PC RAM Upgrade not working

A mate of mine has been planning on upgrading his system by himself - with a little input from me.
He's an old boy learning the ropes as a hobby and wanted to come out the otherside with an acheivement.

PC = HP Pavillion Media PC M8070.uk
Attachment 28776

Originally Vista, upgraded to Windows 7.
Comes with 2x 1GB RAM DDR2 PC2-5300 555... THIS.

OK Cool. Upgrade required.
So look up details of the Systems Motherboard -
http://h10025.www1.hp.com/ewfrf/wc/d...roduct=3443306

Nice. Discover board supports 4x 2GB DDR2 PC2-5300 (667 MHz). Sweet. 8GB/Quad Core system.

Revisit eBay and Buy -
4GB(2x2GB) DDR2-667 PC2-5300 Non-ECC Unbuffered Desktop PC Memory Twice

Memory arrives, perfectly packaged, safe and sound. Installed in PC... Nothing. No beeps, no moaning, no BIOS screen. Blackness.

So, think to self, Upgrade the BIOS, just in case. Visit HP's site, no BIOS files, not even the original for this systems motherboard.
It's on v5.04 and I have googled and investigated that v5.09 DOES exist, but is like gold dust since HP do not host it. Found it on MediaFire... but install BIOS from mediafire? I think not.

Anyone able to help with this, been an ongoing issue for a couple of weeks now and cannot for the life of me work out why it's not worked.

--edit
No idea why the [UPDATE] tag come up. Clicked [HELP] - as I'm completely usless and can't work this out myself - but can't change it now! A SMOD about? :)

High density ram = very picky
Buy some decent stuff

Have you tried 1 stick at a time ?

Quote:

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Originally Posted by riget

High density ram = very picky
Buy some decent stuff

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Got to admit, didn't notice that. Perhaps thats what it is. I'll get him to return it and get hold of some Corsair or Crucial.
Just the price of DDR2 is ridiculous.

Quote:

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Originally Posted by plug1

Have you tried 1 stick at a time ?

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Yeah, tried that. Still no go.

I had a look at the eBay ad , it says the ram only works on amd chipset ,that will be the problem .

Don't bother with RAM form ebay no end of pain

i always buy from here - http://www.crucial.com/uk/upgrade/HP...-upgrades.html

never once had to return the ram that i have bought for people

I have to back up with the Crucial post.

I tried ebay in the past and ended up with the wrong stuff/broken stuff etc.. Crucial has a tool that will choose the right one for you and I have never had an issue (until now.... it is bound to happen).

DIMM ranking can occasionally cause issues.

It's because it's high density ram, it only works on amd chipsets , the eBay add says that at the bottom ,