Built a Pc turned it on then it turns off then on again.

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swagpapi501

Reputable
Nov 16, 2014
2
0
4,510
I just recently built a computer, all the parts and cables are connected. But when I turn it on it stays on for a few seconds then turns off, then back on (repeating the cycle). How do I fix it?

My specs:
-Intel Core i5-3470 Quad-Core Processor 3.2 GHz 4 Core LGA 1155 - BX80637I53470
-MSI LGA1155/Intel B75/DDR3/SATA3 USB 3.0/A&GbE/MicroATX Motherboard B75MA-P45
-ASUS(PCE-N15) maximum performance Wireless-N Network Adapter ( 300Mbps Transmit / 300Mbps Receive) with PCI-E interface, Include Full Height and Low Profile bracket, WPS button Support
-EVGA GeForce GTX760 SuperClocked w/EVGA ACX Cooler 2GB GDDR5 256bit, Dual-Link DVI-I, DVI-D, HDMI,DP, SLI Ready Graphics Card (02G-P4-2765-KR) Graphics Cards 02G-P4-2765-KR
-Corsair Vengeance 8 GB (2 x 4 GB) DDR3 1600 MHz PC3 12800 240-Pin DDR3 Dual Channel Memory Kit (CMZ8GX3M2A1600C9)
-Corsair Builder Series CX 500 Watt ATX/EPS 80 PLUS (CX500)
-WD Blue 1 TB Desktop Hard Drive: 3.5 Inch, 7200 RPM, SATA 6 Gb/s, 64 MB Cache - WD10EZEX
 
Solution
EndGamerGuy
You may have to open your case to fix this but just double-check all your cables and such to see if they are secure and in the right orientation. I doubt that will fix anything but I still have to rule out the easiest options first. It sounds like it may be your Power Supply so if you can check the switch on it that should say something like 110 and 215 beside it, it is your voltage selector. If you live in North America put it into the 110 slot(it may be different but it will be around 100), if you live in Europe or Australia put it to the 200 option. If you did switch it try to see if that helped. If you're still having problems try disconnecting all unnecessary hardware and see if the computer will start without your problem, meaning...
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EndGamerGuy

EndGamerGuy

Honorable
Oct 15, 2013
140
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10,710
You may have to open your case to fix this but just double-check all your cables and such to see if they are secure and in the right orientation. I doubt that will fix anything but I still have to rule out the easiest options first. It sounds like it may be your Power Supply so if you can check the switch on it that should say something like 110 and 215 beside it, it is your voltage selector. If you live in North America put it into the 110 slot(it may be different but it will be around 100), if you live in Europe or Australia put it to the 200 option. If you did switch it try to see if that helped. If you're still having problems try disconnecting all unnecessary hardware and see if the computer will start without your problem, meaning just the Power Supply the Motherboard and the CPU. If the computer starts with all the basic components then continue to add another component one by one to see which one is causing the issue. If this does not work it could ultimately be a faulty or bad power supply or there could be a problem with your power button as well.
 
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