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Question about Canon Rebel XT / EOS 350D Digital Camera

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No Power To Canon Digital Rebel XT

I cant get my Digital Rebel XT to power up. The CF pins all look good, the battery shows it has power before it went dead I took the CF card out to read it in my computer card slot. Charged the battery installed the card turned it on, nothing? could the little disk looking battery being dead cause this? Can I diagnose the problem some how before sending it to canon?

Posted by DrScience on

  • 6 more comments 
  • Anonymous Dec 01, 2007

    I have the same problem, CF card is fine, battery shows juice in the charger etc ... I've never had a problem with the camera. I'm going to try and replace the small 3v battery that you mentioned and see if it fixes the problem.

  • Anonymous Apr 19, 2008

    I took my 350D to bits to fix another fault (turned out to be just a loose connector tail) and then when I reassembled it it just wouldn't power up. Yes, I hve triple checked everything. I read elsewhere that the 300D does the same thing but there are fuses you can change (if you've got a microscope!) or bypass, but I can't find any references to the 350D and of course Canon give no info, parts catalogs, electrical diagrams, no nothing!

    And no, I'm not going to "....send it back to Canon....." That's not the point!

  • dleger May 11, 2008

    I have had my camera for about a year and a half and have never had any problems. Today I changed out the CF card and now the camer will not power up. I too have tried everything. Help!!!

  • Anonymous Dec 25, 2008

    I have the same problem . the camera wasn't dropped or nothing. stored in a camera bag. now there is no power

  • hidesert Dec 25, 2008

    I just put in a freshly charged battery in my Digital Rebel XT, and it won't power up, either. Help?

  • lwongjenks Dec 26, 2008

    I have the exact probelm. My camera was working and then it suddenly stopped! I thought my battery was dead so I re-charged it but it still won't work and there is nothing wrong w/the CF card.

  • Anonymous Jan 28, 2009

    Hi, i have had my 350D for twelve months , i had initial intermittent start up problems, however it won't turn on at all now.
    I have just received an A/C power supply just in case it was my batteries in the cold (astrophotography) but still no joy!
    Doors/Card etc all seem ok......Help

  • huiras Feb 20, 2009

    I am unable to power up my camera. I have tried 2 different batteries, that I fully charged. The only thing that has flashed at me was an "error 99" message. But this only happened once.



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Change out the CR2016 3V battery. You have to remove the rechargeable battery to get to the CR2016. Refer to the manual for proper instructions.

Had the same issue with a two year old camera. This solved my problem.

Posted on Jan 01, 2009



Yes, i got the same problem.

Posted on May 14, 2008


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