Lenovo 59366628, Yoga13, 59359564 manual Display panel problems, Work

The computer does not

• If your computer is in sleep mode, connect the AC

return from sleep mode and

adapter to the computer, then press any key or the

the computer does not

power button.

work.

• If the system still does not return from sleep mode,

your system has stopped responding, and you cannot

turn off the computer; reset the computer. Unsaved

data may be lost. To reset the computer, press and

hold the power button for 4 seconds or more.

The screen is blank.

• Do the following:

- If you are using the AC adapter, or using the

battery, and the battery status indicator is on, press

F12 (

) to make the screen brighter.

- If the power indicator is in blinking, press the

power button to resume from the Sleep mode.

- If the problem persists, follow the solution in the

next problem “The screen is unreadable or

distorted.”

- Press F9 (

) to confirm whether the LCD screen

has been turned off.

Incorrect characters appear

• Are the operating system or programs installed

on the screen.

correctly? If they are installed and configured

correctly, have the computer serviced.