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Disk not properly ejected warning after wake, then connects again

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Have GA-Z77-DS3H and got 10.7.4 running.


The issue I am having is when I wake this computer from sleep.

I have External HDD connected and the system detects fine, but when I put the computer to sleep, come back later, wake the computer up, it seems have lost all USB connections and shows "Disk not properly ejected" warning, then it connects to HDD again.

I also have bluetooth dongle which connects my mighty mouse and also shows no connections and bluetooth not available icon after wake, then detects the bluetooth dongle, then connects mouse.

The logitech mouse which I also have connected wired thru USB wakes the computer and works fine right after wake.


I don't know where to look to solve this problem?


Can anyone help? Thanks in advance.

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