Mark Twain wrote:
I just tried to do my monthly backups on the 8500
this time but it's not recognizing the HD? However, I'm
able to safely remove the USB connection, so what gives?


Thanks,
Robert

Don't know what the problem could be.
Would need to start investigating and trying different things.
Reboot, replug, reinstall, repair, etc.
However, if it were me I would just install the version that worked.