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You can't do it like that, unfortunately:

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Can I use a DisplayPort to Dual-Link DVI passive adapter / cable?

 

No. DisplayPort to Dual-Link DVI passive adapters / cables do not actually exist. Even though most DisplayPort to DVI adapters you see for sale are labeled as "Dual-Link", all of these are fake, they are only Single-Link DVI adapters in disguise.

The DisplayPort connector has 20 pins, which means it can be used as a Single-Link DVI-D port via a passive adapter. However, Dual-Link DVI requires 25 pins, so a DisplayPort connector does not have enough pins to emulate a Dual-Link DVI connection. The additional DVI pins on "DisplayPort to Dual-Link DVI" adapters are not connected to anything at all, they are just for show, for marketing purposes. It is nothing but a Single-Link DVI-D adapter dressed up to appear like a Dual-Link DVI-D adapter.

 

So your monitor only has Displayport and your GPU only has DVI?

Are you sure there are no other ports on either side? HDMI sometimes has the ability to do 120Hz+

"We're all in this together, might as well be friends" Tom, Toonami.

 

mini eLiXiVy: my open source 65% mechanical PCB, a build log, PCB anatomy and discussing open source licenses: https://linustechtips.com/topic/1366493-elixivy-a-65-mechanical-keyboard-build-log-pcb-anatomy-and-how-i-open-sourced-this-project/

 

mini_cardboard: a 4% keyboard build log and how keyboards workhttps://linustechtips.com/topic/1328547-mini_cardboard-a-4-keyboard-build-log-and-how-keyboards-work/

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