My Windows Wireless Keyboard & Mouse 700 v2.0 won't work with my latest Windows 10 upgrade, how can I fix it?

[Windows Central Question]

My Windows Wireless Keyboard & Mouse 700 v2.0 wont work with my latest Windows 10 upgrade

My Wireless Keyboard & Mouse 700 v2.0 was working fine with WIndows 10. It then upgraded the other day and has not worked since. The mouse and keyboard work fine with my work laptop which runs Windows 7.