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Lenovo IdeaPad Y710 Manual

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Chapter 4. Troubleshooting
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 or hibernation mode:
Touch the touch pad.
Press any key.
Press the Power button.
A Password Problem
I forgot my password.
If you forgot your user password, you must take your computer to a Lenovo
authorized servicer or a marketing representative to have the password canceled.
If you forgot your HDD password, 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, 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.
Keyboard Problems
A number appears when you enter a letter.
The numeric lock function is on. To disable it, press Fn + Insert.
All or some of the keys on the external numeric keypad do not work.
Make sure that the external numeric keypad is correctly connected to the computer.
Sleep or Hibernation Problems
The computer enters sleep mode unexpectedly.
If the processor overheats, the computer automatically enters sleep mode to allow the
computer to cool and to protect the processor and other internal components. Check
the settings for sleep mode.
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