My Pc Won't Turn On Please Help!!

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Sir, Recently I Buy A PC Having
RAM:1*8Gb Stick
Processor: Intel I-3 7100 LGA 1151
Motherboard:MSI H110M PRO-VH PLUS
Graphic Card:Asus GTX 1050Ti

I Buy This PC Just Two Months Ago But In The Morning, I Get shocked When My PC Won't Turn on.I Google it Then I think there is a Problem in my PSU, so I Replace It But After Replacing Power supply Nothing Happen, My PC won't Turn On And All Cable Seems Tight and fine. plz Help Me!

May be My CMOS Battery get damage Because Due to exam I Don't turn on for 1 months.

 

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What's the W output of the old PSU and the new one? If your new PSU has less W then the old one that might be the problem

Same Output 450W And Thanks For your Reply Sir Plz Help me

 

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Bro Is it Possible That I connect 24 pin connector in wrong Way
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Shouldn't there be power to the HDD?

Yes By A SATA cable Coming from PSU

 

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Good, it just sounded a bit like the 24 pin was the only thing you had connected so I was just making sure

As for the 24 pin, it should clip into place. It might be connected properly but not all the way. And if you look at the rounded corners they should match up with the socket.

And you didn't forget the power to the graphics card? (It should start without this though but without any video)

It's of course entirely possible that the problem wasn't the PSU to begin with but something else.

I'm sorry if I can't be of more help them this hopefully someone else can help you.

Ok. bro Thanks for Response. I connected 24pin Correctly And also A 4 pin Connector to the Mobo and My graphic card Doesn't require Any Power Input.
Vikin I understand That You will Have To complete To Complete Your sleep But After completing Sleep Plz help Me I Will be Waiting fro your Reply

 

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That's My Mobo Image