Toshiba hddr160e03x external usb hard drive not showing up

[Chiboy]

I have a hddr160e03x by Toshiba, it does not show up on one machine with Windows 7 but it does on another with Windows 7. I want to use it with a Wii but it won't show up on the Wii, it is compatible. I don't understand why it doesn't show up on one machine but does on another. Can I try a firmware update? What can I do? Thanks.

 

[jamesmcuk]

if you plug it in to the machine where it does not show up can you view it under the Disk Management Section of the Computer Management Prog?

Type "Computer Management" in the search box in start menu followed by enter to open Computer Management Prog.