I can't see my external hard drive connected to my TC

I can't see my external hard drive connected to my TC, I have connected to the USB port on my TC but cannot see it , any ideas

Hello Bob,
I have a powered hub plugged into my Time Capsule.
Into the powered hub I have a printer; printer works fine.
Into the powered hub I have an ExFAT formatted disk.
The ExFAT disk is seen in the AirPort Utility as an "AirPort Disk".
I cannot see the ExFAT disk in Finder or in Window's "My Computer".
When I plug the ExFAT drive directly into Mac or Windows computers the drive is seen in Finder and My Computer.
When the ExFAT drive is plugged directly into Mac or Windows both can read and write files.
Do you think that I need to format the USB ExFAT drive as FAT 32?
I have heard mention "need to map the drive". Do you think this would help?
Thank you for your time.
Rob

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hernandofromcornwall wrote:
Richard
I download all pictures and videos that I had in the windows pc in the new hdd. I am trying to see and watch those files on my iPad . I am thinking that since the files are jpeg and mpeg the iPad should read it.
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   2:          Apple_CoreStorage                         120.5 GB   disk0s2
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I can't see my external hard drive connected to my TC

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