I took my cpu out and now my motherboard light is not even coming on

K1LLSW1TCH1

Distinguished
Mar 8, 2016
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So I was changing my thermal lasted and I took the cpu heat sink out to clean it and I put it back in put my cooler on with new paste and my comp would not turn on then I realised the green light is not even coming on my mother board the worst part is I'm worried I've fried the mb and everything was connected it started working again randomly and I pressed the power button and it just turned on then turned off and keep repeating so I turned it off and took out my graphics card now it's not working at all idk what to do I'm not sure there is anything I can do... Pls help
 
Solution
Well, you obviously did something wrong, redo it again but with more feeling eh !
Hope you disconnected power completely during any work done.