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 supervisor 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. |
|
|
Keyboard problems |
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A number appears when you | • The numeric lock function is on. To disable it, press Fn + F8. |
enter a letter (Z370/Z470). |
|
Sleep or hibernation problems
The critical
The computer enters sleep mode immediately after Power- on
•The battery power is getting low. Connect the AC adapter to the computer, or replace the battery with a fully charged one.
•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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