09-19-2015 11:36 AM
09-20-2015 10:55 AM
You might try installing/reinstalling the latest firmware which is available here.
03/26/2024: New firmware updates are available.
EOS 1DX Mark III - Version 1.9.0
12/05/2023: New firmware updates are available.
EOS R6 Mark II - Version 1.3.0
07/31/2023: New firmware updates are available.
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