Computer Screen Problems - IBM ThinkPad® T40 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 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:
Open the Display Properties window.
1. 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 "ATI Mobility RADEON xxxxx", "ATI Mobility FIRE GL
xxxxx" or "Intel xxxxx" is shown in the adapter information window.
Note: The device driver name xxxxx depends on the video chip that
scheme, press Fn+F7 at least three times in three seconds, and the
image is displayed on the computer screen.
has been installed on your computer.
Solving computer problems
Chapter 2. Solving computer problems
23