Mac Desktops forum


Mac does not recognize UBS device.

by JDDDEB / November 1, 2011 3:21 AM PDT

When I insert a UBS device into the UBS port on the desktop, the MAC does not recognize it. What do I do?

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All Answers

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might help if you were to
by mrmacfixit Forum moderator / November 1, 2011 4:04 AM PDT

hand out a little more information about your Computer and the USB devices you are connecting.

What version of OS X are you using?
Does you Mouse or Keyboard work?
What type of Mac do you have?
What USB devices are you connecting to the Mac?


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by JDDDEB / November 15, 2011 11:24 PM PST

Max OS X Version 10.6.8
Using Mouse
iMAC 7.1
HP Flash drive

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try the HP Flash Drive in another
by mrmacfixit Forum moderator / November 16, 2011 5:57 AM PST
In reply to: USB


Alternatively, plug it into a different USB socket.

Does it work there


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USB port
by JDDDEB / November 16, 2011 11:02 PM PST

I tried the flash drive in a different port and it did work!! Perhaps there's something wrong with just that one port.

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Does the mouse
by Jimmy Greystone / November 16, 2011 9:40 AM PST
In reply to: USB

Does the mouse show any signs of life? Like a red light coming from the bottom? And also the other suggestion, of if you play a game of musical chairs with the ports, does that help?

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USB drive
by JDDDEB / November 16, 2011 11:03 PM PST
In reply to: Does the mouse

Using a different port did help!

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Does anything else
by Jimmy Greystone / November 17, 2011 10:02 AM PST
In reply to: USB drive

Does anything else when plugged into that port? If not, then it's probably bad and you're looking at a MLB replacement. So unless the unit is still under warranty, I'd just write off that port. The expense of replacing the MLB will probably be quite prohibitive. Maybe just get a couple of USB hubs so you can just have a few things permanently attached to the built in ports, and all the wear and tear goes onto the replaceable hubs.

If other devices work in that same port, then I'd suspect you have a dodgy flash drive, and I wouldn't be plugging it into my iMac because it may well short out a port or two.

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by JDDDEB / November 18, 2011 2:19 AM PST
In reply to: Does anything else

Thanks so much!

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