When i start my pc up its switches back off ?? Tags: Prebuilt Systems Last response: February 7, 2012 10:55 PM in Systems Share paulp300 February 7, 2012 9:37:33 PM it starts up and switches back off , gose on and on .?? More about : start switches back omega21xx February 7, 2012 10:25:39 PM Bad PSU more than likely, unless you have another failed component keeping it from posting. m 0 l pjmelect February 7, 2012 10:51:15 PM More likely it is the power supply, but you should also check that the CPU fan is running and that the heatsink is fixed securely. m 0 l Can't find your answer ? Ask ! Get the answer omega21xx February 7, 2012 10:55:31 PM You may also have a fine PSU and just not enough power from it to power components, give us some specs of the psu and computer. m 0 l Can't find your answer ? Ask ! Publish Related resources Hello my pc has a big problem i switch it on and it switches back off within couple mins and its always black screen nothing d Forum PC Switched off on its own and will turn back on again Forum Solvedz77x ud5h won't start up if PSU is switched off and back on Forum I am having to turn my PSU off and then back on to power my motherboard each time I want to start PC up Forum SolvedNew computer suddenly turns off, won't start back up. Forum SolvedMy monitor turns on and off on its own at start up. Takes a few hours to work. Forum PC will not boot: Asus Z87i Red light on boot, system switches off and back on again without post Forum SolvedComputer Turns off, then shortly afterwards turns back on without a beep or any start up process Forum i have a starting trouble in laptop. and i heard beep sound when i start my laptop or when i switch on my lap it,s off automat Forum Computer starts up for 5 min then turns off, won't start back up. Forum SolvedNew build will not start up - All Asus mobo LED lights flashing, Q-codes switching non-stop. Won't turn off? Forum My pc shut down after start up and wont turn back on Forum What if my asus comuputer shuts off. When it goes back on it says to start up no Forum Screen turn pink and remain as its until i switch off and start againn Forum Computer shutting off randomly and to turn pc back on i have to switch psu off and on. Forum PC Turns on/off repeatedly at start-up Forum When i start up my PC there's no display no beeps,and then it will automatically turns off and turns on and all fans boosts. Forum SolvedComputer turns off directly and suddenly and doesnt start until its unplugged..!! Forum PC was working fine then turned off my CPU fan had stopped turning. opened up case let it cool off. turned back on but nothing Forum I just built a new PC and I'm having trouble with putting it to sleep. It will go to sleep and start back up in 3 seconds ever Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !