IBM ThinkPad X20, Руководство пользователя

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Troubleshooting
The screen is blank and you hear two
or more beeps, or a continuous beep. If you are using Ethernet:
Ÿ
Make sure that the Ethernet cable is connected firmly.
Ÿ
Contact your network administrator.
If the screen is still blank, and beeps are not stopped, have the com-
puter serviced.
Only the cursor appears. Reinstall your operating system, and turn on the computer. If you still
see only the cursor on the screen, have the computer serviced.
Power switch problems
Problem Cause and action
The system freezes, and you cannot
turn off the computer Turn off the computer by pressing and holding the power switch for 4
seconds or more. If the system is still not reset, remove the ac adapter
and the battery pack.
Input problems
Problem Action
The cursor drifts when the computer is
turned on or after it resumes normal
operation. The cursor might drift when you are not using the TrackPoint during
normal operation. This is a normal characteristic of the TrackPoint and
is not a defect. Cursor drifting might occur for several seconds under
the following conditions:
Ÿ
When the computer is turned on.
Ÿ
When the computer resumes normal operation.
Ÿ
When the TrackPoint is pressed for a long time.
Ÿ
When the temperature changes.
The cursor does not work for a while
after the settings in the Mouse Proper-
ties window have been changed. This is a normal characteristic of the cursor. Wait several seconds until
the cursor returns to the normal state.
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ThinkPad X20 User's Reference