Sudden shut down during initial bios setup Tags: Homebuilt BIOS Shutdown Systems Last response: March 24, 2012 12:35 AM in Systems Share Majesticsombrero March 24, 2012 12:22:43 AM Hello, I have recently finished building my first computer. whenever i turn it on it shuts down within 30s-3 minutes. i have not been able to get past the main bios screen. Here are my specs: Gigabyte z68ap-d3 motherboard intel core i5 2500k CPU 120 gb ssd 2x4 gb corsair ddr3 RAM Ultra 550w psu I have tried going through the bios setup about 15 times and it keeps turning itself off. Any ideas on what i screwed up on? More about : sudden shut initial bios setup Proximon a c 113 B Homebuilt system March 24, 2012 12:35:46 AM We have a great tool for that if you will use it properly: http://www.tomshardware.com/forum/261145-31-perform-ste... But if you would like an educated guess I have a few. -Improper heatsink installation -Failing PSU Ultra made a few good PSUs at one point, but most of them are very poor or complete junk. They don't even bother to send them to real reviewers any more. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedDvi no signal after stuttering and shutting down during bios update Forum My desktop suddenly shut down during playing far cry 3 Forum Very slow Boot up and Shut down s( starting during bios screen ) Forum Computer shut down during bios update Forum SolvedWhat should i change in my Gaming PC setup (i5, GTX 580)? It shuts down during gaming, once during browsing on Chrome Forum SolvedM5a99x evo,Can't access bios. pc shut down suddenly Forum SolvedBIOS works but PC shuts down during installing Windows 8 - New Build Forum No display after BIOS Flashing, didn't shut down system during process Forum Solvedamd fx8350 sudden restart/shut down Forum SolvedPC shut-down during Prime95 test, won't power back on. Forum Newly built computer shuts down while in bios setup Forum SolvedURGENT !!!! sudden shut down, restart. now gpu, cpu fans dont work. Forum SolvedHelp! Sudden shut down Forum I was on my computer then all a sudden I shut down and I couldn't turn it back on Forum Solvednew build, computer shut off during bios? Forum SUdden pc shut down! problem Forum win 7 64 bit machine by HP. All of a sudden will not shut down Forum SolvedCpu sudden shut down Forum Windows sudden shut down, system doesn't recognise HDD right after. Forum SolvedSlow Boot After Turning Computer Off During Shut Down Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !