Lenovo E43 User Manual page 59

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 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.
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/NumLk.
Chapter 4. Troubleshooting
53