IBM G40 manual Battery problems

Solving computer problems

6.Make sure “Intel® 82852/82855 GM/GME Chip” or “NVIDIA GeForce FX Go5200” is shown in the Adapter information window.

7.Click the Monitor tab.

8.Make sure the information is correct.

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.

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: Do either of the following:

vIf you are using 32-bit color mode, change the color depth to 16-bit mode.

vIf you are using a desktop size of 1280×1024 or larger, reduce the desktop size and the color depth.

vAttach the ac adapter.

vClose programs not being used.

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.

24ThinkPad® G40 Series Service and Troubleshooting Guide