Unable to mount external hard drive

I have an external Toshiba hard drive that I was using, but last time I was working on a file and had to unmount it, it gave me a warning but said unmount anyway?, which I did, because I needed to use that same USB to plug in the printer to print the document.

Now nothing happens at all when I plug the USB in.

Am I able to get it to work again, or is there a way to get to the data on there?

Please talk to me as if I'm five years old. I'm NOT tech savvy.

Welcome to the forum!

Does your external hard drive have any light indicating operation when you plug it in? Or can you hear the drive spinning when you've got it plugged in?

And when it's plugged in , if you open the "Disks" application, does it list the drive on the left in the window that opens? Basically I'm wanting to see if it's at least seeing the drive and maybe just isn't mounting correctly.

yes, light goes on
yes, spinning
yes, it's listed in discs (thanks; i didn't know about that)

When you select the drive in the app disks and press the play button :play_button: to mount the drive, does that work?

i tried that and got this message

Welcome to the Forum!

What Data are on this Drive?

well if im seeing it correctly its a boot drive format NTFS/efat/HPFS

I see this, too... But if it is "dirty" by a forced unmount, the system may be unsure what format it is.
@zorinnewbie2, can you open a terminal and run:

sudo blkid /dev/sda1

That should show the format. If it shows as NTFS, with it plugged in, light on, can you open a terminal and run

sudo ntfsfix /dev/sda1

If it shows exFAT or if it shows EXT4, instead run:

sudo fsck -f /dev/sda1

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@zorinnewbie2, can you open a terminal and run:

sudo blkid /dev/sda1

That should show the format. If it shows as NTFS, with it plugged in, light on, can you open a terminal and run

sudo ntfsfix /dev/sda1

THANK YOU, I did that and it worked
thank you soooooooo much!!

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