Troubleshooting Guide
Problem
Cause and Action
The screen is unreadable
or distorted.
Make sure that:
The display driver is installed correctly by doing the following:
1. Click on Start.
2. Move the cursor to Settings and Control Panel.
3. Click on Control Panel, and then double-click on Display.
4. Select the Settings tab in the “Display Properties” window.
5. (Windows 98) Click on Advanced....
(Windows NT) Click on Display Type....
Make sure that the ThinkPad display driver is installed in the adapter
information window.
The monitor is set correctly by doing the following:
1. Click on the Advanced... button in the Settings tab in the “Display
Properties” window.
2. Click on the Monitor tab.
Make sure you choose the correct monitor.
3. Click on OK to close the window.
An appropriate refresh rate is selected by doing the following:
1. Click on the Advanced... button in the Settings tab in the “Display
Properties” window.
2. Click on the Adapter tab.
3. Select the correct refresh rate for your monitor. If you are not sure,
select Optimal.
If the settings are correct, run the tests described in the manual supplied
with the external monitor. If the tests show that the external monitor is OK,
have the computer serviced.
Wrong characters appear
on the screen.
Did you install the operating system or application program with the correct
procedure?
If you did, have the external monitor serviced.
150
IBM ThinkPad 600E User's Reference