It's not reasonable for a laptop only to have a life of 14 months. I would contact Sony again but reading through the whatlaptop forum, they don't appear to be easy to deal with. Have you asked Dixons if they can do anything even if out of warranty?
Hands-on: Acer Predator Triton 700 review
1995-2015: How technology has changed the world in 20 years
This poetic animation about monsters is illustrated in a Van Gogh painterly style
Apple predictions 2017
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.