My computer does not work and I have no idea why

System Information:
ASUS M4A87TD Evo (Motherboard)
AMD Phenom II x4 965 Black Edition (CPU)
Radeon HD 4890 (Graphics Card)
8 GB Ripjaw Series (Memory)

Prepare for an earful.

About 3 months ago my adventures with this computer started. I had a
couple of somewhat seasoned computer builders walking me through buying
and putting together a computer. I put it together and turned it on but
the only reward I received for my effort were fans running. I didn't get
any picture on the screen nor any start-up/error beeps from my internal
speaker. I tried: with only one stick of memory, no memory (trying to
bait some error beeps), no graphics card, everything unplugged aside
from the CPU and motherboard, but to no avail. I didn't have many extra
computer parts lying around to test against it but I was able to test a
different graphics card in my motherboard and there was still nothing
appearing on the screen or any error beeps. The graphics card went back
to it's owner and he informed me it was still functional in his

My friend and I then decided it was most likely the motherboard that
was causing my issues and I RMA'd it to ASUS and had a new one shipped
to me. I got it back and I was faced with the same issues I had been
with the last motherboard. I tried all my old trouble shooting attempts
and I still get nothing. No beeps, nothing but fans.

I do not understand why if everything in the world was broken why I
wouldn't be getting error beeps unless the speaker itself was broken.

A few extra notes about the computer: The monitor is a VGA and the
graphics card is a DVI so I had to use an adapter between the two which
of course it's possible that is the issue as well but it still doesn't
explain my lack of beeps.

I have to use an adapter for the power cord going to my graphics card too.

That is about every piece of information I can give you about this
computer. If you have any tips for trouble shooting, or perhaps are a
miracle worker and can revive it with voodoo dolls, any help would be
greatly appreciated.

I don't have access to any computer parts to test
against it, not even the graphics card any more, so that isn't in my
book of options right now.

If you know what the most likely culprit is and know what I should be replacing that would be useful knowledge as well.

Thank you for reading my long post and any information you have to give.

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Clarification Request
Only WAG's

Since, you never got this system to run, then don't trust adapters. if you can at least test those elsewhere. I don't see why you need an adapter for the GPU power, most newer PSU have all the connectors needed, so either that's an old PSU or definitively lacking the right connector, I would get a newer more wattage PSU to begin with and not a cheap one either or one you tested or trust.

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Hope this helps

Okay I assemble Computers and I have had my share with hardware configuration problems .
When get my parts from the distributer , I check them . I start in the following manner .

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Thank you for the response

Following your suggestion, I think I will try buying a new power supply first. It was given to me by a friend and it isn't new nor have I heard of the brand before so I suppose that could very likely be the issue. Thank you for your input!

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Power adapter might be a clue.

Your post doesn't tell enough but there are a few clues here.

1. You might have recycled another power supply and it does not meet the needs of this CPU and board.

2. I see this has a 4 pin ATXV connection. The symptoms are what happens with that is not plugged in.

3. Some boards come jumpered in clear cmos and won't start.

4. One board had a typo in the book about the reset connection. Long story short is the motherboard printing was correct.

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