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Question Plugged data cables out and then back in and now PC won't start

Feb 12, 2020
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To begin with I have 1HDD and two SSDs in my PC. Until 10 minutes ago only 1 of the SSDs and an hdd were on use. I tried to run all three, but PC wouldn't start. I unplugged new sad and PC started just fine. I figured is was too much power usage and just didn't use it
Fast forward to today I was looking into cloning my in use 100gb ssd over to the 500 gb sad. The Is is on the 100 ssd so I unplug my 1 tb hdd and plug in the 500 ssd. PC doesn't start. I then go back to the original configuration, but PC still doesn't turn on. I don't know what happened. I went back to original plug one but it's not starting and I'm distressed as hell I don't know why it's not turning on.

I tried plugging out my GPU nothing works PC will not turn on.
 
Feb 12, 2020
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The Mobo is months new. It's an rog strix b450 and PSU is evga 1000w

It was just working. I plugged out the cords, then plugged the satas back in and now nothing. How can that be? It can't just crap out because I unplug and plug a cord back in it doesn't make any sense.
 
Feb 12, 2020
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What model PSU? Evga has 8 different 1000w PSU models.
https://www.evga.com/products/ProductList.aspx?type=10&family=Power+Supplies&chipset=1000+Watts

Are you using original cables for this psu?
With non-compatible modular cables, you can kill hardware connected.
evga 1000g sorry

Thing thing Is I checked my mobo, and psu and connectors, everything seemed fine. But I went through the steps and plugged out 18 pin and cables and plugged back in securely.

PC turned back on.

But while I am gratified its back I'm still confused and honestly just at a loss. I plug out two cables and its not like I was rummaging through the stack to do so either messing things up along the way. I plug out two cables, plug em back in, nothing happened.

My pc is working now, but I don't know why so Im still agitated. Is plugging out cables from a pc and plugging them back in that much a risk that I can spend half an hour racking my brain on what went wrong?

I'm not just musing here I would love for someone to take some pity on my dumb ass and help me understand how this happened if it wasn't just unconnected cables(But I really don't think that was the case, but wtf do I know). I didn't think what I was doing was that big of a deal, then my PC I spent 2k+ on decides to just not function whatsoever.
 

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