Lenovo S410p User's Guide download pdf (Page 32)

Chapter 4. Troubleshooting

Incorrect characters appear

on the screen.

• Is the operating system or programs installed

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 t

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

sleep mode

immediately after Power-on

self-test (POST).

• Make sure that:

-The battery is charged.

-The operating temperature is within the acceptable

range. See “Chapter 2. Use and care Information” of

Lenovo Safety and General Infor

mation Guide.

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

The computer does not

return from sleep mode,

and the computer does not

work.

• If your computer is in sleep mode, connect the AC

adapter to the computer and then press any key or

the power button.

• 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.

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Lenovo S410p User's Guide Page 32

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