https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178677#M29338 <P>Bent pin(s) was my thought, but OP says some work and some don't.</P> Thu, 07 Jul 2016 21:47:44 GMT jrhoffman75 2016-07-07T21:47:44Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178624#M29329 <P>My 7d does not recognize all of my compact flash cards not the CF adapter for SD. Any suggestions</P> Thu, 07 Jul 2016 06:57:49 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178624#M29329 Akdave 2016-07-07T06:57:49Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178633#M29331 <P>CF adapters can be a problem. If it's reading real CF cards then the camera is working properly.&nbsp;</P> Thu, 07 Jul 2016 13:08:34 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178633#M29331 jrhoffman75 2016-07-07T13:08:34Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178638#M29333 <P>Buy only top quality cards from a good retailer. &nbsp;But anybody can get a faulty card and they do go bad occasionally.</P> Thu, 07 Jul 2016 13:40:23 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178638#M29333 ebiggs1 2016-07-07T13:40:23Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178671#M29334 <P>It recognizes none of them, or do some work?</P> Thu, 07 Jul 2016 20:28:15 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178671#M29334 ScottyP 2016-07-07T20:28:15Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178674#M29335 <P>Some of the cards will work some not, I have tried them in my 20D and some of the cards that did not work in the 7d will work in the 20D, It all seem to happen at once had been uililizing a CF Adapter Big Gear with a 128 gb micro high speed worked great</P> Thu, 07 Jul 2016 21:34:39 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178674#M29335 Akdave 2016-07-07T21:34:39Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178675#M29336 <P>You might try to peak inside to see if any of the pins are bent.</P> Thu, 07 Jul 2016 21:43:34 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178675#M29336 kvbarkley 2016-07-07T21:43:34Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178676#M29337 <P><EM>"CF Adapter Big Gear:"</EM></P><P>&nbsp;</P><P><SPAN>What is this? &nbsp;Any adapter is a bad idea. &nbsp;Never use any adapter. &nbsp;Use the cards as they come.</SPAN></P> Thu, 07 Jul 2016 21:45:53 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178676#M29337 ebiggs1 2016-07-07T21:45:53Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178677#M29338 <P>Bent pin(s) was my thought, but OP says some work and some don't.</P> Thu, 07 Jul 2016 21:47:44 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178677#M29338 jrhoffman75 2016-07-07T21:47:44Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178678#M29339 <P>Can't hurt to look....</P> Thu, 07 Jul 2016 21:49:15 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178678#M29339 kvbarkley 2016-07-07T21:49:15Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178679#M29340 <P>Agree.&nbsp;</P> Thu, 07 Jul 2016 21:51:20 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/178679#M29340 jrhoffman75 2016-07-07T21:51:20Z https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/179029#M29341 <P>At least bent pins can be repaired. Last month I fixed a 10D with badly bent pins. If I can do it, anybody in this forum probably can. (Actually, it's easy if you have three hands. I don't, so it wasn't.)</P> Mon, 11 Jul 2016 20:48:50 GMT https://community.usa.canon.com/t5/EOS-DSLR-Mirrorless-Cameras/my-7d-is-not-reading-all-my-cards/m-p/179029#M29341 RobertTheFat 2016-07-11T20:48:50Z