IBM G40 User Manual download pdf (Page 28)

Solution: If the processor reaches a temperature that is too high, the computer

automatically enters standby mode to allow the computer to cool and to

protect the processor and other internal components. Also, check the settings

for standby mode, using Battery MaxiMiser.

Problem: The computer enters standby mode immediately after Power-on

self-test (POST) (the standby indicator light turns on).

Solution: Make sure that:

v The battery is charged.

v The operating temperature is within the acceptable range. Refer to

“Specifications” on page 5.

If these items are correct, have the computer serviced.

Problem: The critical low-battery error message is displayed, and the

computer immediately turns off.

Solution: The battery power is getting low. Connect the ac adapter to the

computer, or replace the battery with a fully charged one.

Problem: When you take action to return from standby mode, the computer

display remains blank.

Solution: Check whether an external monitor was disconnected while the

computer was in standby mode. Do not disconnect the external monitor while

the computer is in standby mode or hibernation mode. If no external monitor

is attached when the computer resumes, the computer display remains blank

and output is not displayed. This restriction does not depend on the

resolution value. Press Fn+F7 to bring up the computer display.

Problem: The computer does not return from standby mode, or the standby

indicator stays on and the computer does not work.

Solution: If the system does not return from standby mode, it may have

entered standby or hibernation mode automatically because the battery is

depleted. Check the standby indicator.

v If the standby indicator is on, your computer is in standby mode. Connect

the ac adapter to the computer; then press Fn.

v If the standby indicator is off, your computer is in hibernation mode or

power-off state. Connect the ac adapter to the computer; then press power

button to resume operation.

If the system still does not return from standby mode, your system may stop

responding and you cannot turn off the computer. In this case, you need to

Solving computer problems

ThinkPad

G40 Series Service and Troubleshooting Guide

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 95 96

No comments

IBM G40 User Manual Page 28