My canon 5d mark II won't format memory cards. It keeps asking me to format, and then telling me it cant format that card and to switch it out. I've tried 3 different cards, none of which have ever been used in a different camera

1080p MOV Converter-Transcode/Edit Canon EOS 5D Mark II 1080p MOV to ProRes 422 for FCP X <br /><br />Canon EOS 5D Mark II is one of the best DLSR made by Canon. It shoots full HD 1920x1080p videos in MOV format. However, with the high quality MOV videos, you may find that the log and transfer method on FCP X does not work for them .Therefore, In order to edit the videos of Canon EOS 5D Mark II, <b><a href="http://www.aunsoft.com/video-converter-mac/">1080p MOV Conversion for FCP X</a></b> is necessary. I googled and found Aunsoft Video Converter for Mac as the perfect. <br /><br />How to <b><a href="http://1080p-converter.com/2011/07/top-notch-mac-camcorder-conversion-tool-convert-canon-5d-mark-ii-mov-to-prores-for-fcp-x-editing/">Import and Edit Canon EOS 5D Mark II MOV to FCP X</a></b>? <br /><br />1. Transfer Canon EOS 5D Mark II MOV to Mac <br />Connect Canon EOS 5D Mark II DLSR to Mac with a USB cable. Copy the MOV files to hard drive on Mac or from outside. The MOV videos will be soon transferred to Mac computer. <br /><br />2. Load 5D Mark II videos to Aunsoft Video Converter for Mac <br />Run Aunsoft Video Converter for Mac as the <b><a href="http://www.aunsoft.com/video-converter-mac/">Top-notch Mac Camcorder conversion tool</a></b>. Click the "Add" button to load the MOV videos to the program. <br /><br />3. Choose output format and destination <br />Click the "format" option, and choose Final Cut Pro &gt; Apple ProRes 422(HQ) (*mov) as the output format. Click the "Browse" button to specify the output destination. <br /> <br />4. Convert 5D Mark II MOV videos to ProRes 422 for FCP X <br />After the output format and destination are set, click the convert button under the preview window, wait just a few minutes and the converted Video from <b><a href="http://www.aunsoft.com/video-converter-mac/">Canon EOS 5D Mark II MOV Videos to ProRes 422</a></b> will be ready for you to edit on FCP X. <br /><br /><b>Tips:</b> <br />Aunsoft Video Converter for Mac can also convert videos for other softwares like <b>iMovie, Adobe Premiere Pro, Final Cut Express (FCE)</b> and various media devices like <b>iPhone 4</b>, <b>iPad </b>and <b>Motorola XOOM</b>.