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Old 12-28-2010, 01:25 PM   #17
varmemester
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Posts: 56
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Join Date: Sep 2010
Device: Kindle 3 & Sony PRS-950
Quote:
Originally Posted by trekchick View Post
Disable the MacBook's IR Receiver (System Preferences, Security, General) and see if that makes a difference for you.

USB port inequality is a known-issue with some MacBooks. The reason is that the internal USB devices (camera, IR receiver, keyboard, touchpad) are on a hub with one of the ports, creating a potential overload. The configuration varies from model to model.

Here are a couple articles; one old, one recent:
http://www.wired.com/gadgetlab/2008/05/the-macbook-all/

http://www.djtechtools.com/2010/07/1...rt-inequality/

I'm on a 13" MacBook Late 2008/Aluminum (not a MacBook Pro), with Snow Leopard (10.6.5). My 950 and 350 connect and charge seamlessly on either USB port. I even turned my IR receiver back on and the 950 still connected, but it might make a difference for you.
My Macbook model (Late 2009) have no IR receiver. Thanks for the tip though. Keep them coming - especially those to do with the usb ports.

I am now sure, as you also suggest, that it is a macbook problem - and possible only specific models. Not a Reader Library app problem or a Snow Leopard problem. I have just tested it on a friends iMac (model id: iMac7,1) running Snow Leopard and an older Macbook Pro (model id: Macbook Pro 2,2). They recognize the 950 without any problems and without the Reader Library app installed. Any suggestions are very welcome!! Thx
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