IBM ThinkPad R40 series Service Manual page 33

3. Check if the color depth and resolution are correctly set.
4. Click Advanced.
5. Click the Adapter tab.
6. Make sure "ATI Mobility RADEON" or "ATI Mobility RADEON 7500" is
shown in the adapter information window.
7. Click the Monitor tab.
8. Make sure the Monitor type is correct.
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 whether the color depth and resolution are correctly set.
7. Click Advanced.
8. Click the Adapter tab.
9. Make sure "ATI Mobility RADEON" or "ATI Mobility RADEON 7500" is
shown in the adapter information window.
10. Click the Monitor tab.
11. Make sure the Monitor type 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.
Solving computer problems
Chapter 2. Solving computer problems
21