Lenovo ThinkPad 390X User's Reference for ThinkPad 390 - Page 127

External Monitor Problems, Problem, Action, External Display, Start, Settings, Control, Panel, Display

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Troubleshooting Charts External Monitor Problems Problem The external monitor is blank. You cannot set a higher resolution than the present one on your external monitor. Action Do the following: 1. Connect the external monitor to another computer and make sure it works. 2. Reconnect the external monitor to your computer. 3. Start the ThinkPad Configuration program. 4. Click on External Display ( ) or LCD + External Display ( ) on the toolbar in the ThinkPad Configuration program. If nothing appears on the external monitor, have the computer serviced. Make sure that: The ThinkPad display driver is installed correctly. 1. Click on Start and move the cursor to Settings; then click on Control Panel. 2. Double-click on Display. 3. Select the Settings tab in the "Display Properties" window. 4. (For Windows 98) Click on Advanced...; then click on the Adapter tab. (For Windows 95) Click on Advanced Properties. The "Adapter/Driver Information" window appears.Make sure that the ThinkPad display driver is installed. If you are not sure that the ThinkPad display driver is installed correctly, reinstall it. An appropriate display type or refresh rate is selected. 1. Start the ThinkPad Configuration program. 2. Click on LCD ( ). 3. Click on Properties. 4. Make sure the settings in the "Display Properties" window are correct. 5. Click on OK to close the window. Chapter 4. Solving Computer Problems 111

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Troubleshooting Charts
External Monitor Problems
Problem
Action
The external monitor is
blank.
Do the following:
1. Connect the external monitor to another computer and make sure it works.
2. Reconnect the external monitor to your computer.
3. Start the ThinkPad Configuration program.
4. Click on
External Display
(
) or
LCD + External Display
(
) on
the toolbar in the ThinkPad Configuration program.
If nothing appears on the external monitor, have the computer serviced.
You cannot set a higher
resolution than the
present one on your
external monitor.
Make sure that:
±
The ThinkPad display driver is installed correctly.
1. Click on
Start
and move the cursor to
Settings
; then click on
Control
Panel
.
2. Double-click on
Display
.
3. Select the
Settings
tab in the "Display Properties" window.
4. (For Windows 98) Click on
Advanced...
; then click on the
Adapter
tab.
(For Windows 95) Click on
Advanced Properties
. The "Adapter/Driver
Information" window appears.Make sure that the ThinkPad display driver
is installed.
If you are not sure that the ThinkPad display driver is installed correctly,
reinstall it.
±
An appropriate display type or refresh rate is selected.
1. Start the ThinkPad Configuration program.
2. Click on
LCD
(
).
3. Click on
Properties
.
4. Make sure the settings in the "Display Properties" window are correct.
5. Click on
OK
to close the window.
Chapter 4.
Solving Computer Problems
111