IBM THINKPAD G40 Series Service And Troubleshooting Manual page 45

v If you are using the ac adapter, or using the battery, and the battery status
indicator is on (is green), press Fn+Home to make the screen brighter.
v Press Fn+F7 to bring up the image.
Note: If you use the Fn+F7 key combination to apply a presentation
scheme, press Fn+F7 at least three times in three seconds, and the
image is displayed on the computer screen.
v If the problem persists, do the "Solution" in the problem below.
Problem: The screen is unreadable or distorted.
Solution: Make sure that:
v The display device driver is installed correctly.
v The display resolution and color depth are correctly set.
v The monitor type is correct.
To check these settings, do as follows:
For Windows XP:
1. Click Start.
2. Click Control Panel.
3. Click Appearance and Themes in the Pick a category section.
4. Click Display in the Pick a Control Panel icon section.
5. Click the Settings tab.
6. Check if the Screen resolution and Color quality are correctly set.
7. Click Advanced.
8. Click the Adapter tab.
9. Make sure "Intel
Go5200" is shown in the Adapter information window.
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.
®
82852/82855 GM/GME Chip" or "NVIDIA GeForce FX
Solving computer problems
Chapter 2. Solving computer problems
23