Custom PC turning on and off

[Brianheydasch]

Alright my custom PC keeps turning on and off after replacing the coolant. It was overheating originally, so I replaced the coolant and hopefully put everything back together in the right place. Now my problem here is that when I turn it on, it will turn on for a couple of seconds and then shut right back off a couple seconds after I hear the initial loading beep.

My motherboard is a:

GigaByte Z68AP-D3 Intel Z68 Chipset DDR3 ATX Mainboard

I have a video describing my issue and you can view it at

http://youtu.be/XCYcmPca3_M

I hope that'll help because I am genuinely clueless here.

 

[C12Friedman]

I'm going to point my finger at the ExtremeGear PSU. If there is one thing I would complain about that particular boutique builder, it's their use of such an 'iffy' PSU as their 'standard' (a quick search on the internet may be enlighting about that). I would recommend replacing the PSU with a Corsair, Antec, Seasonic, PC Power & Cooling or any other reputable brand (ask here before you buy). You shouldn't need more than 450W - 500W to power that system (with a reputable PSU). I'm also going to recommend some exhaust fans for your case - with the graphics card blowing out heat internally like that, you need something other than the rad to remove the heat

 

[Brianheydasch]

Thank you so much for your help! I appreciate that! Would you say that is my problem? Like is that is whats causing it to turn on for a couple of seconds and then turn off?

 

[C12Friedman]

The PSU is by far the most likely culprit here but your original overheating issue was likely due to the graphics card dumping it's heat into the case and a lack of decent circulation (the PSU should've been mounted fan up in your system at least - I'm disappointed they didn't do that). Although you could send the unit back to them if still under warranty, I would suggest the "easier" route may be to simply replace the PSU yourself (It's not too difficult, just a tad bit tedious sometimes). Just think, once you do all that, you'll probably be ready to build your own next time (or near to)

 

[Brianheydasch]

I really appreciate your help! Thank you very much!