Lenovo ThinkPad 390E User's Reference for ThinkPad 390 - Page 118

LCD Problems, Problem, Action, Start, Settings, Control, Panel, Display, Adapter, Advanced Properties

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Troubleshooting Charts LCD Problems Problem The screen is unreadable or distorted. Action 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 display driver information is correct. The refresh rate setting is set to your display resolution and color depth by doing the following: 1. Start the ThinkPad Configuration program. Incorrect characters appear on the screen. The screen stays on even after you power off the computer. Missing, discolored, or bright dots appear on the screen everytime you power on your computer (TFT display model.) 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. Did you install the operating system or application program with the correct procedure? If they are installed and configured correctly, have the computer serviced. Push and hold the power switch for about five seconds; then release it to turn off your computer. Turn it on again. This is a characteristic of TFT technology. Your computer display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time. 102 ThinkPad 390 User's Reference

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Troubleshooting Charts
LCD Problems
Problem
Action
The screen is unread-
able or distorted.
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 display driver information
is correct.
±
The refresh rate setting is set to your display resolution and color depth by
doing the following:
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.
Incorrect characters
appear on the screen.
Did you install the operating system or application program with the correct proce-
dure?
If they are installed and configured correctly, have the computer serviced.
The screen stays on
even after you power off
the computer.
Push and hold the power switch for about five seconds; then release it to turn off
your computer. Turn it on again.
Missing, discolored, or
bright dots appear on
the screen everytime
you power on your com-
puter (TFT display
model.)
This is a characteristic of TFT technology. Your computer display contains multiple
thin-film transistors (TFTs). A small number of missing, discolored, or bright dots
on the screen might exist all the time.
102
ThinkPad 390 User's Reference