Acer :: Aspire 4720- USB Power Stays On In Sleep Mode

Mar 14, 2009

My Acer Aspire 4720 has an annoying CPU fan "on/off/on/off" behaviour that is impossible to control via software, so I wired it up with a resistor internally, soldering to a USB +5V header. The fan itself works great, but ...

The USB power (and thus the fan) stays on when I put the laptop into "sleep" mode. In Hibernation, it turns off as normal.

How can I make the USB power turn off when in normal "sleep" mode?

Running OS: Vista Ultimate x64

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