Self Build Post / Boot

Associate
Joined
8 Aug 2010
Posts
48
Hi guys,
Wondering if you can give me a little bit of a hand. Have self built machine just over a yr now, working perfectly up till now. Without me making any changes hardware wise (possible windows update) it now has started to not boot or post.
Symthoms :
Machine turns on, chasis, CPU and GPU fans startup.......... no beep and then chasis and I believe CPU fan increase RPMs and machine sits there.

Things Ive noticed :
My RAM which has LEDs will, after the fans initially startup, light up and LEDs will display load through RAM. - This is not happening.
I could stop and restart the machine 50 times and it may come to post and boot one out of the 50 if I am lucky.
If I leave the machine plugged out for a long period (12 - 18 hours) the machine seems to post and boot 1st time 98% of the time.

Troubleshooting steps taken:
This is not in a particular order but..
Mobo swapped out
RAM swapped out
GPU Swapped out
All peripherals inc HDDs plugged out
All chasis fans plugged out
PCI Wireless Card out

Comment:
You'll see from my spec below that Ive a ASUS P5E which I know has had some issues with RAM voltage etc and I am wondering if anyone can explain this to me and if there are settings in my BIOS I can look at to figure this out. Everything in there is set to auto at the moment. Also attached are the screenies of BIOS.

I am thinking its PSU but before I go off and buy a new one I just want to make sure as will spend a good bit of money on a decent PSU.

SPEC:
ASUS P5E Socket 775
Intel Q6600 2.4GHz Go Step
Ballistix Tracer 240-pin DIMM (with LEDs), DDR2 PC2-6400 memory module
BFG NVIDIA GeForce 8800 GTS OC 512MB PCIe 2.0
2 500gb sata
3 x 2.0 USB Devices
5 Case fans
Linksys WMP600n
 
Last edited:
I could stop and restart the machine 50 times and it may come to post and boot one out of the 50 if I am lucky.

I would say it's the PSU. Just so happens that every now and again it manages to output enough juice to boot the system but the rest of the time it's failing. What brand/wattage of PSU do you have?
 
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