Posted April 23, 201410 yr The camera doesn't need a specific driver, it's supported by w7 MTP. It worked ok, then one day stopped. The Device Manager says: it's Portable Device, and the EOS icon has yellow error mark - Can't load the appropriate driver - Error code 31. Windows Driver Foundation service is active. Tried to reset USB port, but vainly. Any Canon software update (uninstall and reinstall) - result = NULL. Any idea guys? Spent 2 days figuring out what's wrong. Continue reading...
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