When the 4 pin power is conected it will not turn on, was working fine then just Tags: Motherboards Computer Power Shutdown Last response: February 13, 2011 11:59 PM in Motherboards Share lor1963 February 12, 2011 8:21:15 PM My computer was running great then it just shut down and would not resart unless the 4pin power plug is disconected More about : pin power conected turn working fine Ubrales a b V Motherboard February 13, 2011 11:59:32 PM The 4-pin (or 8-pin) power plug supplies power to the CPU. If this is unplugged, the computer will not POST. Can't find your answer ? Ask ! Publish Related resources: ForumScreen won't show images, but PC works just fine . ForumNew system Powers up fine , just won't do anything else ForumNew build will not turn on (worked fine for 2 days) ForumWon't turn on with 4pin cable ForumComputer Wont Power Up With 4 pin connected ForumComputer working fine first night, will not start up no ForumMonitor doesn't turn off when conected to VGA on ATI RADEON HD 4570 ForumNew build was working fine / shut down / wont turn on ForumComputer won't turn on after plugging in case fan controller pin ForumPower supply problem( 4pin plug melted) ForumNew power supply will not turn on ForumPC looses power when 4pin 12v is connected ForumVGA / DVI converter not working - monitor goes into power saving mode ForumOMG!! PC builbing is NOT easy!!! Or im just dumb! ForumH80 fan controller not working !? ForumWhen we finally can’t attained athletic subject, ForumBios Setup Utility - USB Keyboard only will not function ForumWill a DDR3 work as it should work on a DDR2 motherboard? ForumWill this ram work x 4 on DFI Lanparty UT4 NF4 SLI-DR Venus ForumI am Making a new just to go online PC for forums,emails etc... More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !