6D mark II very strange SD-card error

[GT_ejik__]

I've been using my 6d mark II with two identical SanDisk 128 Gb UHS-II 300MB/s SD cards for a long time, but recently I tried to start use the usual UHS-I SD-card in my camera and.. it doesn't work. I having an issue where my 6D II shows "No card in camera" every time I inserted ANY other SD-card except my two UHS-II cards even when I'm inserting my old UHS-I SanDisk 64 Gb card, which worked perfectly in my camera one year ago. 

I have tried to reset camera, to update the firmware to latest 1.0.5 but still have this issue... Perhaps you know the reason of this issue..?

[Waddizzle]

The 6D2 is not fully compatible with UHS-II cards. Canon only recommends UHS-I cards. I suggest that you contact Canon.

[kvbarkley]

Are these full size cards or micro cards with an adapter?

[GT_ejik__]

Full size SD cards, but microSD with an adapter also doesn't work

[Waddizzle]

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@GT_ejik__ wrote:
Full size SD cards, but microSD with an adapter also doesn't work

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Okay.  Where do you buy your cards?  If there is a nearby store, like a Best Buy, where you can buy a new full size card that is 32 GB, or smaller?

[GT_ejik__]

I can easily buy a new 32 GB full size card. Cards which I'm using now is from my work, I didn't bought it personally. But all of them perfectly works with other Canon cameras in my office.

[Waddizzle]

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@GT_ejik__ wrote:
I can easily buy a new 32 GB full size card. Cards which I'm using now is from my work, I didn't bought it personally. But all of them perfectly works with other Canon cameras in my office.

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Not good.  Using a UHS-II should not damage the camera, not at all.  Only R/W speed suffers, and takes a minor hit.  I still say that you should contact Canon Support.

[GT_ejik__]

Okay. Thank you!