Battery Problems - Lenovo 3000 C100 0761 Supplementary Manual

Solving computer problems
Problem:
The screen stays on even after you turn off your computer.
Solution:
Problem:
Missing, discolored, or bright dots appear on the screen every time you
turn on your computer.
Solution:
Problem:
A message, "Unable to create overlay window," appears when you try to
start DVD playback.
or
You get poor or no playback while running video playback, DVD
playback, or game applications.
Solution

Battery problems

Problem:
The battery cannot be fully charged by the power-off method in the
standard charge time for your computer.
Solution:
18
Lenovo 3000 C100 Service and Troubleshooting Guide
9. Click the Properties button. Check the "Device status" box and
make sure the device is working properly. If not, click the
Troubleshooter button.
→ Press and hold the power switch for 4 seconds or more to turn off
your computer; then turn 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.
→ Do either of the following:
– If you are using 32-bit color mode, change the color depth to 16-bit
mode.
– If you are using a desktop size of 1280×1024 or larger, reduce the
desktop size and the color depth.
→ 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.