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I just hooked a new HP monitor to my iMac to extend the desktop. the monitor keeps flickering like there's a bad signal
iMac, OS X 10.11
I lowered the screen resolution and it helped. I’ll look into a better cable. Thank you!!🙏
I lowered the screen resolution and it helped. I’ll look into a better cable. Thank you!!🙏
In Sys Prefs>Displays, hold option key while selecting Scaled for that Monitor, try other resolutions.
What Rez is the Monitor & what exact cable are you using?
Could be a bad cable
For instance some Higher Rez displays won't work well with cheap 30fps cable, Make sure it's like 60fps for 4K.
Good to hear, I think we're on the cure... what connections does the hp have?
my external monitor keeps flickering
