OK, finally got it working via the following commands. Many thanks once again,

Peter

wget https://dl.dropboxusercontent.com/u/802 ... 911.tar.gz
tar xzf 8188eu-4.4.21-911.tar.gz
./install.sh

Yes my Pi does have a working ethernet link. I'll try the suggestion you make later today Many thanks for your help Peter

Sorry, I thought I had posted the log in in previous post. Here it is, Peter pi@raspberrypi:~ $ uname -a Linux raspberrypi 4.4.21+ #911 Thu Sep 15 14:17:52 BST 2016 armv6l GNU/Linux pi@raspberrypi:~ $ wget https://dl.dropboxusercontent.com/u/80256631/8188eu-4.4.21-991.tar.gz --2017-02-20 13:54:46-- ...

I am having problems at the stage where 'dropboxusercontent' starts to be accessed. My log of the last few commands that failed is below. Can anyone tell me what is wrong? Peter