A Password Problem; A Power Switch Problem - Lenovo 3000 N100 0689 Supplementary Manual

Solving computer problems
Problem:
When I turn on the machine, nothing appears on the screen, but I hear
two or more beeps.
Solution:
Problem:
My screen goes blank while the computer is on.
Solution

A password problem

Problem:
I forgot my password.
Solution

A power switch problem

Problem:
The system does not respond, and you cannot turn off the computer.
Solution:
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Lenovo 3000 N100 Service and Troubleshooting Guide
→ Make sure that the memory card is installed correctly. If it is, but the
screen is still blank, and you hear five beeps, have the computer
serviced.
→ Your screen saver or power management may be enabled. Touch the
touch pad, or press a key to exit the screen saver, or press the power
switch to resume from standby or hibernation mode.
→ If you forgot your power-on 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 can
not 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.
→ Turn off the computer by pressing and holding the power switch for
4 seconds or more. If the computer is still not reset, remove the ac
adapter and the battery.