HASEE COMPUTER E486 Laptop Computer User Manual

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Ha see
E486
Laptop Computer
Ha see
Contents
Taking Care of your Notebook PC ..........................................................................................3
Chapter 1 .................................................................................................................................5
Introducing the Notebook PC ............................................................................................5
Components ......................................................................................................................5
Top Components ...............................................................................................................6
Chapter 2 ............................................................................................................................... 12
Preparing your Notebook PC ........................................................................................... 12
Installing Battery Pack ..................................................................................................... 12
Connecting the Power Adapter ......................................................................................... 13
Opening the Display Panel................................................................................................ 14
Turning on the Computer ................................................................................................. 15
Chapter 3 ............................................................................................................................... 16
Using the Notebook PC .................................................................................................... 16
Touchpad ........................................................................................................................ 16
Keyboard ........................................................................................................................ 17
Power Sources................................................................................................................. 19
Standby and hibernation .................................................................................................. 21
Drives ............................................................................................................................. 24
External Devices .............................................................................................................. 27
Wireless LAN ................................................................................................................... 28
Connecting to a WLAN ..................................................................................................... 29
Local area networks ......................................................................................................... 29
Chapter 4 ............................................................................................................................... 31
Routine Care ..................................................................................................................... 31
Hardware Maintenance .................................................................................................... 31
Chapter 5 ............................................................................................................................... 36
Troubleshooting................................................................................................................ 36
The computer will not start up. ......................................................................................... 36
The computer screen is blank. .......................................................................................... 37
The software is functioning abnormally. ............................................................................ 37
The computer is turned on, but is not responding. ............................................................. 38
The computer is extremely warm...................................................................................... 38
An external device is not working. .................................................................................... 39
The computer cannot connect to a wireless local area network (WLAN). ............................. 39
Taking Care of your Notebook PC
To prevent possible overheating of the
computer's processor, make sure you don't
block the openings provided for ventilation.
DO NOT press or touch the display panel.
DO NOT place on uneven or unstable work
surfaces.
DO NOT use your notebook under harsh
conditions.
DO NOT place or drop objects on the
computer and DO NOT apply heavy pressure
on it.
DO NOT subject the computer to magnetic
fields.
DO NOT expose to direct sunlight.
DO NOT use in extreme temperatures.
Avoid sudden changes in temperature or
humidity by keeping it away from A/C and
heating vents.
DO NOT expose the computer to rain or
moisture.
DO NOT place near fire or other sources of
heat.
DO NOT tamper with the batteries. Keep them
away from children.
DO NOT slam your notebook shut and never
pick up or hold your notebook by the display
DO NOT expose to dust and/or corrosive
chemicals.
DO NOT spray water or any other cleaning
fluids directly on the display.
If you are traveling with your computer,
remember to carry it as hand luggage. Do not
check it in as baggage.
Chapter 1
Introducing the Notebook PC
Com ponents
This chapter explains the hardware features of the computer. To see a
list of installed hardware in the computer:
1. Select Start > Settings > System > About.
2. In the right pane of the window, select Device Manager.
You can also add hardware or modify device configurations using Device
Manager.
Top Com ponents
Keys
Com ponents
Description
1. esc key
Displays system information when pressed in combination
with the fn key
2. Function key
Execute frequently used system functions when pressed in
combination with the fn key.
3. Embedded numeric keypad
keys
Can be used like the keys on an external numeric keypad.
4. Windows applications key
Displays a shortcut menu for items beneath the pointer
5. Windows logo key
Displays the Microsoft Windows Start menu.
6. fn key
Executes frequently used system functions when pressed in
combination with a function key or the esc key.
TouchPad
Com ponents
Description
1. TouchPad
2. Right TouchPad button
Moves the pointer and selects or activates items on the
screen. Can be set to perform other mouse functions, such
as scrolling, selecting, and double clicking.
Functions like the right button on an external mouse.
3. Left TouchPad button
Functions like the left button on an external mouse.
*This table describes default settings. To view and change TouchPad
preferences, select Start > Settings > Devices > Mouse and
Touchpad > Additional Mouse Options.
Front components
Com ponents
Description
1. Memory Card Slot
Supports 7 optional digital card formats
2. Vent
Provides airflow to cool internal components.
CAUTI ON : To prevent overheating, do not obstruct vents. Use the
computer only on a hard, flat surface. Do not allow another hard surface,
such as an adjoining optional printer, or a soft surface, such as pillows or
thick rugs or clothing, to block airflow.
N OTE: The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the internal fan to
cycle on and off during routine operation.
Right Components
Com ponents
Description
1. Audio-out (headphone) jack
Produces system sound when connected to optional powered
stereo speakers, headphones, ear buds, a headset, or
television audio.
Connects an optional computer headset microphone or a
microphone.
2. Audio-in (microphone) jack
3. USB 2.0 ports
Connects an optional USB device.
4. Optical drive
Reads an optical disc.
Left Components
Com ponents
Description
1. Security cable slot
Attaches an optional security cable to the computer.
2. Power connector
Connects an AC adapter or an optional power adapter.
NOTE: The security cable is designed to act as a deterrent,
but may not prevent the computer from being mishandled or
stolen.
3. Vent
Provides airflow to cool internal components.
4. External VGA port
Connects an external monitor.
5. RJ-45 (network) jack
Connects a network cable.
6. HDMI Port
Connects an external monitor.
7. USB 3.0 Port
USB 3.0 adds the new transfer rate referred to as
SuperSpeed USB (SS) that can transfer data at up to 5 Gbit/s
(625 MB/s), which is about ten times as fast as the USB 2.0
standard
10
Additional Hardware Components
Com ponents
Description
1. Battery Pack
Powers the computer when the computer is not connected to
external power.
2. AC adapter
Converts AC power to DC power.
3. Power cord
Connects an AC adapter to an AC outlet.
11
Chapter 2
Preparing your Notebook PC
These are only quick instructions for using your notebook PC.
I nstalling Battery P ack
12
Connecting the P ow er Adapter
13
Opening the Display P anel
1. Carefully lift up the display panel with your thumb.
2. Slowly tilt the display panel forward or backward to a comfortable
viewing angle.
14
Turning on the Com puter
1. Push and release the power button located beneath the display
panel.
15
Chapter 3
Using the Notebook PC
Touchpad
Using the Touchpad
To move the pointer, slide your finger across the Touchpad surface
in the direction you want the pointer to go. Use the left and right Touchpad
buttons as you would the left and right buttons on an external mouse. To
scroll up and down using the Touchpad scroll zone, slide your finger up or
down over the grooved lines on the Touchpad.
Using an external mouse
An external USB mouse can be connected to the computer using
one of the USB ports on the computer. A USB mouse can also be connected
to the system using the connectors on an optional expansion product.
Setting Touchpad preferences
Mouse Properties in Microsoft® Windows® allows you to customize settings
for pointing devices, including
•
Touchpad tapping, which enables you to tap the Touchpad once to
select an object or twice to double-click an object (enabled by
default).
16
•
•
Edge motion, which enables you to continue to scroll even though
your finger has reached the edge of the Touchpad (disabled by
default).
Button preference, which allows you to switch between left-hand
and right-hand use (right-hand preference is enabled by default).
Other features, such as mouse speed preferences and mouse trails, are
also found in Mouse Properties.
To access Mouse Properties, select Start > Settings > Devices >
Mouse and Touchpad.
K eyboard
The following sections provide information on the keyboard features
of the notebook.
Hotkeys
Hotkeys are combinations of the fn key (1) and either the esc key
(2) or one of the function keys (3). The icons on the f1 through f12 keys
represent the hotkey functions. Hotkey functions and procedures are
discussed in the following sections.
Com ponents
Description
1. fn + F1
Places the notebook in Suspend mode. Pressing the Power
button returns it to active mode.
2. fn + F2
Enables or disables the wireless network connection and
Bluetooth.
3. fn + F3
Allows you to change your selection of where to send your
display video. Each time you press the combination of keys
you will step to the next choice. The choices, in order, are:
built-in display panel only, both built-in display panel and
external monitor, or external monitor only.
Decreases the screen Brightness.
4. fn + F4
17
5. fn + F5
Increases the screen Brightness.
6. fn + F6
Enables or disables the touchpad.
7. fn + F7
Mutes the computer's volume.
8. fn + F8
Decreases the computer's volume.
9. fn + F9
Increases the computer's volume.
10. fn + F10
Enables or disables display panel.
11. fn + F11
Enables or disables the built-in camera.
12. fn + F2
Enables or disables the 3G network connection.
Hotkey procedures
To use a hotkey command on the computer keyboard, either
•
•
Briefly press the fn key, and then briefly press the second key of the
hotkey command or,
Press and hold down the fn key, briefly press the second key of the
hotkey command, and then release both keys at the same time.
Keypad
The computer has an embedded numeric keypad and also supports
an optional external numeric keypad or an optional external keyboard that
includes a numeric keypad.
Using the embedded numeric keypad
The 15 keys of the embedded numeric keypad can be used like the
keys on an external keypad. When the embedded numeric keypad is turned
on, each key on the keypad performs the function indicated by the icon in
the upper-right corner of the key. Enabling and disabling the embedded
numeric keypad Press num lk to enable the embedded numeric keypad.
The num lock light is turned on. Press num lk again to return the keys to
their standard keyboard functions.
18
P ow er Sources
Your computer has two types of power sources: a Lithium-Ion
battery or an AC adapter.
CONNECTING THE POWER ADAPTERS
The AC adapter provides power for operating your notebook PC and
charging the battery.
Connecting the AC Adapter
1. Plug the DC output cable into the DC power jack of your notebook
PC.
2. Plug the AC adapter into an AC electrical outlet.
Switching from AC Adapter Power to Battery
Power
1. Be sure that you have at least one charged battery installed.
2. Remove the AC adapter. Your notebook will automatically switch
from DC power to battery power.
N ote: The Lithium-Ion battery is not charged upon purchase. Initially, you
will need to connect the AC adapter to use your notebook PC.
19
RECHARGING THE BATTERY
The Lithium-Ion battery is recharged internally using the AC adapter. To
recharge the battery, make sure the battery is installed and the computer is
connected to the AC adapter. There is no "memory effect" in Lithium-Ion
batteries; therefore, you do not need to discharge the battery completely
before recharging. The charge times will be significantly longer if your
notebook PC is in use while the battery is charging. If you want to charge
the battery more quickly, put your computer into Suspend mode or turn it
off while the adapter is charging the battery.
Low Battery State
When the battery charge is low, a notification message appears. If you do
not respond to the low battery message, the battery continues to discharge
until it is too low to operate. When this happens, your notebook PC goes
into Suspend mode. There is no guarantee your data will be saved once the
notebook reaches this point.
Caution: To protect your notebook from damage, use only the power
adapter that came with it because each power adapter has its own power
output rating.
Once your notebook PC goes into Suspend mode as a result of a
dead battery, you will be unable to resume operation until you provide a
source of power either from an adapter or a charged battery. Once you
have provided power, you can press the Suspend/ Resume button to
resume operation. In Suspend mode, your data is maintained for some
time, but if a power source is not provided promptly, the Power indicator
stops flashing and then goes out, in which case you have lost the data that
was not saved. Once you provide power, you can continue to use your
computer while an adapter charges the battery.
20
Battery Replacement
There is danger of explosion if an incorrect battery type is used for
replacement. For computers equipped with a replaceable lithium-ion battery
pack, the following applies:
•
•
If the battery is placed in an OPERATOR ACCESS AREA, there shall
be a marking close to the battery, or a statement in both the
operating and the servicing instructions;
If the battery is placed elsewhere in the computer, there shall be a
marking close to the battery or a statement in the servicing
instructions. The marking or statement shall include the following or
similar text:
Caution: Risk of explosion if battery is replaced with an incorrect type.
Dispose of used batteries according to the instructions.
Standby and hibernation
Standby and hibernation are energy-saving features that conserve
power and reduce startup time. They can be initiated by you or by the
system. For more information, refer to "Initiating standby, hibernation or
shutdown."
Standby
CAUTI ON : To avoid a complete battery discharge, do not leave the
computer in standby for extended periods. Connect the computer to an
external power source.
Standby reduces power to system components that are not in use.
When standby is initiated, your work is stored in random access memory
(RAM), and then the screen is cleared. When the computer is in standby,
21
the power lights blink. When you resume from standby, your work returns
to the screen where you left off.
CAUTI ON : To reduce the risk of information loss, save your work before
initiating standby.
Hibernation
CAUTI ON : If the configuration of the computer is changed during
hibernation, resuming from hibernation may not be possible. When the
computer is in hibernation: Do not connect the computer to or disconnect
the computer from an expansion product. Do not add or remove memory
modules. Do not insert or remove any hard drives or optical drives. Do not
connect or disconnect external devices. Do not insert or remove an external
media card, such as a MultiMediaCard.
Hibernation saves your work to a hibernation file on the hard drive,
and then shuts down the computer. The power lights are turned off. When
you restore from hibernation, your work returns to the screen where you
left off. If a power-on password has been set, the password must be
entered to restore from hibernation.
CAUTI ON : To reduce the risk of information loss, save your work before
initiating hibernation.
You can disable hibernation. However, if hibernation is disabled and
the system reaches a lowbattery condition, the system will not automatically
save your work while power is on or when standby has been initiated.
Initiating standby, hibernation or shutdown
The following sections explain when to initiate standby or
hibernation and when to shut down the computer.
22
N OTE: You cannot initiate any type of networking communications or
perform any computer functions while the computer is in standby or
hibernation.
When you leave your work
When standby is initiated, your work is stored in random access
memory (RAM), and then the screen is cleared. When the computer is in
standby, it uses less power than when it is on. Your work returns instantly
to the screen when you resume from standby. Hibernation saves your work
to a hibernation file on the hard drive, and then shuts down the computer.
When the computer is in hibernation, it uses much less power than
when it is in standby. When the computer will be unused and disconnected
from external power for an extended period, shut down the computer and
remove the battery pack to extend the life of the battery pack. For details
on battery pack storage, refer to "Storing a battery pack."
When a reliable power supply is unavailable
Be sure that hibernation remains enabled, especially if you are
operating the computer on battery power and do not have access to an
external power supply. If the battery pack fails, hibernation saves your work
to a hibernation file and shuts down the computer. It is recommended that
if you pause your work when the power supply is uncertain, you take one of
the following actions:
•
•
•
Save your work, and then initiate standby.
Initiate hibernation.
Shut down the computer.
23
Drives
Optical drives
An optical drive, such as a DVD-ROM drive, supports optical discs
(CDs and DVDs). These discs are used to store or transport data and to play
music and movies. DVDs have a higher capacity than CDs. The computer
can read or write to optical drives as described in the following table.
I f your drive has this
logo…
This is your
drive type…
Use your drive for…
CD drive
Installing programs, playing audio CDs,
and accessing data.
CD-RW drive
Installing programs, playing audio CDs,
accessing data, and creating CDs.
DVD/CD-RW
drive
Installing programs, playing audio CDs,
accessing data, creating CDs, and
playing DVDs.
DVD drive
Installing programs, playing audio CDs,
playing DVDs, and accessing data.
Installing programs, playing audio CDs,
playing DVDs, accessing data, and
recording video and data to DVD+R or
DVD+RW discs.
Installing programs, playing audio CDs,
playing DVDs, accessing data, and
recording video and data to DVD+R,
DVD+RW, DVD-R, and DVD-RW discs.
DVD+RW
DVD R/RW
drive
24
Dual layer
DVD+RW
Installing programs, playing audio CDs,
playing DVDs, accessing data, and
recording video and data to double layer
DVD+R discs. Note: To use the double
layer capability of the double layer
recordable DVD drive, the blank DVDs
you purchase must state Double Layer,
Dual Layer, or DL. Using other types of
blank media will result in less capacity.
Inserting a CD or DVD
Inserting an optical disc
1. Turn on the computer.
2. Press the release button (1) on the drive bezel to release the media
tray.
3. Pull out the tray (2).
4. Hold the CD or DVD by the edges to avoid touching the flat
surfaces, and position the disc over the tray spindle, with the labelside up. NOTE If the tray is not fully accessible, tilt the disc carefully
to position it over the spindle.
5. Gently press the disc (3) down onto the tray spindle until the disc
snaps into place.
25
6. Close the media tray.
N OTE: After you insert a disc, a short pause is normal. If you have not
selected a default media player, an AutoPlay dialog box opens. It
prompts you to select how you want to use the media content.
Playing a CD
Use the music program or Windows Media Player on your computer to:
•
•
•
•
•
Play music CDs
Create MP3 music files from your music CDs
Edit music track information
Use your music files to build a music library
Listen to Internet Radio
Playing a DVD
A Digital Versatile Disc (DVD) is similar to a standard CD but has
greater data capacity. Because of this increased capacity, full-length movies,
several albums of music, or several gigabytes of data can fit on a single
disc. You can play DVDs with the DVD program or Windows Media Player on
your computer.
Creating CDs or DVDs
You can use the CD or DVD burning program on your computer to copy
tracks from a music CD to your hard drive, copy or create data CDs and
DVDs, create music CDs, create video DVDs, and more.
26
External Devices
Using a USB device
Universal Serial Bus (USB) is a hardware interface that can be used
to connect an optional external device, such as a USB keyboard, mouse,
drive, printer, scanner, or hub, to the computer or to an optional expansion
product. A hub provides additional USB ports for the system and can be
connected to the computer or to another hub.
Connecting a USB device
CAUTI ON : To prevent damage to the USB connectors, use minimal force to
connect a USB device.
To connect a USB device to the computer, connect the USB cable of
the device to the USB port. The operating system will issue a sound to
indicate that a device has been connected.
N OTE: The first time you connect a USB device, the "Found New Hardware"
message is displayed in the notification area, at the far right of the taskbar.
Stopping a USB device
CAUTI ON : To prevent loss of information or an unresponsive system, stop
the USB device before removing it.
To stop a USB device:
1. Double-click the Safely Remove Hardware icon in the notification
area, at the far right of the taskbar.
2. Click the USB device listing.
27
N OTE: To display the Safely Remove Hardware icon, click Show
Hidden Icons in the notification area.
3. Click Stop.
Required USB software
Some USB devices may require additional support software, which is
usually included with the device. For more information about device-specific
software, refer to the user guide for the device.
W ireless LAN
Wireless LAN features
A wireless computer includes Wi-Fi or Bluetooth® wireless capability
or both.
These devices differ in the following ways:
•
•
Wireless computer can connect to wireless local area
networks (WLANs) in corporate offices, your home, and
public places such as airports, restaurants, coffee shops,
hotels, and universities. Hotspots are public places where
you can access a wireless network. Contact your Internet
service provider (ISP) or search the Web for a list of
hotspots near you.
A Bluetooth wireless computer can connect to other
Bluetooth wireless-enabled devices such as computers,
phones, printers, headsets, speakers, and cameras.
N OTE: The computer may look different from the illustrations in this guide.
The location and number of buttons, lights, and jacks vary by model.
28
Wireless controls
The wireless button (fn + F2) enables and disables Wi-Fi and
Bluetooth wireless devices, and the wireless light indicates the state of the
wireless devices.
You can enable and disable the wireless devices with the wireless
button. You can also enable and disable the wireless devices in the Setup
Utility.
Connecting to a W LAN
To connect to your WLAN:
1. Be sure that the Wi-Fi device is on. If it is on, the wireless light is
on.
2. Be sure that your router is correctly installed and configured. For
instructions, refer to your router user guide.
3. Use the Wireless Network Connection feature to connect the
computer to the WLAN.
N OTE: Functional range for subsequent WLAN connections will vary,
depending on the computer WLAN implementation, router manufacturer,
and interference from walls and other electronic devices.
Local area netw orks
Connecting to a local area network (LAN) requires an 8-pin, RJ-45
network cable (not included). Orient the circuitry end of the cable toward
the computer.
29
To connect the network cable:
1. Plug the network cable into the network jack on the computer.
2. Plug the other end of the cable into a network router.
30
Chapter 4
Routine Care
Hardw are M aintenance
The computer is designed for durability and long operating life.
Follow the routine care guidelines described in this chapter to extend the
life of the computer and maintain its peak performance.
•
Carry and store the computer in a portable carrying case.
CAUTI ON : To reduce the risk of damage to the display, do not
place anything on top of the computer, even when it is in the
carrying case.
•
Avoid exposing the computer to direct sunlight, extreme
temperatures, or ultraviolet light for extended periods.
CAUTI ON : Do not expose the computer or drives to temperature or
humidity extremes.
•
Keep the computer clean. Dust buildup can raise the temperature of
internal components.
W ARN IN G! To avoid potential discomfort or burns, do not block
the air vents or use the computer on your lap for extended periods.
The computer is designed to run demanding applications at full
power. As a result of increased power consumption, it is normal for
the computer to feel warm or hot when used continuously.
CAUTI ON : To reduce the risk of electric shock or damage to the
computer:
Always disconnect the computer from the AC outlet and disconnect
peripherals from the computer before attempting to clean the
computer or any of its components.
31
Do not spray liquids on the computer keyboard, display, or drives,
or allow liquids to drip onto them.
CAUTI ON : To prevent overheating, do not obstruct vents. Use the
computer only on a hard, flat surface. Do not allow another hard
surface, such as a printer, or a soft surface, such as pillows, thick
rugs, or clothing, to block the airflow.
Battery pack
If a computer will be unused and disconnected from external power
for more than 2 weeks, remove the battery pack and store it separately.
To prolong the charge of a stored battery pack, place it in a cool,
dry place.
Disposing of a used battery pack
W ARN IN G! When a battery pack has reached the end of its useful life, do
not dispose of the battery pack in general household waste. Follow the local
laws and regulations in your area for computer battery pack disposal.
Touchpad and keyboard
Dirt and grease on the Touchpad can cause the pointer to jump
around on the screen. To avoid this, clean the Touchpad with a damp cloth,
and wash your hands frequently when using the computer.
W ARN IN G! To reduce the risk of electric shock or damage to internal
components, do not use a vacuum cleaner attachment to clean the
keyboard. A vacuum cleaner could deposit household debris on the
keyboard surface.
32
Clean the keyboard regularly to prevent keys from sticking and to
remove dust, lint, and particles that can become trapped beneath the keys.
A can of compressed air with a straw extension can be used to blow air
around and under the keys to loosen and remove debris.
Display
To remove smudges and lint, frequently clean the display with a
soft, damp, lint-free cloth. If the screen requires additional cleaning, use
premoistened antistatic wipes or an antistatic screen cleaner.
CAUTI ON : To prevent permanent damage to the computer, never spray
water, cleaning fluids, or chemicals on the display.
Drives
Drives are fragile components that must be handled carefully. Follow the
guidelines in this section to protect the drives.
33
CAUTI ON : To reduce the risk of damage to the computer, damage to a
drive, or loss of information, observe these precautions:
•
•
•
•
•
•
Before handling a drive, discharge static electricity by touching the
unpainted metal surface of the drive.
Do not touch the connector pins on a removable drive or on the
computer.
Handle a drive carefully; do not drop or compress the drive.
Do not use excessive force when inserting a drive into a drive bay.
Do not type on the keyboard or move the computer while the drive
is writing to a medium. The write process is sensitive to vibration.
When the battery pack is the only source of power, ensure that the
battery pack is sufficiently charged before writing to a medium.
Using Disk Defragmenter
As you use the computer, the hard disk files become fragmented.
Disk Defragmenter consolidates the fragmented files and folders on the
hard disk so that it can run more efficiently.
To run Disk Defragmenter:
1. Select Start > Settings > System > About > Additional
Administrative Tools > Defragment and Optimize Drives.
2. Click a volume, and then click Optimize.
For additional information, access the Disk Defragmenter Online Help.
Using Disk Cleanup
Disk Cleanup searches the hard disk for unnecessary files that you
can safely delete to free up disk space and help the computer to run more
efficiently.
34
To run Disk Cleanup:
1. Select Start > Settings > System > About > Additional
Administrative Tools > Disk Cleanup.
2. Follow the instructions on the screen.
Regular tune-ups
To keep the computer hardware and software running like new,
perform these simple tasks periodically.
•
•
•
•
•
•
Install and/or update the antivirus software. Protect against
current security threats to the computer by installing antivirus
software. Keep the antivirus software up to date to protect against
the ongoing threat of new viruses.
Install and update software that detects and removes
spyware. Spyware tools allow you to detect and prevent electronic
encroachment into the computer system by outside parties.
Enable service reminders. Subscriber’s Choice is a free service
that allows you to receive instant e-mail notification about product
updates, software drivers, and creative ideas to help you get more
out of the computer.
Create a backup strategy. A virus or an electrical outage could
damage or destroy your information. Back up your files onto a CDRW, DVD+RW, or USB drive to protect the security of your files.
Create a restore point. In the event of a computer problem,
these benchmarks allow you to go back in time to a point before the
computer encountered a problem.
Create a PC tune-up schedule. Create weekly and monthly
reminders to back up files, update virus software, and perform
hardware and software maintenance.
35
Chapter 5
Troubleshooting
The com puter w ill not start up.
To turn on the computer, press the power button. When the computer is
turned on, the power light is turned on.
If the computer and the power light are not turned on when you press the
power button, adequate power may not be available to the computer.
The suggested actions below may help you determine the reason the
computer will not start up:
•
•
•
If the computer is plugged into an AC outlet, verify that the AC
outlet is providing adequate power by plugging another electrical
device into the outlet.
If the computer is running on battery power or is plugged into an
external power source other than an AC outlet, plug the computer
into an AC outlet using the AC adapter. Make sure the power cord
and AC adapter connections are secure.
If the computer is running on battery power:
o Remove the primary battery pack and travel battery pack (if
applicable) and plug the computer into an AC outlet using
the AC adapter. If the computer starts up, one of the battery
packs may need to be replaced.
o If the battery light on the front of the computer is blinking,
the battery pack has reached a low-battery condition, which
may not allow the computer to start up. Plug the computer
into an AC outlet using the AC adapter to start the computer
and allow the battery to charge.
36
The com puter screen is blank.
If you have not turned off the computer but the screen is blank, the
computer may be in standby or hibernation, may not be set to display the
image on the computer screen, or the display switch may not be functioning
properly.
The suggested actions below may help you determine the reason
the computer screen is blank.
•
•
•
To resume from standby or restore from hibernation, briefly press
the power button.
Standby and hibernation are energy-saving features that can turn
off the display. Standby and hibernation can be initiated by the
system while the computer is in Microsoft® Windows® but is not in
use or has reached a critical low-battery condition. To change these
and other power settings, select Start > Settings > System >
Power and sleep > Additional power settings.
To transfer the image to the computer screen, press fn+f3. On most
models, when an optional external display device, such as a
monitor, is connected to the computer, the image can be displayed
on the computer screen or the external display, or on both devices
simultaneously. When you press fn+f3 repeatedly, the image
alternates among the computer display, one or more external
display devices, and simultaneous displays on all devices.
Press the display switch fn+10.
The softw are is functioning abnorm ally.
If the software becomes unresponsive or responds abnormally:
•
Restart the computer:
o Select Start > Power > Restart. If you cannot restart the
computer using these procedures, refer to the next section,
"The computer is turned on, but is not responding."
37
•
•
•
Run a virus scan.
If the computer feels unusually warm, allow it to cool to room
temperature. For more information about computer overheating,
refer to "The computer is extremely warm." later in this chapter.
If you are using an optional wireless mouse, make sure that the
mouse battery has an adequate charge.
The com puter is turned on, but is not
responding.
If the computer is turned on, but is not responding to software
applications or keyboard commands, try first to shut down the computer
through the operating system by selecting Start > Power > Shutdown.
If the computer remains unresponsive, try the emergency shutdown
procedures in the following sequence:
1. If the computer is in Windows, press ctrl+alt+delete. Then, click
Power button located at lower right of the window pane then click
Shutdown.
2. If you cannot shut down the computer by using ctrl+alt+del,
press and hold the power button for at least 5 seconds.
3. If you are unable to shut down the computer by using the power
button, unplug the computer from external power and remove the
battery pack.
The com puter is extrem ely w arm .
It is normal for the computer to feel warm to the touch while it is in
use. But if the computer feels extremely warm, it may be overheating
because a vent is blocked. If you suspect that the computer is overheating,
allow the computer to cool to room temperature. Then be sure to keep all
vents free from obstructions while you are using the computer.
38
CAUTI ON : To prevent overheating, do not obstruct vents. Use the
computer only on a hard, flat surface. Do not allow another hard surface,
such as a printer, or a soft surface, such as a pillow or a thick rug or
clothing, to block airflow.
An external device is not w orking.
If an external device does not function as expected:
•
•
Turn on the device as instructed in the device user guide. Some
devices, such as monitors and printers, may not be powered by the
computer, and must be turned on before the computer is turned on.
Verify that:
o All device connections are secure.
o The device is receiving electrical power.
o The device, especially if it is an older one, is compatible with
the operating system. For compatibility information, refer to
the Web site of the device manufacturer.
o The correct drivers are installed and updated. Drivers may
be available on a CD included with the device or on the Web
site of the device manufacturer.
The com puter cannot connect to a w ireless
local area netw ork (W LAN ).
If the computer cannot connect to a WLAN:
•
•
•
Verify that the computer is within optimal range of a wireless router
(access point).
Verify that the wireless light on the computer is turned on.
Verify that the computer wireless antennae are free from
obstructions.
39
•
Verify that the wireless router and broadband modem are working
correctly.
40
FCC Caution
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
Any Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement. The device ca
n be used in portable exposure condition without restriction.
Hasee Industrial Park, Ban Xuegang Industrial Area, Longgang District,Shenzhen, P.R.C. Zip: 518112

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