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PC won't power on, PSU works need help please.

Last response: in Motherboards
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July 16, 2013 6:35:40 PM

First off my pc is;
Intel i5-2500
Asrock z68 pro3 gen3
Corsair TX650
Msi GTX 660 TI
8 GB RAM (2 sticks)
and a 500GB HDD, No CD R/W

Ok so what happened is my pc was running fine as usual, no problems. Every part is only 1 year and 3 months old, I shut down the system and the next day it would not start up. I tried different power cords and then contacted Corsair customer support.
They had me place a paper clip into the green and (any) black wire on the 24 pin connecter, they said this simulated the motherboards power signal. My PSU turned on so i'm pretty sure it's the motherboard. What would I do to troubleshoot it, and is there anything I can do or could it be something else?

More about : power psu works

a b V Motherboard
July 16, 2013 6:43:58 PM

This happened to my friend, what happened was some of the connecting pins on the MOBO were not touching the pads on the CPU. Does your MOBO have any kind of error reporting (beeps, flashing LED's)? If so, look at your MOBO manual. If you are not getting any kind of error whatsoever, it is most likely your CPU/Socket that is having the problem. Your RAM and all other components should give you a BIOS error, but you should at least be able to boot. It could mean replacing the CPU and MOBO, hopefully you're still under warranty.
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July 16, 2013 6:58:51 PM

How would the CPU pins become disconnected overnight though? There's no error beeps or lights. I will reseat my CPU and see if that does anything. Any chance it's just the 24 pin connector on the motherboard?
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a b V Motherboard
July 16, 2013 7:02:07 PM

No. What I've learned over the years: PSU's are F-ing reliable. They rarely every break down (unless you get a really crappy one) and its usually the fragile Mobo or CPU.

Re-seating the CPU might fix it. I think its a Mobo/CPU problem.
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July 16, 2013 8:03:00 PM

Yeah pulled off my heatsink and the cpu, re seated them and still nothing. :[[[[
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a b V Motherboard
July 16, 2013 8:06:41 PM

Id look at using those warranties you have...
Unfortunately its come to this.
Replace the Mobo first (unless you want to do both MOBO and CPU at the same time), then the CPU if that doesnt fix it (because the MOBO is most likely the problem).
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July 17, 2013 10:41:58 AM

You think so? It's 3 months over it's 1 year warranty >.> I don't know how Asrock is but i'd hope the would replace a product that defunks one month after warranty. The CPU still has 2.7 years left on it. Would you try to RMA the CPU or should I buy a whole new mobo?
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July 17, 2013 11:38:45 AM

Now thinking about it i'm thinking maybe when it's been moved or I take, and clean it my heatsink, since it's a huge hypermaster 212+ evo the kinetic energy being placed on the could have exerted force onto the CPU, in turn bending a few pins in the socket to the point they aren't touching the CPU pads. :[[[[[ Sound plausible?
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a b V Motherboard
July 17, 2013 12:01:42 PM

Yes, it does. Since you have your CPU under warranty, I'd replace that and see if it fixes it. Also, in contact as rock and see if they'd be nice enough to replace it. Just tell them that you're just over warranty and you think the mobo malfunctioned
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July 17, 2013 12:35:11 PM

I contacted Asrock first because my CPU looked fine yesterday when I reseated it. I didn't look at the socket pins though. So i'll wait for them because for Intel I have to pull my CPU out, take off the grease and obtain the FPO number.
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a b V Motherboard
July 18, 2013 8:56:24 AM

Tbrown37 said:
I contacted Asrock first because my CPU looked fine yesterday when I reseated it. I didn't look at the socket pins though. So i'll wait for them because for Intel I have to pull my CPU out, take off the grease and obtain the FPO number.


Good idea, I hope you can get this sorted out without paying anything more than shipping costs.

Note: just cause the outside of your CPU looks fine, doesn't mean the inside is OK.
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