Motherboard won't detect graphics card

mpt5000 · Jun 6, 2014

I have a MSI Z87 G45 gaming motherboard, and lately it hasn't been detecting the two GPU's I own ( Asus Radeon R9 270 and an Nvidia Geforce 660). This problem comes after having issues with both cards where the monitor would lose signal during graphic intensive content, but the onboard graphics work perfectly fine. After a few weeks of just using the onboard graphic, (had to take time off this problem because of school) I decided to try to solve this problem again, but now neither card is being detected by the system when I try to boot. I went in to BIOS, and auto detect PCI slot is already enabled, and my psu is 750 W so I know that it's enough.

And I'm not using both cards at the same time, I'm trying them separately.

BlackPseudicide · Jun 6, 2014

Could you post full specs? Do you have another computer you can install the cards in to see if they are the problem?

Suztera · Jun 6, 2014

What is your power supply brand and model? Just because it says 750W that doesn't always means that.
Also did you uninstalled your previous gpu drivers before switching gpus

mpt5000 · Jun 6, 2014

BlackPseudicide :

Intel i5 4670k 3.4GHZ 6MB
MSI ATX DDR3 1333 LGA 1150 z*7 G45 Gaming motherboard
Asus Radeon R9 270
8GB Corsair Vengeance RAM
Cooler Master GX 750W
WD Blue 1 TB HD 7200 RPM SATA

And i don't have another system to try it in as of now

BlackPseudicide · Jun 6, 2014

mpt5000 :

BlackPseudicide :

Intel i5 4670k 3.4GHZ 6MB
MSI ATX DDR3 1333 LGA 1150 z*7 G45 Gaming motherboard
Asus Radeon R9 270
8GB Corsair Vengeance RAM
Cooler Master GX 750W
WD Blue 1 TB HD 7200 RPM SATA

And i don't have another system to try it in as of now

Were drivers the problem?

mpt5000 · Jun 6, 2014

Suztera :

Hey so I accidentally clicked the pick as best solution button, no idea how I managed to do that, so just disregard that for now

I'm using a cooler master 750W 80 plus bronze psu
And I made sure that the drivers were uninstalled before switiching cards,

mpt5000 · Jun 6, 2014

BlackPseudicide :

When I had the first problem with the Nvidia, I kept updating, rolling back, neither worked. When I installed the Radeon, I tried updating the drivers but it lost monitor signal in the middle of the update. As for that other guy asking me about the drivers, I accidentally selected pick best answer instead of reply, again, no idea how I did that, if that answers your question.

Suztera · Jun 6, 2014

The website is acting up for me.

Did you update windows?
Also did you update your motherboard drivers?

mpt5000 · Jun 6, 2014

Suztera :

Yes and Yes, also updated BIOS

Suztera · Jun 6, 2014

If you use the R9 270 again, what driver version were you installing?

mpt5000 · Jun 6, 2014

Suztera :

Ill have to check when I get home, but it was the latest one as of february of this year.

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Motherboard won't detect graphics card

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