Lenovo ThinkPad i Series 1157 ThinkPad 570 User's Reference - Page 193

LCD problems, Problem, Cause and action, For Windows 98, Start, Settings, Control Panel, Display

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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 these settings, do as follows: For Windows 98: 1. Click Start. 2. Move the cursor to Settings and Control Panel. 3. Click Control Panel, and then double-click Display. 4. Click the Settings tab. 5. Check if the color depth and resolution are correctly set. 6. Click Advanced... 7. Click the Adapter tab. Make sure "NeoMagic MagicMedia 256AV" is shown in the adapter information window. 8. Click the Monitor tab. Make sure the information is correct. For Windows NT: 1. Click Start. 2. Move the cursor to Settings and Control Panel. 3. Click Control Panel, and then double-click Display. 4. Click the Settings tab. 5. Check if the color depth and resolution are correctly set. 6. Click Display Type... Make sure "NeoMagic MagicMedia 256AV" is shown in the "Display Type" window. 7. Click OK. 8. Click the Test button in the "Settings" window. Make sure the output is displayed correctly. 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 177

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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 these settings, do as follows:
For Windows 98:
1. Click
Start
.
2. Move the cursor to
Settings
and
Control Panel
.
3. Click
Control Panel
, and then double-click
Display
.
4. Click the
Settings
tab.
5. Check if the color depth and resolution are correctly set.
6. Click
Advanced...
7. Click the
Adapter
tab.
Make sure “NeoMagic MagicMedia 256AV” is shown in the adapter
information window.
8. Click the
Monitor
tab.
Make sure the information is correct.
For Windows NT:
1. Click
Start
.
2. Move the cursor to
Settings
and
Control Panel
.
3. Click
Control Panel
, and then double-click
Display
.
4. Click the
Settings
tab.
5. Check if the color depth and resolution are correctly set.
6. Click
Display Type...
Make sure “NeoMagic MagicMedia 256AV” is shown in the “Display
Type” window.
7. Click
OK
.
8. Click the
Test
button in the “Settings” window.
Make sure the output is displayed correctly.
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
177