Lenovo G530 - Manual (Page 57)

Chapter 4. Troubleshooting
49
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A password problem
I forgot my password.
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If you forgot your user password, you may clear it by removing the
supervisor password. See “Changing or removing the supervisor
password” on page 27.
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If you forget 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.
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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.
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Keyboard problems
A number appears when you enter a letter.
The numeric lock function is on. To disable it, press Fn+NmLk.
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.