Single Link, Dual Link DVI Refresh rate.

Zalkard · May 17, 2014

Hello,

I used to be able to overclock my monitor to 72hz with my old Radeon HD 7870XT, but with my new GTX 780 TI when I go above 68hz, this happens:

Weird purple flickering outlines.
Is this due to the Single Link DVI cable I'm using, and would getting a Dual Link DVI cable solve this?
Thanks for reading.

Ahmadjon · May 17, 2014

Check your refresh rate in nVidia control panel.

Edit: I think it's software issue and I think dual link cable (never heard about single link cable) won't help

Zalkard · May 17, 2014

Ahmadjon :

Refresh rate in control panel are set the way they should be. Same result from there. Any other ideas?

Ahmadjon · May 17, 2014

Zalkard :

Then use your monitor at stock (60Hz) rate I think 78Hz is not as good as 120/144Hz. I would keep default refresh rate because there is not so big difference

Zalkard · May 17, 2014

Ahmadjon :

Zalkard :

Then use your monitor at stock (60Hz) rate I think 78Hz is not as good as 120/144Hz. I would keep default refresh rate because there is not so big difference

Well I can run it at 68hz. And can definitely tell the difference between 60hz and 68hz. And my monitor cannot run 120hz.

Ahmadjon · May 17, 2014

Then run that 68Hz or run 78Hz with that purple lines

Zalkard · May 18, 2014

I fixed it!!!!! Due to a weird crash bug on CSGO, I tried everything to fix it, including wiping all of my graphics drivers + Geforce Experience. Now after having reinstalled everything and CSGO seems to be working fine now, I tried running at higher refresh rate just of curiosity, to be shocked to see all of the weird lines are gone!!! I'm really happy I fixed it. It was probably some kind of drivers overlapping and creating an error.

Ahmadjon · May 18, 2014

Zalkard :

Good to see that you found an issue

Zalkard · May 19, 2014

Edit: This morning I turned on my pc and it was purple lines again, but then after a few minutes it was alright again, and now it's purple lines again... What is going on? @_@

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Single Link, Dual Link DVI Refresh rate.

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