Lenovo ThinkPad X30 English - Service and Troubleshooting Guide for ThinkPad X - Page 35

Monitor, For Windows NT, Display, Settings, Display Type, Problem, Solution

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Solving computer problems 10. Click the Monitor tab. 11. Make sure the Monitor type is correct. For Windows NT: 1. Double-click Display in the Control Panel. The Display Properties window opens. 2. Click the Settings tab. 3. Check if the screen resolution and color quality are correctly set. 4. Click Display Type. 5. Make sure "Intel 82830M Graphic Controller" is shown in the Display Type window. 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. Chapter 2. Solving computer problems 23

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10.
Click the
Monitor
tab.
11.
Make sure the Monitor type is correct.
For Windows NT:
1.
Double-click
Display
in the Control Panel. The Display Properties window
opens.
2.
Click the
Settings
tab.
3.
Check if the screen resolution and color quality are correctly set.
4.
Click
Display Type
.
5.
Make sure “Intel 82830M Graphic Controller” is shown in the Display
Type window.
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.
Solving computer problems
Chapter 2. Solving computer problems
23