Computer Powers On, Then Instantly Off Tags: Asus Light Computer Motherboards Last response: October 30, 2010 1:57 PM in Motherboards Share vstrelok October 29, 2010 1:41:13 AM Hello, When the computer is powered on, the lights/fans turn on for about half a second, then turn off. What could be the problem? Thank you, More about : computer powers instantly davcon a b Ĉ ASUS a c 90 V Motherboard October 29, 2010 2:36:16 AM Sounds like a faulty psu. I would test it. http://www.youtube.com/watch?v=5FWXgQSokF4 suat a b Ĉ ASUS a b V Motherboard October 30, 2010 1:57:47 PM Check if CPU power is connected (4-pin/8-pin 12V ATX power). Check if CPU is mounted properly in its socket on the motherboard. Can't find your answer ? Ask ! Publish Related resources: ForumSystem Shuts off instantly , Blue Screen on Power on; After shut off ForumNew Gaming Computer Shuts Off Instantly ? ForumPC POWERING OFF INSTANTLY -Help ForumComputer Shutting Off Instantly and Restarting — Help! ForumComputer turns on and then off instantly . ForumCustom PC turns on then shuts off instantly ... ForumComputer instantly restarts when doing benchmark or playing games. ForumJust built a comp and it turns off instantly =/ ForumUpon connection of dvi-vga converter monitor instantly on standby ForumPC Instantly powers on no post ForumComputer instantly shutting down without warning ForumComputer Instant Power Off ForumComputer Instantly Shut Down ( Power Supply Problem?) ForumComputer Shuts Down Instantly at Random ForumComputer shuts down instantly ForumUPS drains out instantly on power outage ForumIntel i5 3550p & AS Rock Z77 PRO 3 ForumPC2100 vs PC2700 Toshiba Laptop Computer ForumComputer randomly freezing! ForumAdded new ram, computer freezes. Searched. More resources Read discussions in other Motherboards categories BIOS Boot Chipsets ASRock Asus Chaintech DFI Elitegroup FIC Foxconn Gigabyte Intel MSI-Microstar !