While off, computer suddenly powers on. Tags: Optiplex Dell Computers Windows 7 Last response: May 2, 2011 8:17 PM in Windows 7 Share indyisfaster May 2, 2011 5:25:25 PM Hello, While off, my computer (Dell Optiplex 755) suddenly powers on and two seconds later powers off again. This happens every 20-30 minute 24/7. Any ide why it does this? cheers indy More about : computer suddenly powers das_stig a b $ Windows 7 May 2, 2011 8:14:33 PM Check bios for wol (wake on lan) and windows advanced power settings, sleep->wake up timers. SR-71 Blackbird a c 416 $ Windows 7 May 2, 2011 8:17:20 PM my old 745 did this but i had a bad board!!!!! Can't find your answer ? Ask ! Publish Related resources Computer powers off suddenly while playing certain games. Forum Computer Randomly Shutsdown and then Restarts or Powers off and Can't be powered on for a while Forum computer powers off suddenly but mobo led lights still on sort of froz Forum Computer powers off while playing games then stars a reboot loop Forum when the power fails computer turn off suddenly without any warning. Forum when the power fails computer turn off suddenly without any warning. Forum SolvedWhy do I need to press"OFF" and hold it while disconnecting the power in order to avoid the computer crashing at the "loading Forum SolvedComputer won't boot after switching off power supply while in sleep mode. Forum Computer suddenly powered off? Forum PC Powers Off Suddenly Forum Computer powered off while playing Borderlands 2, nothing in logs Forum SolvedComputer suddenly shut down while rendering and now it wont turn on ?!! Forum How to power fans/pumps/LED/etc. while computer is off Forum SolvedComputer turns off directly and suddenly and doesnt start until its unplugged..!! Forum Computer power cut off while gaming Forum Computer turns off while gaming possible cooling, power issue? Forum SolvedNew computer suddenly turns off, won't start back up. Forum System Powers Off Suddenly! Forum SolvedComputer Suddenly Shut Off. Won't Start Now Forum SolvedComputer powers on for a split second then turns off Forum More resources Read discussions in other Windows 7 categories Configuration Customization Drivers Security Laptops !