Computer didn't start, when booted up? Tags: New Build Computer Systems Last response: January 27, 2013 12:55 AM in Systems Share Mapsx15 January 27, 2013 12:12:40 AM Just built my computer, plugged it into the moniter and it didn't turn on? What's the most common problems? More about : computer start booted Mapsx15 January 27, 2013 12:43:01 AM I've just noticed the motherboard lights don't turn on? jnkweaver January 27, 2013 12:55:59 AM Power supply is the most likely candidate. Do you have the big 20 pin and smaller 4 pin attatched? Is the power supply plugged in and turned on? Can't find your answer ? Ask ! Publish Related resources: ForumWindows didnt boot up succesfully and won't even in safe mode ForumComp won't boot up , replaced power supply didnt fix ForumAfter changing bios didnt boot up ForumPC booted up from sleep mode, now it's lagging ForumWhy Didn't This Computer Come With An XP CD ? ForumBlue Screen O' Death Stop error... computer won't start up ForumComputer BSODs on start up after hooking up new moniter ForumWhy wont my computer start up or auto repair ForumNew mobo, computer won't start up - stuck on startup repair ForumBIOS didn't reset after replacing CMOS battery ForumMy computer wont boot , it doesnt start ,i only got a blank black screen ForumMy newly built computer wont start up ! please help! ForumMultiple boot choices at start-up ForumMy computer won't art up and start up error repair won't load any files? Forumdidn't know where else to post this ForumComputer booted up at first, but now doesn't turn on at all ForumAll fans start up but no beeps and never boots ForumStarting Up // Computer Problem ForumXfx 680 half price ForumCheap gaming computer More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !