Lenovo S400U Guide de l'utilisateur télécharger pdf (Page 39)

Chapter 6. Troubleshooting

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

adapter to the computer.

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 Information Guide.

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

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Lenovo S400U Guide de l'utilisateur Page 39