Help with HP ProLiant ML370 G3 not booting

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20 Oct 2002
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680
Hi All,

I hope you might be able to help us out.

We have an old (over 5 years) HP ML 370 G3 which we were in the process of retiring. Unfortunately before we had a chance to get everything off it, it fell over at the weekend, and now wont boot or even POST.

When you plug in the power cable the fans spin for about a second, the fan lights go green and you get the HDD lights come on along with some green and amber LEDs on the motherboard and then it just cuts out. We get no beeps, no obvious red lights nothing. It’s like it gets power and then decides nope not going to turn on.

Spoke to HP and they diagnosed we need a new main board or power supply or power back plane. So we ordered all three. They arrived and we fitted them and sadly the problem remains. Spoke to HP again who still think it is the motherboard and that the one we got was DOA but I can’t see it being DOA and having exactly the same problem. I would have thought a DOA board would be just that, dead. You can even click then UID LED on and off when it’s plugged in, but it won’t come on.

Has anyone had this before, have any idea what it might be or have any ideas how we can further diagnose it? We have done the usual take the second CPU and VRM out, try it with just the one, swap them over, take out the RAID controller, RAM, swap them around etc.

Any thoughts would be appreciated. Thanks :)

Matt
 
Thanks for the reply. Yeah we have tried unplugging all the bits not required and got it back to barebones but still nothing. What are the odds of it being the CPU or the VRM? The thing is if you take them out and try to boot the LED's come on near the VRM and CPU. If the CPU or VRM was dead would it not put the LED's on even when they are seated?
 
Thank you for all your help and replies.

Managed to get a new CPU off eBay, fitted it and problem solved! Weirdly though the processor that failed (i.e. it does not post/boot if it is in bay 1) works fine if it is in bay 2 along with the new processor in Bay 1. Odd and time to retire this one I reckon!

Thanks again :cool:
 
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