Silicon Macs require that users change the security settings to ‘Reduced Some Seagate and LaCie software use a kernel extension (kext).
I found some suggestions on the LaCie support site. If not, recover important files from this unmountable external hard drive first to avoid data loss. Any further operation is very likely to overwrite your original files and make them unrecoverable.Ĭheck if you have a copy of a data backup. Reformatting will wipe the data on this disk and cause serious data loss.ĭo not run First Aid to directly repair the disk if you didn't restore data from it or back up to it. I've just done that with the same results.īefore you go further, it's better to know what you can do and can't do.ĭo not go straight to reformat this not-mounted external hard drive unless you've restored data from it or backed up it before. I'll check out that the drive works with the other dongles and also do the same on my other 8TB drive. Most importantly, after the "repair" the drive still worked perfectly on my old Macbook & PC important step.Ī) select the show details tick box so you can see what's going on then proceedī) Accept any "can't mount" or "unmount" messages if they appearĬ) after very few minutes the drive was "repaired", mounted, visible in Finder, and all files & folders seemed intact.ĭ) continued to work when drive disconnected & reconnected ī) In Disk Utility the drive would be seen as not mounted, and would not mount manuallyĬ) powering up with the drive made no differenceįollowing an Apple Tip in this thread, I then ran First Aid on the drive using Disk Utility, but.įIRST: attempt a Disk Utility -> Mount, wait a while and close the error message that says can't mount. or another dongle usb-c to usb-3), I would. No matter which drive, no matter how connected (Anker 6-in-1 PowerExpand usb-c hub.
Softraid mac m1 pro#
I have two Seagate 8TB drives, both formatted as eXFAT, which worked perfectly on my 2015 Macbook Pro Retina and an aged Dell M6800 running Windows 10. I had a very similar issue with my brand new Macbook Air M1 with BigSur 11.4
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