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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,
only a white cursor appears on
a blank screen.
Restore the system partition to its original status or a
previously created back-up point using the OneKey
Recovery system. If you still see only the cursor on the
screen, have the computer serviced.
My screen goes blank while the
computer is on.
Your screen saver or power management may be enabled.
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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