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Chapter 4. Troubleshooting
Troubleshooting
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Display problems
When I turn on the computer,
nothing appears on the screen.
If the screen is blank, make sure that:
- The AC power 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.)
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 backed-up files to you
r Windows environment or
the entire contents of your hard disk to its original factory
contents using the Lenovo OneKey Recovery System. If you
still see only the cursor on the screen, have the computer
serviced.
The screen goes blank while
the computer is on.
Your screen saver or power management may be enabled.
Do one of the following to resume from sleep mode.
- Press any key on the keyboard. (Notebook mode only)
-Press the Power button.
-Press F9 ( ) to confirm whether the backlight of 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 hard disk drive 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 administrator 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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