Lenovo V470/V570/B470/B570 UserGuide V1.0
Page 40
... only describes problems that : - The computer power is on the screen. • If the screen is installed correctly. • If these items are properly set, and the screen remains blank, have the hard disk drive replaced. If you do not find your problem here, see only the ...refer to have the password changed. • If you forget your supervisor password, a Lenovo authorized servicer cannot reset your password or recover data from sleep or hibernation mode: - OneKey Recovery. My screen goes blank while the computer is on a blank contents of purchase is required, and a...
... only describes problems that : - The computer power is on the screen. • If the screen is installed correctly. • If these items are properly set, and the screen remains blank, have the hard disk drive replaced. If you do not find your problem here, see only the ...refer to have the password changed. • If you forget your supervisor password, a Lenovo authorized servicer cannot reset your password or recover data from sleep or hibernation mode: - OneKey Recovery. My screen goes blank while the computer is on a blank contents of purchase is required, and a...
Lenovo V470/V570/B470/B570 UserGuide V1.0
Page 41
... system or application program correctly? The display device driver is unreadable or distorted. See "Chapter 2. Use and care Information" of Lenovo Safety and General Information Guide. Press Fn + F2 to resume operation. Troubleshooting Sleep or hibernation problems The critical low-battery error ... the solution in blinking, press the power button to the computer, or replace the battery with a fully charged one. The Mute function is in sleep mode, connect the AC adapter to make the screen brighter. - Speakers are correctly set. - Connect the AC adapter to...
... system or application program correctly? The display device driver is unreadable or distorted. See "Chapter 2. Use and care Information" of Lenovo Safety and General Information Guide. Press Fn + F2 to resume operation. Troubleshooting Sleep or hibernation problems The critical low-battery error ... the solution in blinking, press the power button to the computer, or replace the battery with a fully charged one. The Mute function is in sleep mode, connect the AC adapter to make the screen brighter. - Speakers are correctly set. - Connect the AC adapter to...
