Lenovo IdeaPad U410 IdeaPad U310&U410 User Guide V1.0 (English) - Page 38

Troubleshooting, Password problems, Sleep or hibernation problems, Power-on self-test POST. - hard drive replacement

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Chapter 5. Troubleshooting Password problems I forgot my password. • If you forget your user password, you must take your computer to a Lenovo authorized servicer or a marketing representative to have the password changed. • 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 or hibernation 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, 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 Information Guide. Note: If the battery is charged and the temperature is within range, have the computer serviced. 34

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34
Chapter 5. Troubleshooting
Password problems
I forgot my password.
•
If you forget your user password, you must take your
computer to a Lenovo authorized servicer or a
marketing representative to have the password
changed.
•
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 or hibernation 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, 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 Information Guide
.
Note:
If the battery is charged and the temperature is within range, have the computer serviced.