Walked into my office last night to no power. Went to flip breaker to reset but it wouldnt as something was overloading/shorting the circuit. Finally narrowed it down to my PC (not good).

So I pulled it out of the room and plugged it into the hallway outlet but got nothing. No power. So I figured the corsair HX850 was bad. Removed it from system and put the old xfx750 black in there. Plugged into wall, turned power supply on, got a green light at bottom of motherboard. Hit the power button on PC and nothing. Will not power up.

So, maybe the power grid on the MB is bad? Not sure where to go from here. Dont want to just start buying unnecessary parts, but I'd assume at least the board and PS need to be replaced. Any ideas?

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Posted by ILikeLSUToo

Central, LA

Member since Jan 2008

18018 posts

Posted on 2/4/15 at 8:28 pm to whodatfan

First, be sure you connected the old PSU correctly (CPU power + 24-pin, etc). If you're sure that it's all connected correctly, then that's bad news.

quote:
Dont want to just start buying unnecessary parts

Yeah, that's the trouble with diagnostics. Only so much you can test without swapping out parts, so start with a motherboard.

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Posted by Doldil

The Ham

Member since Jan 2010

6214 posts

Posted on 2/5/15 at 8:50 am to whodatfan

When my PC started tripping my breaker I had to replace to power supply. Hasn't done it since.

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Posted by Catman88

Baton Rouge, LA

Member since Dec 2004

49125 posts

Posted on 2/13/15 at 3:55 pm to whodatfan

Normal fix for that is to unplug the power from the motherboard to release the short. Wait and then plug back in. If that doesn't work likely bad PS or MB.

Oh damn just read bottom post.. That's not good

Are you using same power cable?

This post was edited on 2/13/15 at 3:58 pm

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