FAT32 external drive keeps needing repair/restore

Hey folks,
I recently received a Samsung TV that I have been hooking an external USB drive to but it requires it be formatted in a FAT32 file system. So I do this, and copy files over from my mac and everything works fine.
However, when I unplug the hard drive from the tv and plug it back into the computer after one or two times or so, the mac won't recognize or mount the drive. When I open up disk utility and verify it, it says it needs a repair: (unable to read directories, input/output error) attempt a repair, it says it is not possible, so I just have to erase it and reformat. I've done this probably 3 times, so far--does anyone have any suggestions on how to keep it from happening in the future? I've noticed that the last time it happened, it had connected to my mac and was copying files, then stopped and told me that I was unable to read/write the disk. Then, when I ejected and plugged it back in, it was unrecognizable.
Thanks, and apologies in advance if I haven't found this issue addressed previously.

How are you removing this drive from your TV? If you just unplug it without ejecting it in some way, then each time you remove it from the TV you are probably corrupting the drive. You should check your TV's manual to determine the correct procedure for disconnecting a drive.

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