Lenovo ThinkPad 240Z ThinkPad 240 User's Reference that shipped with the syste - Page 116

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 External Display or LCD + External Display the ThinkPad Configuration program. on the toolbar in 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. 104 ThinkPad 240 User's Reference

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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.
104
ThinkPad 240 User's Reference