The 1tb drive is now happily formatting away.
The 500gb was going for a short amount of time (after I went into Computer Management and brought it back online)
Then I went to have dinner.
Now it wont work on any computer, using either the e-sata or the usb port.
When you right click on the drive in computer management and then click 'Reactivate' then it comes up with the error 'The operation did not complete. Check the System log for more information'
- check the system log and it directs you to a microsoft website.
- Microsoft site says that it does not know what the error it is.