Lenovo ThinkPad G40 Series Service And Troubleshooting Manual page 46

Solving computer problems
9. Make sure "Intel
10. Click the Monitor tab.
11. Make sure the monitor type is correct.
For Windows 2000:
1. Double-click Display in the Control Panel. The Display Properties window
opens.
2. Click the Settings tab.
3. Check if the Colors and Screen area are correctly set.
4. Click Advanced....
5. Click the Adapter tab.
6. Make sure "Intel
Go5200" is shown in the Adapter information window.
7. Click the Monitor tab.
8. Make sure the information is correct.
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 Attach the ac adapter.
v Close programs not being used.
24
®
ThinkPad G40 Series Service and Troubleshooting Guide
®
82852/82855 GM/GME Chip" or "NVIDIA GeForce FX
Go5200" is shown in the Adapter information window.
®
82852/82855 GM/GME Chip" or "NVIDIA GeForce FX