Did I fry my motherboard?

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227qed

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Jan 24, 2015
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I accidentally yanked the power cord for the router out while everything was still powered up. After that my pc froze. I tried to restart it but the fans give a little spin, stop, and get nothing but a blank screen. Did I sent all the electricity to the motherboard through the Ethernet cable and fry it? If so, it's a brand new motherboard and still under warranty, is it likely they'll be able to tell it was a power surge and not cover it? Please help!

Thank you
 
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Darkbreeze
I always recommend connecting case fans to the motherboard fan headers anyhow, except in situations where there are not enough of them on the motherboard. Even then an aftermarket fan controller like the NZXT Grid+ v2 is usually a better option than the cheap integrated fan hubs that get included with some case models. It would seem then that not everything inside the case, in regard to connections, was "all good" then. Either way though, glad you got it sorted out and good luck to you.
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227qed

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Jan 24, 2015
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Thanks for the quick input. I was moving cables around, trying to clean everything up. I suppose it's possible something on the inside came loose, most likely the power supply connectors--does that sound more like it? Would the fans still power up if the CPU went bad? It's a brand new Seasonic X series power supply too so I doubt that went bad. Must be a connection then right?

I don't feel too good about taking everything apart to check the connections, I would hate to get some static in there as I've never opened up a PC before..until today when I verified that all the connections I could see were good. The power supply is buried in a different section of the case and I don't wanna take it apart that much. Best to just take it to the shop that did the assembly tomorrow I guess and hope they just didn't secure the psu connectors properly and can diagnose and fix the problem in a few minutes free of charge. Fingers crossed, I just spent way too much money upgrading it for reliability after my old mobo went bad. Got a bigger case, fans, new psu, and new mobo and then this happens. I will not be happy if I just blew up my new mobo so my external cables would look cleaner.
 
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Darkbreeze

Darkbreeze

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Jun 24, 2014
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Nothing on the inside should come "loose", especially not PSU connections, by doing anything on the outside of the case short of throwing it on the ground or dropping it a good distance. More likely would be that something isn't reconnected properly or firmly seated on the outside, or that you've bent a pin on one of the cables plugged into the back of the unit.

Now, if you were managing cables INSIDE the unit, that's an entirely different story and you'll want to check everything listed at the following link:

http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems
 
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227qed

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Jan 24, 2015
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Thanks yeah, I ended up checking everything on the inside and it's all good. I've checked the outside several times. I did accidentally put the display port connector in the HDMI slot on my monitor in my frustration and haste...hopefully that didn't fry my gpu. Gosh, what a nightmare. But I'm usually really careful to plug everything in right and that little oops happened after everything quite working and I was trouble shooting of course.
 
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Darkbreeze

Darkbreeze

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So, try unplugging the power cable from the wall, put everything in a box...nah, just kidding.

Unplug it from the wall, take the side panel off, remove the CMOS battery for about five minutes, WITH POWER DISCONNECTED FROM THE WALL, then put the CMOS battery back into the motherboard, paying attention to making sure the correct side is facing down, reconnect power to the unit and try to boot the system.
 
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227qed

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Jan 24, 2015
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Thanks for the tip, I got this too late though and just dropped it off at the store that did all my installation for me. We'll see if it's something I did or if they didn't hook something up right. Or if I'm just really unlucky and got a bad component in the new batch. Will keep this updated, hopefully I'll know something tomorrow.
 
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227qed

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Jan 24, 2015
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So I guess there was a problem with where my fans hook up in my case, phentaks enthoo pro. So the guy there hooked them up to the mobo instead... Not really sure what went wrong exactly but I'm just glad to be getting it back so I can carry on with Dark Souls 3. Probably won't fuss with trying to return or exchange the case.
 
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Darkbreeze

Darkbreeze

Retired Mod
Jun 24, 2014
80,414
7,632
176,790
I always recommend connecting case fans to the motherboard fan headers anyhow, except in situations where there are not enough of them on the motherboard. Even then an aftermarket fan controller like the NZXT Grid+ v2 is usually a better option than the cheap integrated fan hubs that get included with some case models. It would seem then that not everything inside the case, in regard to connections, was "all good" then. Either way though, glad you got it sorted out and good luck to you.
 
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