My Canon 5DM2 wont turn on with a specific card

<p>When I insert my Transcend card in my 5DM2, the camera wont turn on. It worked before with this card, but now (after I used the card for some data transfers) it doesnt. When I insert my second (SanDisk) card, everything is ok. When I insert the "bad" Transcend card in my Olympus camera, there is no problem. What is going on?</p>

 

<p>Have you tried formatting the Transcend card in the 5D2?</p>

<p>Edit: OK, I just re-read your question, need to clarify: Is the camera not turning on at all; i.e., no power, or powers on but won't function?</p>

<p>A bad card can take down an entire system, for instance if it has an internal short. There's no saving that card. Just toss it in the trash. There's a hazard that continuing to try to use it could damage your camera or card reader.</p>

<p>Sarah, I'd be inclined to agree with you, except the OP said the "bad" card worked in another camera, which sort of makes it sound like a formatting issue...</p>

<p>Step 1: Remove card from camera.<br>

Step 2: Power on camera without card.<br>

Step 3: Insert card in camera.<br>

Step 4: Format Card in Camera.<br>

Step 5: Power off camera.<br>

Step 6: Power on Camera.<br>

If camera power up ok: Assume card is ok and the issue was that the data transfer operations overwrote a memory location to a state that when read at camera power up caused the camera to not power up. Continue to use card as though nothing had ever happened.<br>

If camera fails to power up: Mark card as no good for use in the camera, and continue to use it in devices where it functions normally.</p>

<p>William, I'd be inclined to agree with you too, except that cards are so cheap, and cameras are so expensive, it's not worth the chance, except maybe in an old 10D.</p>

<p>FAIW, I've seen this exact behavior (somewhat commonly) in computers. A single bad RAM chip would keep the computer from even powering up.</p>

<p>Good point, Sarah. In any case, it doesn't look like the OP is coming back...</p>

<blockquote>

<p>"There's no saving that card. Just toss it in the trash."</p>

</blockquote>

<p>I'd send it back to Transcend and they'll mail you another one. <br /></p>