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Repair guides and support for desktop PCs manufactured by Lenovo.

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One half of monitor screen is tinted darker(as if for night)

Right down the middle of my (LG) monitor), one side is tinted darker than the other. During the day the tinted side looks more purple, at night it is a tan-ish tint. It is still possible to see graphics and read text on both sides. My desk top computer is a Lenovo. How do I fix this?

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Pontuação 2


Hi @kkellys ,

Have you tried another monitor just to prove that the problem is in the monitor and not in the computer?

Can you try a different video cable, just to eliminate it as being the problem as well?


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Hello jayeff - We tried the monitor on another computer and determined the problem was in the monitor. I had inadvertently made that nasty setting and discovered the fix while investigating other potential monitor settings. I didn't know the monitor had its own settings. Thank you for offering your suggestions!

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Hi! I have the same problem. Which monitor do you have, and how did you fix it? (I have an AGON ag352ucg6)


Hi there - I have the same problem, how did you fix it??


For me, with a Lenovo monitor there is a setting for the screen on the monitor itself ... Text, Web Pictures, something else, Split Screen ... I had set mine inadvertently to Split Screen by fumbling with the "buttons" (places on the bezel that are touch sensitive) and corrected the problem with more fumbling with those buttons.


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this problem is caused by the dead USB or bad driver which cannot be reconigationed by our pc so I can give you a solution for this problem

1. Turn on your pc or laptop in safe mode.( go to setting and go to security and advance setting then select restart)

2. Don't use dead or virus usb or driver.

3. make you pc’s brightness no more then 25%.

4. Give some rest to your pc after every single hour.

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Pontuação 0


I connected a bad USB to my pc and noticed half of the screen is tinted yellowish. Can you provide more details to restart in safe mode?


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