![background image](http://html2.mh-extra.com/html/ibm/thinkpad-x20/thinkpad-x20_supplementary-manual_3276694033.webp)
2.
Check if the color depth and resolution are correctly set
3.
Click
Display Type...
4.
Make sure “ATI Mobility Radeon” is shown in the Display Type window.
5.
Click
OK
.
6.
Click the
Test
button in the Settings window.
7.
Make sure the output is displayed correctly.
Problem:
Incorrect characters appear on the screen.
Solution:
Did you install the operating system or application program
correctly? If they are installed and configured correctly, have the computer
serviced.
Problem:
The screen stays on even after you turn off your computer.
Solution:
Press and hold the power switch for 4 seconds or more to turn off
your computer; then turn it on again.
Problem:
Missing, discolored, or bright dots appear on the screen every time
you turn on your computer.
Solution:
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.
Battery problems
Problem:
The battery cannot be fully charged by the power-off method in the
standard charge time for your computer.
Solution:
The battery might be over-discharged. Do the following:
1.
Turn off the computer.
2.
Make sure that the over-discharged battery is in the computer.
3.
Connect the ac adapter to the computer and let it charge.
If the battery cannot be fully charged in 24 hours, use a new battery.
If the optional Quick Charger is available, use it to charge the over-discharged
battery.
Problem:
Your computer shuts down before the battery status indicator shows
empty,
-or-
Your computer operates after the battery status indicator shows
empty.
Solving computer problems
Chapter 2. Solving computer problems
23
Содержание ThinkPad X20
Страница 1: ...ThinkPad X Series Service and Troubleshooting Guide...
Страница 4: ...iv ThinkPad X Series Service and Troubleshooting Guide...
Страница 10: ...x ThinkPad X Series Service and Troubleshooting Guide...
Страница 18: ...Caring for your ThinkPad computer 8 ThinkPad X Series Service and Troubleshooting Guide...
Страница 46: ...Install a memory module 36 ThinkPad X Series Service and Troubleshooting Guide...
Страница 58: ...48 ThinkPad X Series Service and Troubleshooting Guide...
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Страница 91: ...Appendix D Wireless Regulatory information 81...
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