Absolute nightmare. Rig is dead, can't figure out why.

kissenger said:
Yes mate. Tried multiple GPUs. Reset CMOS. Tried every ram configuration possible. Unfortunately I don't have a multimeter or second power supply though.

I wouldn't have thought a 750w PSU would have any problems, but what if you consider it's 3.5 years old and been used 7 days a week for probably 10 hours a day.
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They're designed to take that sort of abuse. I've been running my 750W PSU for nearly 4 years. Sometimes it's 24 hours a day. It's not a Corsair either!

It's very much looking like the PSU now. To answer your question earlier. Yes, a faulty PSU can still very much power up leds on the mobo and make fans whirr... they can even power everything, hard drives, fans, optical drives... but not POST (No display) It's not uncommon either.

Right?

No other PC's in the house? At all? No friends with a PC?

If you lived close by... I'd help out. Maybe another forum member living close by could help? Pay the petrol and have bragging rights.
 
Try a different wall socket that you plug your rig into. Especially if you use multiplugs/extension leads.
 
kissenger said:
Tried different plugs, without any extensions. Didn't work. No one I know with a PC either :(

Probably just going to buy this:

http://overclockers.co.uk/showproduct.php?prodid=CA-051-BQ

And then RMA my TX750 and sell one of my PSUs when I get my replacement. Do you guys think that PSU in the link is decent? Good enough to run a GTX 570 and Q6600?
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That's really cheap for a 600W PSU. Definitely worth a punt at 50 quid. It's more expensive elsewhere. Really cheap here on OC :)
 
Get a multimeter on the main mono connector to see if its putting out 12v, you say the lights come on but no doubt there from the 3.3v output. Consult your pay manual or look online for an atx pinout if your not sure what to prob. Should be black as ground and red as 12v though.
 
As above, get a multimeter and check the outputs on the 24pin and the 4/8 pin (if reqd).

You MB manual (looks like page 13 and 14 from EVGA's website) should detail what it's expecting on each of the pins so you should be able to check quite easily that each of the outputs from the PSU is OK.
 
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I would go to a local PC shop and buy a PSU, if it doesnt work pack it back up nicely and return it, tbh if you boot with 1 stick of ram on the bench with a new psu and on your 2nd mother board with no gfx card in and it still does it you must be plugging in something wrong on the board or all the ram is bust which is unlikely. Have patience though you will solve it.
 
schnipps said:
I would go to a local PC shop and buy a PSU, if it doesnt work pack it back up nicely and return it, tbh if you boot with 1 stick of ram on the bench with a new psu and on your 2nd mother board with no gfx card in and it still does it you must be plugging in something wrong on the board or all the ram is bust which is unlikely. Have patience though you will solve it.
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The local shop would be in it's rights to tell you politely no returns. :)
 
Well, just installed the new power supply and guess what... same error.

Nothing works on this P.O.S. rig. What could the problem be? I've tried two PSUs, two mobos, two GPUs, two different types of ram... Is it the CPU? Should I start looking for a Q6600 on the MM?
 
Sorry to hear that. Stuff like this sucks. Someone told me that a dead CPU is a very rare occurrence and that problems like the one I've got usually stem from the mobo/PSU/RAM before the CPU.

But yeah, from a basic process of elimination a dead CPU seems more and more likely.
 
Nobody's got any advice for me? I'm pulling my hair out over here :s

Some new information: there is an LED directly underneath the CPU cooler fan connector. When I turn the power on to my rig that LED flashes red. Could that be something to do with why my rig won't post? I read on another forum that that red LED indicates a problem with the CPU or the cooler. I have already reseated my CPU and heatsink/fan several times already though, and that didn't help.

The fan connector has 4 pins. The plug on the fan stuck to my heatsink is only 3 pins. Does this even matter. What could be the problem here?

Is there anything I can do to test whether the CPU works, besides trying it in another rig (I don't have another one to test on)?
 
Okay, just got through trying the very last thing I could think of: removing the cooler backplate altogether to make sure that's not shorting anything and trying to boot just holding the CPU in place. No good.

The CPU must be dead. If anyone is looking to offload an old Q6600 (or a better 775 socket CPU), let me know because I'm looking to buy.
 
Have you taken the CPU out and inspected it? perhaps some damage may have been done during cooler install?

Can you make your rig back to it's original hardware i.e. downgrade back to your old gnu and cooler. -Just a thought-
 
I've just upgraded my e6600 dual core (has been perfect for years) to an i5. It's sat idle in a box so let me know if interested. None of the original packaging I'm afraid.

Thanks:)
 
Try your previous cooler (or stock one) or reseat your current one... also try the Motherboard outside of the case. It sounds like you're shorting something.
 
I recently suffered a dead CPU, system would turn on, fans would spin but no POST or beeps.
I'd see if you could get hold of another one to try. Given that it was your cooler that was changed shortly before it died, I can't see why CPU wouldn't have been considered one of the main culprits.
 
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