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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:
v If you are using 32-bit color mode, change the color depth to 16-bit mode.
v If you are using a desktop size of 1280×1024 or larger, reduce the desktop size and the
color depth.
Battery problems
Problem: The battery cannot be fully charged by the power-off method in the standard charge
time for your computer.
Solution: For details, see the Battery and power category in Troubleshooting under the Problem
solving section in Access Help.
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 the Battery and power category in Troubleshooting under the Problem
solving section in Access Help.
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 the Battery and power category in Troubleshooting under the Problem
solving section in Access Help.
Solving computer problems
22 ThinkPad
®
Z61 Service and Troubleshooting Guide