•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 your system is installed with the Windows 7 operating system, use either the Rescue and Recovery workspace or the recovery discs to restore the system to the factory state.
–If your system is installed with the Windows 8 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 touch pad, or press a key to exit the screen saver.
–Press the power switch to resume from sleep or hibernation.
Beep errors
Table 7. Beep errors
Problem | Solution |
|
|
One short beep, pause, three short beeps, pause, three | Make sure that memory modules are installed correctly. If |
more short beeps, and one short beep | they are, and you still hear the beeps, have the computer |
| serviced. |
|
|
One long and two short beeps | The video function has a problem. Have the computer |
| serviced. |
|
|
Four cycles of four short beeps | The Security Chip has a problem. Have the computer |
| serviced. |
|
|
Five short beeps | The system board has a problem. Have the computer |
| serviced. |
|
|
Three short beeps, pause, one short beep, pause, one | Power off and remove device from ExpressCard Slot. If |
more short beep, and three short beeps | the beeps persist, have the computer serviced. |
|
|
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.
It might be necessary to remove all added memory modules to test the computer with only the
2.Check for error messages during startup.
Follow the appropriate corrective actions for
3.Verify that the latest UEFI BIOS for your model has been installed.
4.Verify the proper memory configuration and compatibility including the maximum memory size and the memory speed.
5.Run diagnostic programs. See “Diagnosing problems” on page 115.
