Lenovo ThinkPad 770 TP 770X User's Reference that shipped with the system - Page 159

LCD Problems, Problem, Cause and Action, Start, Settings, Control Panel, Display, Adapter, Monitor

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Troubleshooting Charts LCD Problems Problem The screen is unreadable or distorted. Incorrect characters appear on the screen. The screen stays on even after you power off your computer. Missing, discolored, or bright dots appear on the screen every time you power on your computer. Cause and Action Make sure that: The display device driver is installed correctly. The display resolution and color depth are correctly set. The monitor type is correct. To check under Windows 98, do as follows: 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. 5. Check if the color depth and resolution are correctly set. 6. Click on Advanced.... 7. Select the Adapter tab. Make sure it shows "IBM ThinkPad (Cyber 9397 DVD)." 8. Select the Monitor tab. Make sure the information is correct. Did you install the operating system or application program correctly? If they are installed and configured correctly, have the computer serviced. Press the reset switch with the tip of a pen and power off your computer; then power it on again. This is an intrinsic characteristic of the TFT technology. Your computer's display contains multiple thin-film transistors (TFTs). A small number of missing, discolored, or bright dots on the screen might exist all the time. Chapter 4. Solving Computer Problems 145

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Troubleshooting Charts
LCD Problems
Problem
Cause and Action
The screen is unreadable
or distorted.
Make sure that:
The display device driver is installed correctly.
The display resolution and color depth are correctly set.
The monitor type is correct.
To check under Windows 98, do as follows:
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.
5. Check if the color depth and resolution are correctly set.
6. Click on
Advanced...
.
7. Select the
Adapter
tab.
Make sure it shows “IBM ThinkPad (Cyber 9397 DVD).”
8. Select the
Monitor
tab.
Make sure the information is correct.
Incorrect characters
appear on the screen.
Did you install the operating system or application program correctly?
If they are installed and configured correctly, have the computer serviced.
The screen stays on even
after you power off your
computer.
Press the reset switch with the tip of a pen and power off your computer; then
power it on again.
Missing, discolored, or
bright dots appear on the
screen every time you
power on your computer.
This is an intrinsic characteristic of the TFT technology.
Your computer's display
contains multiple thin-film transistors (TFTs).
A small number of missing,
discolored, or bright dots on the screen might exist all the time.
Chapter 4.
Solving Computer Problems
145