Lenovo IdeaPad Z570 Lenovo IdeaPad Z370/Z470/Z570 User Guide V1.0 - Page 45
Troubleshooting, Password problems, Keyboard problems, Sleep or hibernation problems - reset disk
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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 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 A number appears when you enter a letter (Z370/Z470). • The numeric lock function is on. To disable it, press Fn + F8. Sleep or hibernation problems The critical low-battery error • The battery power is getting low. Connect the AC adapter to message appears, and the the computer, or replace the battery with a fully charged computer immediately turns off. one. The computer enters sleep • Make sure that: mode immediately after Power- - The battery is charged. on self-test (POST). - 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. 41