Computer Screen Problems - IBM ThinkPad X40 Series Service And Troubleshooting Manual

Solution:
Windows XP enables multiple users to log on to the system at the same
time. If you are the first user to have logged on to your computer, you can
use the Fn+F3 key combination. Otherwise the combination will not work
on your computer.

Computer screen problems

Problem:
The screen is blank.
Solution:
v Press Fn+F7 to bring up the image.
Note: If you use the Fn+F7 key combination to apply a presentation
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 If the standby status indicator is on (is green), press Fn to resume from
the standby mode.
v If you still have 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 screen resolution and color quality are correctly set.
v The monitor type is correct.
To check these settings, do as follows:
For Windows XP and Windows 2000:
1. Right-click on the desktop, click Properties, then click the Settings tab.
2. Check whether the screen resolution and color quality are correctly set.
3. Click Advanced.
4. Click the Adapter tab.
5. Make sure "Intel(R) 82852/82855 GM/GME Graphics Controller" is
shown in the adapter information window.
6. Click the Properties button. Check the "Device status" box and make
sure the device is working properly. If not, click the Troubleshooter
button.
7. Click the Monitor tab.
8. Make sure the information is correct.
scheme, press Fn+F7 at least three times in three seconds, and the
image is displayed on the computer screen.
Solving computer problems
Chapter 2. Solving computer problems
23