External Hard Drive not recognised

I have a Buffalo 2.0TB which until recently has been plugged in a working fine on our mac mini which has since got issues with its internal disk drive and doesn't boot up properly.

We've got a Window laptop which is running Windows 10. Can I access the Buffalo HDD using the laptop?
I've got a USB 3 lead to connect it to the laptop but its not seeing it. (We were using a Thunderbolt lead for the mac.)
Its got lots of precious family photos on it and I don't want to lose them. I hope I've given enough information and that someone might know the answer.

Thanks in advance.
 
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