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Weird 390 detection problem

Malarkee

Malarkee

Malarkee

Associate
Joined
24 Oct 2003
Posts
754
Location
England, Newcastle
Hi, I've just transferred my Lenovo h30-50 into a larger cade, I've updated the psu (650w) and stick an r9 390 in.

The system boots up and I have the display connected via the 390, the display is working and the fans are spinning.

Windows didn't detec any new hardware and after running the installation cd and installibg catalyst, nothing has happened, nothing to do with 390 is showing up in device manager under display adapter (despite the fact that the 390`s hdmi is outputting).

I'd assume it's a conflict with the mobo gpu, but like I said, the card is outputting and the fans seem to be spinning away just fine so I don't think it's a psu issue (although, disappointingly, OcUK advertised this 390 as needing a 650w psu, the box actually says 750w).

My gpu has 2 x 6 pin plugs with 2 x 2 pin plugs to convert to 2 x 8 pin. Both are fully connected, I assume/hope correctly.

Any ideas? I'm going to poke around in bios soon (windows 10 is stuck installing updates, woohoo...) and see if anything needs disabling/enabling.

Any ideas would be a huge help.

What I find weird is that the fans are spinning and the hdmi is outputting, the pc had a pci gfx745, so I doubt the motherboard gpu is even enabled
 
Sat idle on my desktop and it suddenly decides to rexognise it! I noticed the red cross on the audio icon had vanished so I guessed hdmi audio was working.

Not complaining but all a bit odd!
 
you could try going into the bios and see if you can check to see if there's a display option.
I know I can disable the onboard but I dont know about enabling the pcie card but you never know.
 
It was set to 'auto', I changed it to PEG which didn't seem to initially do anything, but could be what made windows detect it after 15 minutes of being idle.

The nvidia pci card worked fine on auto, so I'm hoping it's not a psu issue.
 
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