Installed new power supply now computer wont turn off by itself Tags: Prebuilt Power Supplies Computer Power Systems Last response: January 31, 2014 7:56 AM in Systems Share fonzarella February 16, 2012 4:39:33 PM Installed new power supply. Now computer works great but won't turn off power by itself as before. Are there any setting changes I can make. More about : installed power supply computer wont turn ryanthebuilder February 24, 2012 10:48:10 PM What kind of OS do you have? You can go into power options in control panel if you have windows and configure your system to turn off after a duration of it being idle. m 0 l Raiddinn a b ) Power supply February 26, 2012 9:19:31 PM Sounds like the new PSU might not be a good one. The newer better PSUs are usually able to work with power saving things built into Windows. Mind saying what the old and new PSUs are? The power settings inside windows shouldn't have changed when you put in a new PSU. I would be extremely surprised if they did. m 0 l Can't find your answer ? Ask ! Get the answer chikhar January 31, 2014 7:56:47 AM Sounds like something is indeed faulty. Make sure all the ATX and EPS connectors are seated properly and that the cables are locked tightly into the lug. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedInstalled 'new' power supply now computer turns on and immediately off solution New computer turned off by itself and now won't turn back on :( Forum SolvedNew power supply now computer won't turn on solution New power supply now computer won't turn on solution My laptop turned itself off while I was online as I had run out of power now it wont start up solution SolvedComputer won't turn on after installing a new power supply solution SolvedComputer turned itself off, wouldn't power back on, but now working? solution SolvedPC turned itself off. Won't turn on at all now solution SolvedMy comp turned off by itself & now it won't turn back on solution Solvednew power supply, computer wont turn on at all solution SolvedI just rebuilt my computer with a new power supply, it worked at first but now it will not turn on at all? did something short solution New computer, power supply, and GTX 550 TI: computer shuts itself off Forum computer was powered off. lightning hit close by now wont turn on solution SolvedNew Power Supply Unit, Computer Wont Turn On solution SolvedMy brand new laptop shut off by itself and won't turn back on solution My computer won't turn on now? Power Switch/Supply Question Forum SolvedComputer turns itself off and wont turn back on for a few minutes solution Computer rebooted by itself and now fans rare running at full speed, but it won't turn on Forum My computer power supply wont turn off Forum installed new vga, power supply, and ram computer wont boot solution More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !