Do the Keyboard/Mouse require drivers installed??
Borrow a friends usb mouse & keyboard and confirm they work with XP. If they do and you require drivers for your own but cannot get them, an inexpensive purchase of the two items seems to be the way.
Surface Pro (2017) vs Surface Pro 4
Where HTML5 is headed next
MacBook Pro v Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.