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PC WONT BOOT UP AFTER INSTALLING A ATI 7790 (New GPU)

Tags:
  • Graphics
  • Boot
  • ATI
  • no post
  • GPUs
  • 7790
  • POST
  • graphics crad
Last response: in Graphics & Displays
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February 20, 2014 2:55:21 AM

Hi guys I have a problem and I cant seem to solve it :o .
Let me start with my system specs:
Mobo: Asrock z68 Pro3 Gen3
RAM: G.Skill Ripjaws 8GB 1600MHz (Yes I have tried both sticks and resitting ram and checked different slots)
GPU: HiS 7790 (Thats the GPU WHEN MY PC DOES NOT BOOT UP has been checked in different pc and it works) however it boots up on my ATI 3450
Processor: Intel i5 2500K stock speeds never overclocked.
PSU: Thermaltake M550W brand new psu (Checked and working)
OS: Windows 8.1 64bit.
I guess the other things dont matter.

I cant seem to go through boot my screen just says no signal when i plug in my 7790 but when I plug the 3450 it fires up with no problem...

Please help I'm really clueless..

More about : wont boot installing ati 7790 gpu

Best solution

February 20, 2014 2:59:00 AM

Meaister said:
Hi guys I have a problem and I cant seem to solve it :o .
Let me start with my system specs:
Mobo: Asrock z68 Pro3 Gen3
RAM: G.Skill Ripjaws 8GB 1600MHz (Yes I have tried both sticks and resitting ram and checked different slots)
GPU: HiS 7790 (Thats the GPU WHEN MY PC DOES NOT BOOT UP has been checked in different pc and it works) however it boots up on my ATI 3450
Processor: Intel i5 2500K stock speeds never overclocked.
PSU: Thermaltake M550W brand new psu (Checked and working)
OS: Windows 8.1 64bit.
I guess the other things dont matter.

I cant seem to go through boot my screen just says no signal when i plug in my 7790 but when I plug the 3450 it fires up with no problem...

Please help I'm really clueless..


have you plugged the auxiliary supply of your gpu?

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February 20, 2014 3:00:40 AM

Yes of course I did and by accident I have selected your answer as the best, god this day is getting worse and worse hehe
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February 20, 2014 3:08:07 AM

Meaister said:
Yes of course I did and by accident I have selected your answer as the best, god this day is getting worse and worse hehe


ok please update your bios to the latest sometimes crazy things happen, and borrow a 650w psu for test puposes sometimes working a psu cause problems under heavy load. Also if you have a second pci-x socket try it and check if the gpu is plugged correctly in the socket(use a flashlight to inspect).

edit : first clear cmos

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February 23, 2014 2:25:09 PM

I have done that already still no luck
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February 24, 2014 12:32:15 AM

are you using a dual dvi connection tft ? screen if yes, try dsub or dvi tft. some gpus doesnt support dual dvi
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!