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2021 14" Macbook Pro not connecting with Samsung T5 or T7

I just purchased a MBP M1 Max and my Samsung T5 and T7 drives are not connecting and the red light indicating that no connection is being made keeps turning on. Has anyone else had this problem?

MacBook Pro 14″, macOS 12.0

Posted on Nov 4, 2021 2:37 PM

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Posted on Nov 5, 2021 9:30 AM

After going through a whole bunch of trouble, I was able to dig up the USB-C cables that came with the SSD and now it works. I purchased 3rd party USB-C cables that worked fine on my old Intel Macs. I wonder if it is because the new M1 has thunderbolt 4 whereas the older machines had TB 3 and USB with adapter.

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Nov 5, 2021 9:30 AM in response to roro365

After going through a whole bunch of trouble, I was able to dig up the USB-C cables that came with the SSD and now it works. I purchased 3rd party USB-C cables that worked fine on my old Intel Macs. I wonder if it is because the new M1 has thunderbolt 4 whereas the older machines had TB 3 and USB with adapter.

Nov 6, 2021 7:44 AM in response to ku4hx

That’s very good to know. I was able to use Apple USB-C/TB3 cables without a problem until my recent M1 upgrade. I don’t think you can buy aftermarket cables that come with the T7s or the T5s. Unfortunately all but one of those cables have bent to the point that I can’t use them. I found cables that are made by Samsung but I don’t think they are the same ones that come with those particular SSD’s.

2021 14" Macbook Pro not connecting with Samsung T5 or T7

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