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• Problem: When I turn on the computer, only a white pointer is displayed on a blank screen.
Solution: If you have modified a partition on your hard disk drive or hybrid 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 pointer on the screen, do the following:
– If you have used the partition software, examine the partition on the hard disk drive or hybrid drive
by using the software, and recover the partition if required.
– If your system is installed with the Windows 8.1 operating system, use either the Remove
everything and reinstall Windows function or the recovery discs to restore the system to the
factory 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 trackpad, or press a key to exit the screen saver.
– Press the power button to resume from sleep or hibernation.
Beep errors
Table 6. Beep errors
Problem
One short beep, pause, three short beeps, pause, three
more short beeps, and one short beep
Three short beeps, pause, one short beep, pause, one
more short beep, and three short beeps
One long and two short beeps
Four cycles of four short beeps
Five short beeps
Five short beeps, pause, five short beeps, and pause
Memory module problems
Print these instructions now and keep the instructions with your computer for reference later.
If your memory module is not operating properly, check the following items:
1. Check for error messages during startup.
Follow the appropriate corrective actions for power-on self-test (POST) error messages.
2. Verify that the latest UEFI BIOS for your model has been installed.
3. Verify the proper memory configuration and compatibility including the maximum memory size and the
memory speed.
Solution
Memory problem. Shut down the computer immediately
and have the computer serviced.
PCI resource problem. Shut down the computer
immediately and have the computer serviced.
Video 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.
* 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 TPM initialization failure). Continue with the boot
process and call the Lenovo service center for technical
support.
.
Chapter 7
Troubleshooting computer problems
91
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