Fans blink on, computer is off

[smockda]

I have a strange problem. When the computer is off the fans blink on and off. I noticed it at night because one of the fans is has LED's. The computer works fine when turned on. If I unplug the power cord it takes a few seconds for the blinking to stop. Power supply? MB? Thanks

Dan

 

[engiNURD]

I'd guess PSU. What PSU do you have? Are the fans plugged directly into the PSU or the motherboard?

 

[smockda]

The fans are connected to the power supply. Installed a new PS and went up 100 watts. Everything is back to normal. Thanks

Dan