Help required, in South Africa, Durban area

[alpinejohn]

Hello xaire

This may be the explanation of your problem. If so, it will also show you what you have to do (your UID on the first computer must match your UID on the second computer).

Link: How to move an ext4 formatted external drive between computers - understanding (UID) problems - worth reading BEFORE YOU INSTALL Ubuntu-Mate

I hope that helps. Let us know how you get on.