Lenovo 429040 manual Beep errors, Memory problems

Solution: Make sure that:

–The battery is installed correctly.

–The ac power adapter is connected to the computer and the power cord is plugged into a working electrical outlet.

–The computer is turned on. (Turn the power switch on again for confirmation.)

If a power-on password is set:

–Press any key to display the prompt for the power-on password. If the brightness level of the screen is low, increase it by pressing the Fn+Home.

–Type the correct password and press Enter (refer to Power-on password).

If these items are properly set, and the screen remains blank, have the computer serviced.

•Problem: When I turn on the machine, only a white cursor appears on a blank screen.

Solution: If you have modified a partition on your hard disk drive or solid state drive by using a partition software, information about that partition, or the master boot record may 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 or solid state drive by using the software, and recover the partition if required.

–Use either the Rescue and Recovery workspace or the recovery discs to restore the system to the factory state. For details about restoring the system to the factory state, see “Creating and using recovery media” on page 107.

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 may be enabled. Do either of the following:

–Touch the TrackPoint or the touch pad, or press a key to exit the screen saver.

–Press the power switch to resume from sleep (standby) or hibernation.

Beep errors

Table 9. 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 beeps	The system board has a problem. Have the computer
	serviced.

Memory problems

Print these instructions now and keep it with your computer for reference later.

If your memory is not operating properly, check the following items:

212User Guide