Lenovo G70-35 Laptop (English) User Guide - Lenovo G70-35 - Page 28

Chapter 4. Troubleshooting BIOS password problems I forgot my password. Sleep problems • If you forget your user password, ask the system administrator to clear your user password. • If you forget your hard disk drive 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. 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 pack with a fully charged one. The computer enters sleep mode immediately after Power-on self-test (POST). • Make sure that: - The battery pack is charged. - The operating temperature is within the acceptable range. See "Chapter 2. Use and care Information" in the Lenovo Safety and General Information Guide. Note: If the battery pack 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 power adapter to the computer, 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 four seconds or more. If the computer is still not reset, remove the AC power adapter. 22