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Screen fuzzy rainbow-Turn it off then back on and its fixed

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Joined
Feb 19, 2011
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24
Mac
Classic Mac
Mobile Phone
Hey there guys!

Got a weird one for you. When I start up my mac my screen sometimes comes up with a fuzzy rainbow effect as shown in the following images. Sometimes it fixes itself and other times I need to turn off the screen and turn it back on to rectify the problem.

BENQG2412HD is the monitor

I've had the same problem with a different video card so it leads me to believe it might very well be something to do with the screen, perhaps a setting or profile? Is there anyway to purge the profiles or am I on the wrong track and this is a problem you've seen before?

IMG_1392.jpg

IMG_1393.jpg


PS. It happens if its alone as a single screen or in a dual screen environment.
 
Joined
Aug 16, 2010
Messages
28
Motherboard
Gigabyte Z390
CPU
3.6 GHz Intel Core i9
Graphics
Radeon RX580
Mac
  1. iMac
  2. MacBook Pro
Mobile Phone
  1. Android
The same thing happens to me! Except it's only with one of my monitors. I don't know if it makes a difference but it's always the one connected using a dvi cable on the right.

I've just learned to live with it.
 
Joined
Feb 19, 2011
Messages
24
Mac
Classic Mac
Mobile Phone
Hmm interesting! I'll try flipping mine around and see if its monitor specific or to do with the connection plug.

It was just strange as it happened with the same monitor but on a different setup (core 2 duo and geforce 9800GT).
 
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