Lenovo ThinkPad T22 T22 Service and Troubleshooting Guide - Page 26

A power switch problem, Keyboard problems, Standby or hibernation problems - drivers

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Solving computer problems If your mouse is incompatible with the IBM® PS/2® mouse, disable the TrackPoint, using the ThinkPad Configuration Program. Note: For more information, see the manual supplied with the mouse. Problem: The mouse buttons do not work. Solution: Change the mouse driver to Standard PS/2 Port Mouse, and then reinstall IBM PS/2 TrackPoint. Drivers are provided in the C:\IBMTOOLS\DRIVERS directory on your hard disk drive. If your hard disk drive does not contain device drivers, refer to the ThinkPad Service & Support Web site. To access this Web site, open Access ThinkPad by pressing the ThinkPad button, then click the Service & Support image on the right of the screen. Problem: The scrolling or magnifying glass function does not work. Solution: Check the mouse driver in Device Manage window, and make sure that the IBM PS/2 TrackPoint driver is installed. Standby or hibernation problems Problem: The computer enters standby mode automatically. 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. Check the power management settings. Problem: The computer enters standby mode immediately after POST (the standby indicator turns on). Solution: Make sure that: v The battery is charged. v The operating temperature is within the acceptable range. Refer to "Specifications" in this Guide. If these items are correct, have the computer serviced. Problem: A message critical low-battery error appears, 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. 18 ThinkPad® T22 Service and Troubleshooting Guide

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If your mouse is incompatible with the IBM
®
PS/2
®
mouse, disable the
TrackPoint, using the ThinkPad Configuration Program.
Note:
For more information, see the manual supplied with the mouse.
Problem:
The mouse buttons do not work.
Solution:
Change the mouse driver to
Standard PS/2 Port Mouse
, and then
reinstall
IBM PS/2 TrackPoint
. Drivers are provided in the
C:\IBMTOOLS\DRIVERS directory on your hard disk drive. If your hard disk
drive does not contain device drivers, refer to the ThinkPad Service &
Support Web site. To access this Web site, openAccess ThinkPad by pressing
the ThinkPad button, then click the Service & Support image on the right of
the screen.
Problem:
The scrolling or magnifying glass function does not work.
Solution:
Check the mouse driver in Device Manage window, and make sure
that the
IBM PS/2 TrackPoint
driver is installed.
Standby or hibernation problems
Problem:
The computer enters standby mode automatically.
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.
Check the power management settings.
Problem:
The computer enters standby mode immediately after POST (the
standby indicator turns on).
Solution:
Make sure that:
v
The battery is charged.
v
The operating temperature is within the acceptable range. Refer to
“Specifications” in this Guide.
If these items are correct, have the computer serviced.
Problem:
A message
critical low-battery error
appears, 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.
Solving computer problems
18
ThinkPad
®
T22 Service and Troubleshooting Guide