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Flickers with dual monitors on HD 5770

Last response: in Graphics & Displays
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March 24, 2010 9:15:47 PM

I just bought a 5770 last week, and I just now connected an old CRT as a dual monitor. But, I'm having a problem where one of the monitors (plugged into the bottom DVI port) flickers, very annoyingly. Not a real constant flicker, but every 7 seconds or so, two strips of black show up on the screen for about half a second, then just go away. It's really annoying. I'm just wondering if it's my Power Supply, as it's probably the weakest link in my setup:
OCZ StealthXStream 400W
XFX ATI 5770
Athlon II X4 620
Biostar TA790GX A3+

I'm thinking that it might be my PSU, but if it's the card, I do have the XFX lifetime warranty.
March 24, 2010 9:27:07 PM

check your refresh rates.. if your ctr is flickering maybe its cause its old like you said.
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March 24, 2010 9:29:01 PM

Sometimes it's either one, depending on which one is plugged into the bottom DVI port.
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March 24, 2010 10:43:54 PM

May be cable prob or moniter is old as steadfast said
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March 24, 2010 10:48:42 PM

Like I said, my brand new LCD monitor flickers if it's plugged into the bottom DVI port, as is the CRT monitor.
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March 25, 2010 2:12:23 AM

Maybe you can try the brand new catalyst 10.3 drivers. They just got released today.
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April 1, 2010 12:00:26 AM

Disabling ATI Overdrive worked, but I'm disappointed.
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January 20, 2011 11:29:55 PM

amantonas said:
Disabling ATI Overdrive worked, but I'm disappointed.

yep. that fixed it for me too. disappointed.
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February 21, 2012 2:52:16 PM

cashx3r0 said:
yep. that fixed it for me too. disappointed.

fixed for me to, and i am happy that fixed it!. I had been restarting my computer for months till i read this, and this was such a faster fix, I am very happy! :) 
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a c 271 U Graphics card
February 21, 2012 2:54:28 PM

This topic has been closed by Mousemonkey
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