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Compatibility Issues? (AMD Radeon HD 7770 GHz Edition GPU)

I recently purchased a graphics card from NewEgg, and it just arrived earlier today. I put it, along with a new Power Supply that could support its minimum 450W requirement. They both fit into my case (an Acer Veriton akin to this) snugly, and I connected them in the appropriate locations. However, the monitor would not automatically 'wake up' when I turned the PC on (Note that the DVI cables were connected to the card).

After several "failed" attempts of uninstalling the integrated graphics (Intel HD Graphics 4000) drivers, I did some looking around inside, discovering that I'd not plugged in a cord from the PSU into the GPU, so after amending that issue, I turned the computer on to find that it still does not recognize the card. This was after I had installed the latest ATI drivers and the Catalyst Control Center. Instead, when I look at my display drivers in the Device Manager, I get this. In fact, my DVI cable is currently hooked up to the GPU, and the aforementioned screenshot was taken as I type this.

If someone could direct to me some answers, or possibly a fix for this, that would be great. Please keep in mind I'm rather inexperienced with PC building/modifying and have only replaced the GPU/PSU once before.

UPDATE: Problem solved.
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  1. Best answer
    I know this is an obvious question, but necessary to rule out causes. Did you uninstall all the drivers before your put the new card in? Also did you have the PC turned off when you put in the new GPU?

    Also, you may have to go into the BIOS and check the settings, switch from 'onboard' or 'integrated' to PCIe 16x for it to utilize the new card.
  2. R0ckiiegaming said:
    I know this is an obvious question, but necessary to rule out causes. Did you uninstall all the drivers before your put the new card in? Also did you have the PC turned off when you put in the new GPU?

    Also, you may have to go into the BIOS and check the settings, switch from 'onboard' or 'integrated' to PCIe 16x for it to utilize the new card.


    Originally I did not uninstall the drivers first, but I switched back to the onboard card after realizing that, and uninstalled the NVIDIA drivers I had used for my old card, as well as those for the integrated card, before replacing my new GPU.

    I'll try the BIOS as soon as I can. Thanks.
  3. Bios enable your pci slot as the gpu turn off the igpu in bios.
  4. Interestingly enough, the drivers finally installed correctly (those for my new card, that is). Now my PC recognizes my card, and I'm running off of it now. Thanks for the consideration and offers for help anyway, guys.
  5. Bloodhound627 said:
    Interestingly enough, the drivers finally installed correctly (those for my new card, that is). Now my PC recognizes my card, and I'm running off of it now. Thanks for the consideration and offers for help anyway, guys.


    No problem =]
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