Motherboard light is on, PC won't start for at least 5 minutes.

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Rtotheaze

Rtotheaze

Honorable
Aug 18, 2013
13
0
10,510
Things I've tried.

Changed CMOS battery
Tested power button (Touched the two pins with a screwdriver)
Dismantled and rebuilt entire PC.
Updated the bios
Tried and tested with one stick of ram, alternating each.

I'm almost sure its the PSU, since this started happening after a power cut. When I hit the power switch it does nothing, but the motherboard light is on and it also makes a slight noise. All the peripherals will light up if I disturb them, even the Xbox controller does a single vibrate when I connect it. Weirdly enough it will often start up when I plug the controller in, but not always. Once the PC is on, it runs perfect not even a hiccup.

My system is:

Operating System
Windows 10 Pro 64-bit
AMD FX-8350, Vishera 32nm Technology
16.0GB Dual-Channel DDR3 @ 936MHz (9-10-11-27)
ASUSTeK COMPUTER INC. SABERTOOTH 990FX R2.0 (Socket 942)
AX760 ATX Power Supply 760 Watt 80 PLUS® Platinum Certified
8192MB ATI AMD Radeon R9 390 Series (MSI)
119GB SanDisk SD6SB1M128G1022I (SSD)
931GB Western Digital WDC WD10EZEX-00BN5A0 (SATA)
465GB SAMSUNG HD501LJ (SATA)
 
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Rtotheaze

Rtotheaze

Honorable
Aug 18, 2013
13
0
10,510


Unfortunately no way of testing it in another machine. :/ This is why I'm a little bit hesitant at sending it back, I'm not 100% sure it's the PSU, but surely if it was anything else it would have shown more signs? It's just weird that it doesn't initially power up, but once powered it runs perfect. Surely I'd experience some sort of blue screens?!
 
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lumineZ

lumineZ

Honorable
Jul 25, 2017
1,803
21
13,165
Late reply... sorry.

But came to thinking if you can just check one thing and it is an easy check.

You know your power button on the case. That is connected to your motherboard.
Unplugg it from the motherboard and use a small screwdriver to "jumpstart" the system ( touch the 2 pins that the power button was connected to with the head of the screwdriver). If this makes it boot up right away. Turn if back off, wait 10 seconds and jump it again. If this works again... well its just your Power on button on the case that is faulty by some odd reason.
 
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Rtotheaze

Rtotheaze

Honorable
Aug 18, 2013
13
0
10,510
Yeah that was what I meant in the original post when I said I tested power switch. I've had to just send it back and hope that fixes the issue. Lucky for me it was still under a year old so Amazon replaced it with no questions asked.
 
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