Backed up to it OK except for couple of write errors which recovered OK. On restart always wanted to run Scandisk which would take long time so decided to reformat (on my own PC) and reconnected.
Drive then not reckognized.
Removed s/w and re-installed. Then problem. Maxtor drivers seem to load OK, drive shown in Task Bar and Devise Manager USB Controllers but drive not shown in Windows i.e. in My Computer or Explorer. Trying to use gives message "drive not found"
Sorry for long posting.
Bye the way the Maxtor Dantz software is rubish - I callled Dantz & even the guy there did not understand it. Whoever agreed to release it should be shot!