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MBP with USB Hub - Diagnose Auto Sleep Issue

B

brettatredback

macrumors newbie
Original poster
Mar 31, 2008
28
0
Hi All - I have a MBP attached via USB to a LED Cinema Display. 1 of the USB ports on the display is connected to all in 1 printer. 1 of the USB ports on the display is an iphone cradle. The final USB port is connected to a USB hub which has:
- 2 usb external HDDs
- 1 usb portable HDD

I have the MBP lid always closed and use the cinema display only. On power up, if I don't log in - the MBP will automatically go to sleep after a while. If I log in, the MBP will not automatically go to sleep. It will go to sleep if I tell it to via the menu.

Is there anyway I can tell/diagnose what is keeping the MBP awake to prevent 'automatic' sleeping??

thanks,
Brett
 
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