Lenovo S100 manual Troubleshooting Computer screen problems, Sound problems, Battery problems

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 Fn + ↑ 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.”
		- Press Fn + F2 to confirm whether the LCD screen has been
		turned off.
The screen is unreadable or	•	Make sure that:
distorted.		- 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	•	Did you install the operating system or programs correctly?
the screen.		If they are installed and configured correctly, have the
		computer serviced.
Sound problems
No sound can be heard from	•	Make sure that:
the speaker even when the vol-		- The Mute function is off.
ume is turned up.		- The headphone jack is not used.
		- Speakers are selected as the playback device.
Battery problems
Your computer shuts down	•	Discharge and recharge the battery.
before the battery status indica-
tor shows empty.
-or-
Your computer operates after
the battery status indicator
shows empty.
The computer does not operate	•	The surge protector in the battery might be active. Turn off
with a fully charged battery.		the computer for one minute to reset the protector; then turn
		on the computer again.
A hard disk drive problem
The hard disk drive does not	•	In the Boot menu in BIOS setup utility, make sure that the
work.		hard disk drive is included in the Boot priority order
		correctly.

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