Solving Computer Problems
Chapter 4. Solving computer problems
43
Battery Problems
Problem: Missing, discolored, or bright dots appear on the screen every
time you turn on your computer.
Solution: This is an intrinsic characteristic of the TFT technology. Your
computer’s display contains multiple thin-film transistors
(TFTs). A small number of missing, discolored, or bright dots on
the screen might exist all the time.
Problem: A message, “Unable to create overlay window,” appears when
you try to start DVD playback.
-or-
You get poor or no playback while running video playback,
DVD playback, or game applications.
Solution: Do either of the following:
• If you are using 32-bit color mode, change the color depth to
16-bit mode.
• If you are using a desktop size of 1280×1024 or larger, reduce
the desktop size and the color depth.
Problem: The battery cannot be fully charged by the power-off method in
the standard charge time for your computer.
Solution: For details, see “Checking Battery Status” in Chapter 3.
Problem: Your computer shuts down before the battery status indicator
shows empty,
-or-
Your computer operates after the battery status indicator shows
empty.
Solution: Discharge and recharge the battery.
Problem: The operating time for a fully charged battery is short.
Solution: For details, see “Handling the Battery” in Chapter 3.
Problem: The computer does not operate with a fully charged battery.
Solution: 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.
Problem: The battery does not charge.
Solution: For details, see “Handling the Battery” in Chapter 3.
Lenovo EVEREST UG.book Page 43 Friday, August 17, 2007 5:40 PM
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