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My custom built PC used to work fine, I got a new case and now it won't boot up. ***PLEASE HELP***

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October 17, 2013 1:33:11 PM

A couple of days ago i bought a new case(CiT Vantage Type-R Gaming Case) for my PC since the old one was cheap and low quality and i wanted a better one. So I took all of the hardware out of the old case and into the new one, everything plugged in exactly the way it should be. I pressed the power button, nothing happens. so i check for mistakes and it turns out the two pin connector for the power switch had slipped out. So now with the power switch properly connected I pressed the button and all the fans turn on except there is no display with the VGA cable connected to the graphics card. So i tried using a HDMI cable and it worked! I decided to put the VGA back in due to the fact that I would get better resolution from it and in the mean time I also connected the fans with the power supply and put the end of the wire into the motherboard (Asus F2A55-M LE). I pressed the power button and absolutely nothing happens. So i completely disconnected the fans from the motherboard and PSU but it still won't make a sound when I push the power button. The strange thing is that the standby light on the motherboard is on when the components are in the case which means that there must be power running through it. The other weird thing is that when I breadboard the whole system it all turns on and there is a display on the monitor but nothing when the components are mounted in the case. Someone please help I have completely run out of ideas of how to fix this.
October 17, 2013 1:52:18 PM

if it works when bread boarded then your shorting the motherboard out. make sure the mb sitting on top of the standoffs and the io shield fingers are not shorting out the back or into the usb ports on the mb. unplug the case fans and case usb cables on the mb to rule out dead short from the case cables and fans. look at the front case panel. some cases use small daughter cards to connect the buttons and usb ports see if the wires are connected right.
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October 17, 2013 1:59:25 PM

smorizio said:
if it works when bread boarded then your shorting the motherboard out. make sure the mb sitting on top of the standoffs and the io shield fingers are not shorting out the back or into the usb ports on the mb. unplug the case fans and case usb cables on the mb to rule out dead short from the case cables and fans. look at the front case panel. some cases use small daughter cards to connect the buttons and usb ports see if the wires are connected right.

i'm not using the io shield at the moment but i can see the daughter card so i'll have a look at that. But why did it work when I connected the HDMI and not the VGA?

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