Lenovo ThinkPad 390X User's Reference: ThinkPad 390X - Page 141

External Monitor Problems

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Troubleshooting Charts External Monitor Problems Problem The external monitor is blank. 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. You cannot set a higher resolution than the present one on your external monitor. 4. Click External Display ( ) or LCD + External Display ( toolbar in the ThinkPad Configuration program. ) on the If nothing appears on the external monitor, have the computer serviced. Make sure that: The ThinkPad display driver is installed correctly. 1. Click Start and move the cursor to Settings; then click Control Panel. 2. Double-click Display. 3. Select the Settings tab in the "Display Properties" window. 4. (For Windows 98) Click Advanced...; then click the Adapter tab. (For Windows 95) Click 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 LCD ( ). 3. Click Properties. 4. Make sure the settings in the "Display Properties" window are correct. 5. Click OK to close the window. Solving Computer Problems 125

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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
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
Start
and move the cursor to
Settings
; then click
Control Panel
.
2. Double-click
Display
.
3. Select the
Settings
tab in the "Display Properties" window.
4. (For Windows 98) Click
Advanced...
; then click the
Adapter
tab.
(For Windows 95) Click
Advanced Properties
. The "Adapter/Driver Infor-
mation" 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
LCD
(
).
3. Click
Properties
.
4. Make sure the settings in the "Display Properties" window are correct.
5. Click
OK
to close the window.
Solving Computer Problems
125