Homebuilt Computer Won't Turn On

Digitalps

Honorable
Jul 31, 2012
7
0
10,510
So I've had this computer for over a year and this is the first time it's really had any problems.
Starting today, the computer would randomly turn of and then reboot a few seconds later. This mainly happened when I was playing video games, but did it a few times while trying to start itself back up, and while sitting at idle.

After it had done it a few times, I unplugged the monitors and keyboards and such to open it up and dust it out (Which it definitely needed, there was quite a bit of dust). So I sprayed it out with an air can.

But when I went to go start it again with my monitors plugged back in, the monitors seemed as they were being detected, but no image was showing up. I looked online for some advice. I ended up unplugging all external devices again, unplugging the HDD and leaving just the SSD plugged, and clearing the CMOS. Nothing changed, so I tried unplugging the RAM, and plugging one back in furthest away from the CPU, and then the computer would just not power at all.

At this point I have unplugged everything from the motherboard except for the Graphics card, as it was a tight fit going in and I'd rather take it out only if necessary cause it's probably going to be a pain to get back out.

I'm going to continue to try some things, and I will update here if I do, but if anyone could give me advice that would be awesome. I just really hope I don't have a dead part.

Here are my Specs:

CPU: Intel Core i5-2500K Sandy Bridge 3.3GHZ

HDD: Western Digital WD Black 1.5 TB

Mobo: ASRock Z77 Extreme4 LGA 1155 Intel Z77

Ram: Patriot Viper Extreme Series, Division 2 Edition 4GB (x2)

OS: Windows 7 Home Premium

PSU: Antec NeoECO C NEO ECO 520C 520W ATX12V 80 PLUS

SSD: OCZ Vertex 4 128GB

Graphics Card: Nvidia Geforce 670
 
Solution
I just recently had these issues. Try constantly rebooting and the mainboard should give u a manufacture beep sequence "morsecoard" and you can search the sequence to find which beeps mean which. If not floppy could be right but a psu going after a year could be considered rare. Sadly, and quite possible in your case, its the mainboard failing. I had an MSI which I hated personally, though ASRock isnt bad. Mainboards arent too bad in price currently so I went ahead an got a $60 ASUS. Which I like more. SO its moreso your option but asses what you can do from here. Bent cpu pins are problematic and usually fail after being bent back into place. banging on your case or any physical harm being done to the tower may have knocked something...

zyche01

Honorable
Nov 21, 2013
38
0
10,560
I just recently had these issues. Try constantly rebooting and the mainboard should give u a manufacture beep sequence "morsecoard" and you can search the sequence to find which beeps mean which. If not floppy could be right but a psu going after a year could be considered rare. Sadly, and quite possible in your case, its the mainboard failing. I had an MSI which I hated personally, though ASRock isnt bad. Mainboards arent too bad in price currently so I went ahead an got a $60 ASUS. Which I like more. SO its moreso your option but asses what you can do from here. Bent cpu pins are problematic and usually fail after being bent back into place. banging on your case or any physical harm being done to the tower may have knocked something on the mainboard out of wack. Let me know how it goes.

Zyche
 
Solution

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