Lenovo 59385901 manual Bios password problems, Sleep problems

Chapter 4. Troubleshooting

Incorrect characters appear	• Is the operating system or programs installed
on the screen.	correctly? If they are installed and configured
	correctly, have the computer serviced.
BIOS password problems
I forgot my password.	• If you forget your user password, you must ask the
	system administrator to reset your user password.
	• If you forget your HDD 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.

Sleep problems

The critical low-battery error message appears, and the computer immediately turns off.

•The battery power is getting low. Connect the AC power adapter to the computer, or replace the battery with a fully charged one.

The computer enters	• Make sure that:
sleep mode	- The battery is charged.
immediately after Power-on	- The operating temperature is within the acceptable
self-test (POST).	range. See “Chapter 2. Use and care Information” of
	Lenovo Safety and General Information Guide.

Note: If the battery is charged and the temperature is within range, have the computer serviced.

The computer does not	• If your computer is in sleep mode, connect the AC
return from sleep mode,	adapter to the computer and then press any key or
and the computer does not	the power button.
work.	• If the system still does not return from sleep mode,
	stops responding, or cannot be turned off, reset the
	computer. Unsaved data may be lost. To reset the
	computer, press and hold the power button for 4
	seconds or more.

26