So, it looks like these issues are specifically related to Monterey, and even though changing the partition type to APFS helps (on a different system), it does not resolve the issues completely. After re-connecting it to my old MacBook, I was able to erase it without any issues. I ran Disk Utility to erase it and try again, but it got stuck during the erase process. Apples Hierarchical File System is an alternative to FAT32 (also known as OS X extended in Apples Disk Utility) and allows you a bigger storage than 32GB. Be sure the 'Quick Format' option is not checked, and the Volume Label is blank. Find the drive for the Centon device, right-click on its drive letter and click Format.
In the Computer Management window, click Disk Management. I set it up as Time Machine backup, and even though the first data transfer was successful, Time Machine got stuck with a “waiting to complete first backup” message. Right-click My Computer, then click Manage. After that, it was successfully mounted on my new MacBook Pro. I ran Disk Utility (on the old MacBook running Mojave) and re-initialized it with a single APFS partition (as opposed to HFS+). Open up File Explorer and right-click on. It should look like the Mac has been restarted if so, please Release the button when you hear the second start. Format Hard Drive in exFAT for both Mac & Windows PC Plug-in your drive into the computers USB port. I then connected it to my old MacBook (via a USB cable) and it got mounted without any issues. To do this, close or restart the Mac, reopen it and immediately press the four keys for at least 20 seconds: Options, Commands, P and R. Click on the Format menu and choose either MS-DOS (FAT32) or ExFAT. Click on the USB drive in the sidebar in Disk Utility.
When I first connected it, it failed to mount (the “mount_hfs” process was stuck indefinitely). Go to Applications>Utilities and launch Disk Utility.
#HOW TO FORMAT USB DRIVE NOT RECOGNIZED ON MACBOOK PRO PRO#
I’m having similar problems with the 2021 MacBook Pro (running Monterey) and a brand-new G-Drive (USB-C).