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MP All Models USB keyboard not being recognised

S

scouser75

macrumors 68030
Original poster
Oct 7, 2008
2,755
559
Hi guys,

I have a 2009 Mac Pro with a USB keyboard. These last few days the dreaded 'no keyboard is attached' message has reappeared on it. When I turn the Mac on I can't use the keyboard UNLESS i attached it to the front USB ports on the tower.

If I connect the keyboard to the monitor or rear of the tower, the keyboard doesn't work.

I've bought a new extension cable just in case the old one was faulty, but not even that has resolved the issue.

Any help welcome.
 
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