Off the CPU fan, fan board also turn

Together on a plug in the power transfer in, (previously not the case) but the normal start-up …

this may be Motherboard problem you try to restore the original motherboard BIOS settings

not if.Motherboard is a problem.

In addition, there have been supply problems also have a lot of problems.Your machine Power supply box 5v output has the power, the power used over time, because of the relationship between humidity and dust, how much will be affected a little bit, they do not affect the normal operation on the boot and all right now to know why some chassis with power on its own In a switch you ~