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If a power-on password is set, press any key to display the prompt for the power-on password and
then type the correct password and press Enter.
If these items are correctly set, and the screen remains blank, have the computer serviced.
• Problem: When I turn on the computer, only a white cursor is displayed on a blank screen.
Solution: If you have modified a partition on your hard disk drive by using partition software, information
about that partition, or the master boot record might have been destroyed.
1. Turn off the computer, and then turn it on again.
2. If you still see only the cursor on the screen, do the following:
– If you have used the partition software, examine the partition on the hard disk drive by using the
software, and recover the partition if required.
– Use the recovery solutions to restore the system to the factory default state.
If the problem persists, have the computer serviced.
• Problem: My screen goes blank while the computer is on.
Solution: Your screen saver or power management might have been enabled. Do either of the following:
– Touch the TrackPoint pointing device or the ThinkPad trackpad, or press a key to exit the screen saver.
– Press the power button to resume the computer from sleep or hibernation mode.
Beep errors
Table 5. Beep errors
Beeps
One short beep, pause, three short beeps, pause, three
more short beeps, pause, and one short beep (1-3-3-1
beeps)
One long and two short beeps
Three short beeps, pause, one short beep, pause, one
short beep, pause, and three more short beeps (3-1-1-3
beeps)
Four cycles of four short beeps
Five short beeps
Five short beeps, pause, five more short beeps, and
pause
Memory module problems
Print these instructions now and keep it with your computer for reference later.
If your memory module is not operating properly, check the following items:
1. Verify that the memory module is installed and seated correctly in your computer.
Solution
Memory problem. Shut down the computer immediately
and have the computer serviced.
Video problem. Shut down the computer immediately and
have the computer serviced.
PCI resource problem. Shut down the computer
immediately and have the computer serviced.
*
TCG
-compliant functionality-related problem (might be
the TPM initialization failure). Shut down the computer
immediately and have the computer serviced.
*
TCG is the abbreviation for Trusted Computing Group.
System board problem. Shut down the computer
immediately and have the computer serviced.
TCG-compliant functionality-related problem (might
be the BIOS code validation failure). Shut down the
computer immediately and have the computer serviced.
.
Chapter 8
Troubleshooting computer problems
93
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