Lenovo P580, 59365302, P585, N586, N585, N580 Troubleshooting, Display problems, Password problems

Models: N586 P580 N581 59365302 P585 7540XF1 N580 N585

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Chapter 5. Troubleshooting

Troubleshooting -------------------------------------------------------------------------------------

Display problems

When I turn on the computer, nothing appears on the screen.

If the screen is blank, make sure that:

-The battery is installed correctly.

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

-The computer power is on. (Press the power button again for confirmation.)

-The memory is installed correctly.

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

When I turn on the computer,

Restore the system partition to its original status or a

only a white cursor appears on

previously created back-up point using the OneKey

a blank screen.

Recovery system. If you still see only the cursor on the

 

screen, have the computer serviced.

My screen goes blank while the

Your screen saver or power management may be enabled.

computer is on.

Do one of the following to exit from the screen saver or to

 

resume from sleep mode:

 

- Press any key on the keyboard.

 

- Press the power button.

 

- Press Fn+F2 to confirm whether the backlight for the LCD

 

screen has been turned off.

 

 

Password problems

 

I forgot my password.

If you forget your user password, ask the system

 

administrator to clear your user password.

 

If you forget your HDD password, a Lenovo authorized

 

servicer cannot reset your password or recover data from

 

the hard disk. You must take your computer to a Lenovo

 

authorized servicer or a marketing representative to have

 

the hard disk drive replaced. Proof of purchase is required,

 

and a fee will be charged for parts and service.

 

If you forget your supervisor password, a Lenovo

 

authorized servicer cannot reset your password. You must

 

take your computer to a Lenovo authorized servicer or a

 

marketing representative to have the system board

 

replaced. Proof of purchase is required, and a fee will be

 

charged for parts and service.

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Lenovo P580, 59365302, P585, N586, N585, N580, N581, 7540XF1 manual Troubleshooting, Display problems, Password problems