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iMac does not recognize thumb drives. Tried several thumb drives, none work but all work on my windows machine. A few months ago when I last used the same thumb drives on my iMac....no problem all worked fine. Any suggestions?
If they work on WINDOWS, then they may not be formatted for your iMac to recognize.
Using Disk Utility can format them to where you can use them on BOTH Win and Mac. I BELIEVE that 'Ex-Fat' format is what you're looking for.
HOWEVER, if you reformat a drive, you will LOSE all data on it, so be sure to save it BEFORE reformatting.
If they work on WINDOWS, then they may not be formatted for your iMac to recognize.
Using Disk Utility can format them to where you can use them on BOTH Win and Mac. I BELIEVE that 'Ex-Fat' format is what you're looking for.
HOWEVER, if you reformat a drive, you will LOSE all data on it, so be sure to save it BEFORE reformatting.
They were originally formatted on my Mac. They previously worked on my Mac.
Are you connecting the drive directly to your Mac Not through a hub but you can use a simple USB-C to USB-A adapter.
Do they show in Disk Utility?
Do the USB ports work for other devices?
Direct connection. They do not show in disk utility. Yes the USB ports work for other devices.
If they originally worked on your iMac, then they may not have worked on Windows. A reformat is quick and easy, I'd try that first.
iMac does not recognize thumb drive
