Resolved No Display using R9 280x MacPro 2010

[blackdbird]

Hello there i just got myself Mid 2010 6core mac pro with amd 5770 , before that i was using 2014 macbook pro retina display with 750M hooked up with Dell U3415W , anyways i just putted gigabyte R9 280x [Rev 2.0] on my mac pro and hooked it up to U3415W and its giving me no display , its getting detected with proper info but not able to get any display the monitor just goes to sleep , i connected my other U3014 with it and it gaves me instant display , tried multiple cable combinations with both monitors , but not matter what i do i m not able to get any display out of U3415W , and the card is not flashed , as i really don't know how to do that , any help will be greatly appreciated

Thanks

 

[keysofanxiety]

Hello there i just got myself Mid 2010 6core mac pro with amd 5770 , before that i was using 2014 macbook pro retina display with 750M hooked up with Dell U3415W , anyways i just putted gigabyte R9 280x [Rev 2.0] on my mac pro and hooked it up to U3415W and its giving me no display , its getting detected with proper info but not able to get any display the monitor just goes to sleep , i connected my other U3014 with it and it gaves me instant display , tried multiple cable combinations with both monitors , but not matter what i do i m not able to get any display out of U3415W , and the card is not flashed , as i really don't know how to do that , any help will be greatly appreciated

Thanks

On the monitor display settings, have you tried to change the DP 1.2 settings to 'disable'?

 

[blackdbird]

On the monitor display settings, have you tried to change the DP 1.2 settings to 'disable'?

That worked Awesomely , Thankyou buddy , you rock