Is my PSU dead?

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Parafly

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May 3, 2012
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I have a Raidmax Hybrid 630w PSU for a few months now. I recently upgraded my PC.

I had a HP d5200t ATX with an IPIBL-TX motherboard, q9550 processor, and an Radeon HD5850.

My processor and DDR2 ram I had was slowing me down when video editing in Adobe Premiere.

I upgraded to a new processor (Core i7 3770k) and a new motherboard (asrock z77 extreme4) with upraded RAM (16gb corsiare enthusiast)

I transplanted and all was well for a few days (I did end up reinstalling my OS). well, yesterday when was rolling around near my desk, my knee slightly bumped the case, and the PC just shut off.

Now, i can't get it to turn on again. I tried disconnecting the cable for a while, then plugging it back in. I press the power button, the LED on the power button comes on briefly, and then it shuts off. the motherboard, fans, nothing turn on at all.

I'm guessing it's the PSU? I never reinstalled the 5850 yet as I am also gettin ga Gforce GTX570 because Adob Premiere takes advantage of the CUDA cores for rendering. I did have the 5850 in earlier when rebuilding but i oculdn't get the PC to boot so I ended up taking it out while finishing the reinstall of Windows.

I'm hoping I didn't do any damage to the new mobo or chip. I did wear a static arm band the entire time I was working. It cleraly happend the moment I bumped my PC.

All the standoffs are fine so I don't think anything short, but I might be wrong...
 
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Parafly

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Hmm well interestingly enough I disconnected my PSU just now, reconnected it again,and now I am able to boot up. Is this a sign of hte pSU going bad? is it a good idea to leave the computer off for now to avoid any damage until I get a new PSU (I ordered a Corsaire 750w HX Modular to replace the admittedly poor raidmax psu i had.

Still makes me nervous that I bumped the PC and it shut off. seems to be totally fine now.....
 
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Rugger

Rugger

Splendid
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It really sounds like a loose connection more than a dying PSU. With no discrete GPU, that admittedly bad PSU is more than sufficient for your rig. If you need the PC, then use it until you get the Corsair. If you don't then minimize usage to be on the safe side.
 
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Parafly

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a loose connection within the PSU? I double checked the 12V and 24 pin cables and those seem solid.

When it shuts down, I wasn't able to power it up right away. I had to "unplug" the cable from the outlet and wait a few minutes, then toggle the switch on the back of the PSU before I heard that slight "whine" of the PSU being powered on.
 
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Rugger

Rugger

Splendid
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I was thinking a loose power cord into the PSU, but based on your explanation that's probably not the case. The 12V and the 24pin cables have latches on the side that catch on a lip on the connector heads on the mobo; can you tell if the connectors are seated and the latches have caught the lip?

Do you have another PSU that you can test in this system? This could definitely be a bad PSU.
 
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Robi_g

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what are temperatures on CPU etc... could be an overheat that caused the PC to shut down but it's more likely to be the PSU.
Could be a loose connection between the PSU on/off switch which might explain why you had to toggle it a lot
 
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Temps are like 35 celcius, literally when I just turn it on, I wasn't doing anything intensive at all, actually I wasn't even using the desktop I was using my laptop for work at the time
 
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Yeah I have a new Corsair PSU arriving tomorrow (was supposed to be today!!). Going to try that out and see if it helps.
 
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