Lenovo T40 manual Battery problems

Solving computer problems

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.

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 optional Quick Charger is available, use it to charge the over-discharged battery.

If the battery cannot be fully charged in 24 hours, use a new battery.

Problem:

Your computer shuts down before the battery status indicator shows empty.

or

Your computer operates after the battery status indicator shows empty.

Solution:

Discharge and recharge the battery.

Problem:

The operating time for a fully charged battery is short.

Solution:

Discharge and recharge the battery. If your battery’s operating time is still short, use a new battery.

Chapter 2. Solving computer problems 27