MBP retina won't recognize Lexar USB 3.0 reader. Any ideas why?

USB ports mount regular USB devices on MBP Retina but will not recognize cards/reader. Card reder is a Lexar Professional USB 3.0 Dual Slot Reader Reader. Any idea why it is not recognized?
thanks

Welcome to being a Beta tester but whatever you do call Apple HQ and give them **** for they make a big thing about how their products simply work. Well it does not. I have a problem with USB 3.0 with my PCIe card on my MacPro is a way I do not have with the same card on my HP Z800.
Apple customer support are good but don't let them get off the hook. I cancelled my Retina because I began to read problem with USB 2.0 and other problems.
However I do have an idea there are Thunderbolt breakout boxes that offer USB3.0 and eSATA too. Maybe that will do the trick BUT for Apple to have a USB3.0 issue is disgraceful when my ugly HP simply works. Seriously this is not new technology.
It's Apple not Lexar who need to own this problem. Far to expensive for this and Lexar are hardly unknown.
PeeTee333 wrote:
USB ports mount regular USB devices on MBP Retina but will not recognize cards/reader. Card reder is a Lexar Professional USB 3.0 Dual Slot Reader Reader. Any idea why it is not recognized?
thanks

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