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I can't get my vega vii to work with my nvidia cards 2080 rtx.

When i added the vega vii it initially detected the unkown hardware, I flashed the bios with v106 x64, Then i installed the latest drivers adrenaline 19.3.2 march 14th.

My device manager finally read it as vega vii but had this symbol "!" , So i thought it just needed a reboot, I rebooted it and now i can't get anything to load up, Not even my motherboard settings. The screen shows a large underscore "_" on the boot screen . And just stays stuck there and does not load windows or anything.

Any ideas on what I should try? Thanks

I would say that You made mistake swapping sequence of two steps: driver install and flash.
You should change positions of Your cards to boot system with RTX and flash again Vega with Your original VBIOS (You did backup, don't You?).
Than You can try flashing with new VBIOS (if it is proper one for Your manufacturer/model).

I didn't do a backup. I'm an amd noob. Looks like I bricked my Vega vii on day 1 Sad

.

So i unplugged the riser on the amd radeon so i can get back into windows. Replugged the riser back in hoping the hardware will get detected. Unfortunetly it does not detect. I tried to reinstall amd drivers and it can't detect hardware anymore probably b/c I ran that bios v106 x64 before installing drivers. It won't allow me to install drivers unless it detects hardware.

What should i do next? return the card back to amazon? RMA it? This sucks now I know why I always stayed loyal to team green.

Why did you flash another BIOS onto the card if I may ask? I was running RTX 2080 Ti + Vega VII in the same computer for a while, but I put my VII in my dedicated mining rig after a while. No issues at all running them together.

I think you can get original BIOS from your vendor as well. What vendor do you have? Maybe I can get you an original BIOS, I have Sapphire one.

I have an MSI vega vii.
https://us.msi.com/Graphics-card/support/Radeon-VII-16G#down-driver&Win10%2064

To answer your question Why did I flash another bios onto the card?

I was not aware I was flashing another bios. I thought i was upgrading the bios by using the official amd bios updater, I felt like this was the best way to go, Even the msi says its using the offical amd bios version. So i double clicked v106 from the official amd website and bricked my card and become no longer detectable by bootup or windows, Before i flashed it was detectable as unknown graphics hardware in windows. Now after flashing to v106 windows device manager just shows nothing or blank like the hardware does not exist.

On the msi website for vega vii it states that its just using the official amd bios version. v105

After I installed v106 my card can no longer be detected at bootup pci slot screen and no longer detected in the device manager.

Since it can not be detected the hardware it won't allow me to install drivers or update the bios. Drivers say Error 173 amd graphics hardware not found. Also the flasher doesn't do anything v105, v106 since it can't find hardware.

I tried atikmdag-patcher 1.4.6 and it says failed to locate driver file.

Any last tips before I return this back to amazon on monday? I have a biostar b250+ motherboard if that matters.

Okey that's not good. Maybe if you have another card you can fix it, but I doubt you have one spare

To everyone that have Vega's: No need to mess with BIOSes on Vega 56/64 OR Vega VII, just leave it.

To be clear, there was a thing where you could flash the 56 with a 64 bios, which peeps claimed gave better clocks but lower power. But most of that was achievable without the risk.

Is anybody mining with a vii at the moment, and what power vs hashrates are you getting? Is it more efficient than simply running two 56s?

Yes I flashed my two Vega 56's to 64 as well. But now you don't need to do that because you just play with power tables.

Well because I want efficency, my VII is hashing 2600 ~ 200 W, so sure it's more efficient than two 56s, but at much higher cost.

Nice one - any idea what your max hash/power was? Very tempted to pull the trigger, but no point if the efficiency isn't decent. 2600/200 isn't too bad...