EX58-UD5 - No POST screen and error 88 on LED readout

[Dark Mantis]

Please see my edited post above.

[will_m]

I've managed to get hold of another PSU for tonight so that will hopefully rule out that and let me focus on the CPU if its not indeed been the PSU all along.

[Lsdmeasap]

Your CPU socket looks ok to me, I don't see any bent pins, and Gigabyte would have found and fixed them if there was previously when you RMA'd.

Let us know how you get a long testing with another PSU, sounds like it's either your other one is going bad or it's not fully compatible, or your CPU is faulty.

[will_m]

O.k so I managed to borrow a PSU. Once it was installed the system booted 50 times without issue so I immediately thought I had found the cause of the problem. I then put my old PSU back in and annoyingly it just kept posting fine over and over again, after about 35 successful boots I decided to put all the cabling back in place and the sides back on etc, it immediately failed to post 5 times in a row and counting.

I can't help but think that its a cabling or connection issue, is there anything like this that would stop the board posting? That said I still might just have been lucky with it posting the 35 times and that it could still be the PSU as it was still not posting even when the board and PSU etc were all taken from the case. Unless there is a problem with a connector etc on the PSU?

I actually thought of taking this to PC world yesterday that's how desperate I am. The thought crossed my mind and then I shuddered.

[Dark Mantis]

I actually thought of taking this to PC world yesterday that's how desperate I am. The thought crossed my mind and then I shuddered.

Horrible vision!!! Please no more of that sort of talk. Besides if you can't sort it what chance have they got 

It could well be a broken wire inside one of the cable bundles. If it is only the inner core that is broken you wouldn't even see it with the insulation around it. I feel that it is just too much of a coincidence otherwise. I take it you have checked all the pins in the connector blocks to make sure they are all fully home and firm?

[will_m]

I've triple checked all the PSU connectors and pins etc and all of the fan connectors etc and all seem to be fine but like you say I can't really check the actually wire cores in any of the cable bundles. After I did put everything back together and it didn't POST about 5 times it then POSTED successfully a few times after that without any moving of cables etc and then failed to POST straight after. I'm guessing if there is a break or something in the PSU cables that its done for anyway?

[Dark Mantis]

Yes that would be about the size of it I'm afraid. As I said I think it is too much of a coincidence to be anything else. It could just be a dry joint in the PSU itself where the cabling is joined to the circuit board  but that would be extremely difficult and time consuming not to mention DANGEROUS for anyone unqualified to try and find.
I think you will just have to replace the PSU and be done with it. As I have said before don't buy anything that isn't quality and powerful enough. You need a single rail 12V with ample power.

[Lsdmeasap]

Ya sounds like a bad cable somewhere, or a short?

[will_m]

Cheers guys have ordered a new PSU which should arrive tomorrow so I guess we'll know for sure then. Hopefully if it is a fault then I can get a refund on the old one.

[Lsdmeasap]

Great to hear, hopefully this is the issue so you don't have to keep looking!

[will_m]

Just wanted to report that it's been about 2 weeks with the new PSU and all is now running smoothly. Oddly enough I posted a video of the problem on youtube and a few people have had exactly the same problem with the same PSU...

I'm now seeking a refund from overclockers but they have said they wont have it back and that I need to return it to Be Quiet, which sounds like it could be a pain.

Thanks for all the help guys.

[Dark Mantis]

If you purchased it recently and it is faulty or "not fit for purpose" then your contract is with the retailer never mind what they try and tell you it is your rights under the Consumer Act.

[will_m]

It's been about 14 months so they have washed their hands of it, not really sure what I can do 

Anyone dealt with be quiet returns before?