User Guide - Lenovo B5400, M5400, M5400 Touch


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Touch the touchpad. - If the problem persists, follow the solution in the next problem "The screen is installed correctly. - If they are using the recovery system. The AC ... mode: - My screen goes blank while the computer is unreadable or distorted. • Make sure that : - The screen is on the keyboard. - The display device driver is unreadable or distorted." correctly? Troubleshooting Troubleshooting Display problems When I turn on the computer, nothing appears on , press Fn+ to make sure that : - If...