Lenovo V470/V570/B470/B570 UserGuide V1.0
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... is charged. (POST). - Sound problems No sound can be lost. If you install the operating system or application program correctly? The display device driver is still not reset, remove the AC adapter and the battery. The monitor type is correct. • Did you are installed and configured... the computer; If the computer is installed correctly. - Press Fn + F2 to make the screen brighter. - Use and care Information" of Lenovo Safety and General Information Guide. depleted. To reset the computer, press and hold the power button for 4 seconds or more. The computer does ...
... is charged. (POST). - Sound problems No sound can be lost. If you install the operating system or application program correctly? The display device driver is still not reset, remove the AC adapter and the battery. The monitor type is correct. • Did you are installed and configured... the computer; If the computer is installed correctly. - Press Fn + F2 to make the screen brighter. - Use and care Information" of Lenovo Safety and General Information Guide. depleted. To reset the computer, press and hold the power button for 4 seconds or more. The computer does ...