ASUS AMD Radeon HD 7850 will not run, no signal on monitor, 3 beeps and orange power light on boot

Ok. I bought an HP-Envy 1435 Desktop.
I decided I would want to upgrade the gpu. So I looked into what I might want to buy. The computer itself comes with a NVIDIA GT 620 1 GB DDR3 GPU. I bought an ASUS AMD Radeon HD 7850 GPU. I was talking to some friends who have built computers before, and they recommended I upgrade the PSU. The one that shipped with the computer is a 460-watt PSU.
I upgraded to a DiabloTek 575 Watt PSU.

I received the GPU and PSU. I proceeded to install both into my computer. The problem is when I attempted to turn the computer on after I installed the PSU and GPU. I received 3 short beeps from the computer, the monitor received no signal, and the light on the power button went from white to orange. I then switched back to the original PSU and GPU. And the same issue occurred again.

I then brought the computer back to the store I purchased it from. They said it was still under warranty, and they would fix it. I received it back today. I asked for a report of what they did, and the report stated that they put a new DVD-RW drive in, and restored the software. The guy at the repair center desk stated that I might have had a boot-up virus.
I then, yet again, proceeded to try and install the PSU, and GPU. And received the same issue. I then took out the new GPU, and reinstalled the old GPU. And it proceeded to work fine.

I still have the 575-watt PSU installed, and the computer is running fine. I tried to look into any possible issues that might be occurring. And a lot of other forum posts stated that the issue could be a lack of enough power. And that I should look up in the motherboard's troubleshooting manual what the beeps mean.
However, I looked all over, and I can't find the manual anywhere. I proceeded to google it, and I could not find it anywhere. Even the HP-support website does not have the manual.

Any help is greatly appreciated.
Thank you. :)
- Brian
3 answers Last reply Best Answer
More about asus amd radeon 7850 run signal monitor beeps orange power light boot
  1. Best answer

    This new PSU you bought should provide enough power to start your PC. Are you sure you connected both PCI-E power connectors to your card? Have you cleared your CMOS prior to installing your card?

    Best regards.
  2. Thank you, that actually worked. I had to clear the CMOS. When I went to do it through the BIOS however, it did not allow me to do it. So I looked up where the jumpers were. And it took me about a half hour to find the damn thing. But I got it to work.
    Thanks again.
    - Brian
  3. No problem :) Glad you made it.
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