https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158569#M54437 That is correct. I used my cannon usb as well as a non cannon one and neither worked. My cannon usb cord has always worked in the past, as long as I have had my camera. I also used the sim card reader but it was not detected by Mac either. Mon, 14 Dec 2015 03:42:54 GMT cpins 2015-12-14T03:42:54Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158549#M54435 <P>I have yosemeti 10.10.3 on my Mac. I use to be able to dowload photos with ease but at some point, after some update I preseume, I am no longer able to make my computer detect my Cannon camera. I have used 2 different USB cards as well as a Card Reader. Nothing works. Please help.</P> Sun, 13 Dec 2015 22:58:00 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158549#M54435 cpins 2015-12-13T22:58:00Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158567#M54436 <P>Are you saying no USB connected devices are recognized?</P> Mon, 14 Dec 2015 02:55:48 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158567#M54436 jrhoffman75 2015-12-14T02:55:48Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158569#M54437 That is correct. I used my cannon usb as well as a non cannon one and neither worked. My cannon usb cord has always worked in the past, as long as I have had my camera. I also used the sim card reader but it was not detected by Mac either. Mon, 14 Dec 2015 03:42:54 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158569#M54437 cpins 2015-12-14T03:42:54Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158571#M54438 <P>See this:</P><P>&nbsp;</P><P><A href="http://www.pntbrother.com/macbook-pro-usb-ports-not-working-reading-solution/" target="_blank">http://www.pntbrother.com/macbook-pro-usb-ports-not-working-reading-solution/</A></P> Mon, 14 Dec 2015 03:58:55 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158571#M54438 jrhoffman75 2015-12-14T03:58:55Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158626#M54439 It worked! Thank you jrhoffman75! I can get my photos off my camera and onto my computer again! Yay! Mon, 14 Dec 2015 17:43:19 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/My-Macbook-will-no-longer-connect-with-my-Cannon-Rebel-xti/m-p/158626#M54439 cpins 2015-12-14T17:43:19Z