Since upgrading to Lion, my computer doesn't go into sleep on its own anymore. I have to click the Apple menu then Sleep manually. This effects ALL my Macs, not just one.
With auto-sleep, does your display go off, but your HD doesn't? If so, then you have the same problem as me.
Have you fixed this yet? It does seem to be a common problem. You would have though Apple would have fixed it??
Nope, still not fixed. I've just got used to the keyboard shortcut now. Not good.
i am having the same issue my display goes to sleep but the HD and fans dont
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