IBM ThinkPad 92P1559, Service And Troubleshooting Manual, Page: 32 / 96

5.
Click the
Adapter
tab.
6. Make sure “Intel
®
82852/82855 GM/GME Graphics Controller –0” is
shown in the window.
7.
Click the
Monitor
tab.
8. Make sure the information is correct.
Problem: Incorrect characters appear on the screen.
Solution: Did you install the operating system or application program
correctly? If they are installed and configured correctly, have the computer
serviced.
Problem:
The screen stays on even after you turn off your computer.
Solution: Press and hold the power switch for 4 seconds or more to turn off
your computer; then turn it on again.
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.
v
If you are using the Rotation function in the Rotation tab of the “Intel(R)
82852/82855 GM/GME Graphics Controller Properties” window, set it to
Normal.
v
Attach the ac adapter.
v
Close programs not being used.
Solving computer problems
22
ThinkPad
®
G40 Series Service and Troubleshooting Guide