No signal from GTX670 but it is shown in device manager

Henrik Mortensen

Reputable
Mar 4, 2014
4
0
4,510
Hello,

I recently build a small form factor pc with an
Case: Fractal design
CPU: i5 3570k
Mobo: Gigabyte H77N-wifi (I dont overclock, so the reason for the H version)
GPU: Gigabyte GTX 670 OC windforce 2GB

I recently transported the parts from my old build in Denmark to my new home in London and I build the mini ITX with a stock Intel cpu cooler. Everything works fine, but I noticed that the CPU was getting really hot, especially during stress test, but also gaming (which is mostly what I am going to be using this for).
I therefore bought a Corsair H60 cpu cooler and disassembled the build. Installed the new cooler and assembled the build again. However this time, my GTX670 is not showing any signal on my monitor - did not even show the bios logo (I therefore does not interpret this as a windows driver error(?))!.
I am currently using a HDMI cable between the monitor and gpu and tried with another cable as well. I have tried turning the bios into boot on PCI-E before IGPU, but had no effect.
I have no problems booting on the intel hd4000 cpu chip, and when I do this, I can see the device manager shows the GTX 670 - can I then rule out that I have messed with the PCI-E port? When going into GPU-Z, it shows a clock speed of 0 mhz, but cannot determine whether this is due to me not actually using the card or the card has gone bad.

Currently thinking of using a DVI cable to test if the HDMI port has gone defective, but would like some expert input to what might be the cause of this. I have no other rig I can test the cards on and currently no other graphics card to test on the board. Any input would be appreciated.
Thank you in advance.
 

pyr0_m4n

Honorable
Feb 4, 2013
950
0
11,360


Try connecting through a different port, but it sounds to me as if your card has died. Nothing idles at 0mhz. Even at ilde, every device in your computer will be doing "something". If you cant get any other port to work, then its the card.
 

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