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Chapter 5. Troubleshooting
Computer screen problems
The screen is blank. Do the following:
- If you are using the AC adapter, or using the battery, and
the battery status indicator is on, press to make the
screen brighter.
- If the power indicator is in blinking, press the power
button to resume from the sleep mode.
- If the problem persist, follow the solution in the following
problem “The screen is unreadable or distorted.”
The screen is unreadable or
distorted.
Make sure that:
- The display device driver is installed correctly.
- The screen resolution and color quality are correctly set.
- The monitor type is correct.
Incorrect characters appear on
the screen.
Did you install the operating system or programs correctly?
If they are installed and configured correctly, have the
computer serviced.
Sound problems
No sound can be heard from
the speaker even when the vol-
ume is turned up.
Make sure that:
- The Mute function is off.
- The headphone jack is not used.
- Speakers are selected as the playback device.
Battery problems
Your computer shuts down
before the battery status
indicator shows empty.
-or-
Your computer operates after
the battery status indicator
shows empty.
Discharge and recharge the battery.
The operating time for a fully
charged battery is short.
For details, see “Handling the battery” in Chapter 2.
The computer does not operate
with a fully charged battery.
The surge protector in the battery might be active. Turn off
the computer for one minute to reset the protector; then turn
on the computer again.
The battery does not charge. For details, see “Handling the battery” in Chapter 2.
38


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