IBM ThinkPad G40 Series, Service And Troubleshooting Manual

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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:
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The display device driver is installed correctly.
v
The display resolution and color depth are correctly set.
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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
®
82852/82855 GM/GME Chip” or “NVIDIA GeForce FX
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.
Solving computer problems
Chapter 2. Solving computer problems
23