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screen display shaped like an hourglass, black on sides

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  • 최종 답변자: kobe

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when booted up one day, the screen apeared as an hourglass in the middle; top and bottom are full, the sides are black -everything displays and works. is it the monitor or the video card?

when booted up one day, the screen apeared as an hourglass in the middle; top and bottom are full, the sides are black -everything displays and works. is it the monitor or the video card?

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Did you try to reboot the computer?

Did you check the refresh and resolution settings in the Control Panel > Display to make sure that they are in range of what the monitor supports?

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Thats weird, have you tried to boot into safe mode??????