"Failing that I will probably just end up sticking with the long winded and arduous way of entering the IP address in File Explorer"
or setup a batch file containing the following text and place it on your desktop. click the file before loading explorer for the first time of the day. Clumsy I know but it will save you the typing. The delete line eliminates the already in use message you are getting,
content starts below.................
echo Deleting old instance of y:
net use y: /delete
net use y: "\\192.168.1.50\My Video" /persistent:yes