My computer has just recently started to power cycle when it has been off and transported for 10 minutes +. It will spin the fans and hdds for a second and then restart. It will continue doing this until I intervene. After about 15min of sitting and warming up, it will boot. Very frustrating.
1.Cleared Cmos 2. Disconnected components one by one 3.Checked Cables and connections 4.Hard jumped Mobo with car keys
i7 860 Gigabyte Ultra Durable 3 Mobo 8gb (4x2gb)A-DATA Gaming Series DDR3 750w HX Corsair PSU Ati 5850
More aboutcold boot power cycle
Does your mobo have integrated video? If so, remove your GPU and see what happens. Also, do you have access to another PSU? Could be a flaky PSU as well.
I've tried removing the GPU and it didn't help. I have also tried a different PSU and that didn't work either.