Lenovo ThinkPad X23 English - ThinkPad X23 Service and Troubleshooting guide - Page 33

Battery problems

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Solving computer problems 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. Chapter 2. Solving computer problems 23

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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