Asus Radeon R7 250X

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xXClaymoreXx

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Sep 12, 2015
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Ok, i have an asus M5A78L-M mobo, trying to upgrade video with an Asus R7 250x, when i do the system boots fine except black screen, Things i have figured out so far and tried are:

Using Win 10 64- bit
Power supply is new, Antec 450W
Bios updates are current
old card works in same PCI-E slot
R7 boots into safe boot, but drivers wont install, says the auto configuration cannot launch but R7 does show up in device manager

After booting to dark screen and all HD activity stopped, switch HDMI cable to on board video to see if card is seated, it is, no on board video

As per Asus website mobo does support the R7
Booted to desktop using old video card and installed new drivers then powered down and switch cards, still black screen
no error messages, no beeps

I think that is all, please ask away if theres anything else needed, i may have forgotten in my frustration lol
 
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That's bad news. That may indeed be defective hardware.
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xXClaymoreXx

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It is quite literally a black screen, it boots up, the bios messages flash up the screen as per normal the Asus logo comes up then after it starts to load windows, it goes dark and thats the last of anything on the screen. I know its about when windows loads i see the the windows 10 logo then the circle dots then it goes blank. No my mobo has only one PCI-E 16x slot for Graphics. NO i didnt disable the onboard graphics, with my old card, as long as there was a card in the PCI-E slot it cut the on board graphics off, take a card out and leave the Slot open, the on board graphics work. I assumed the same thing with the new card, but i can try it.

UPDATE!
I have figured out its the drivers, I booted into safe mode and used the Guru3D cleanup, the replaced my new card into the system and booted up. I made it to the desktop fine both in safe mode and normal. However if i install the drivers 15.7.1 for windows 10 64 bit, its cause the system to reboot, if i install the 15.8 beta drivers, its doesn't reboot but i get a black screen, no messages, no cursors, nothing.
 
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xXClaymoreXx

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Sep 12, 2015
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So, since i believed it was drivers, i downloaded and auto detect utility from AMD, ran it and it says my card in the PCI-E slot is a Radeon HD 7400 series card, that was my old card. My new card is a Radeon R7 250X, why is it seeing my old card after its but removed from the hardware and the driver cleanup Guru3D ran?
Arrgh!
 
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imrazor

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Hmm, are you sure when you boot up with the new card, your mobo isn't still using onboard graphics to display the BIOS screen? Since the AMD detection utility is still seeing the 7400 that sounds almost like DDU didn't completely clean up the old driver.

One thing that may help is know exactly which CPU you have.
 
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xXClaymoreXx

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Sep 12, 2015
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I cant see the mobo using the on board graphics to display the the bios screen, i dont have any cables plugged into the connections for the on board graphics. My CPU is AMD FX-8120.
I'm thinking i might have to go hunting for and old revision driver, the betas don't work, the current release does't work, only thing i can think of is to roll back another version see if it works. But i cant seem to find any legacy drivers on AMD's website, but it might be me.

Oh and i cannot disable the on board graphics, the only thing i can do in the bios is dictate the primary graphics to look for first, and i set it for the PCI first. Going to try uninstalling the 7400 series card from device manager, then run the DDU, shut down reinstalled the new card, go from there.

Also, I thought maybe this was due to only having the windows basic driver working at the time but, i have green vertical lines running through my screen when i have the new card in, could this be an issue with the card itself? bad hardware?

On another note, not being able to boot into safe mode during boot up with windows 10 is stupid, isn't that when you usually need safe mode?

 
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imrazor

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That's bad news. That may indeed be defective hardware.
 
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xXClaymoreXx

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Sep 12, 2015
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I have came to the same conclusion, I'm returning the card. Now, lets hope the fight to return it is less frustrating then the troubleshooting.

Thanks for your help, i only wish it amounted to success.
 
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