![]() Expand Display Adaptors, Right-click on your display (for example Intel HD 5550) and Uninstall. Right-click Start Menu, take Device Manager. Uninstall graphics drivers from Device Manager (On some models you need to hold FN and press the function keys).īy changing to 50% this means you can see what you are doing on the screen while applying the fix. Use the function keys with the brightness icon on them and adjust brightness to approx 50%. How To Fix Change screen brightness to 50% Plug Power Cable In Turns Brightness DownĪ further symptom of this bug is that when you plug in the mains charger cable, the screen goes dark, remove it and the screen brightens up. ![]() Instead when you turn the brightness down, the brightness actually goes up. Using the Function keys (often F11 & F12) when you try to turn the brightness up nothing happens. You switch on the computer and it appears to be fine during Startup, but after the Lock Screen when you expect to see your Desktop icons, you have a black screen. This usually occurs after a clean install of Windows 10 on Lenovo B30 and similar models.
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