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Is it my CPU or my GPU?

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#1 MrDerp


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Posted 15 June 2016 - 11:09 PM

Hello, so about a month ago i was using a gtx 980ti gpu until it broke or i should say has some problems with it which didnt allow it to run when i installed drivers. anywho after it broke i pulled apart my PC and gave it a dust clean ( i had accidently forcefully removed my CPU as it was stuck the the liquid cooler heatsink and i wasnt able to move the needle (which you move to insert cpu and remove) I got a new GPU a R9 380 put my CPU back in as well as the new GPU turn my PC on all the fans power up and the GPU turns on as well, however i dont get any signal on my monitor linked through HDMI which the cord. I would like to know if the problem lies in my CPU? i put my old GPU in and i was receiving no signal as well on the monitor. I use a 750w power supply which is more than enough. I have also taken out the ram and put it back in as well as the battery, other than that i have no clue please halp!!  

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#2 Bill_Bright


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Posted 16 June 2016 - 08:33 AM

Note that R9 380 cards require 2 x 6-pin power connectors directly from the PSU (the 380X requires 1 x 6-pin plus 1 x 8-pin). Did you ensure you connected the extra power leads?

And while 750W should be plenty, that assumes the PSU is working properly. Whenever troubleshooting hardware, I always ensure I have good power being fed to the components first by swapping in a known good PSU.

You might also try DVI and see if that works. HDMI just has not proven as dependable in computer applications as expected.

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