I've actually just sorted it out myself by tinkering around with it. I added a partition, then formatted it. Then unplugged it and plugged it back into the system, Et Voila!
The computer once again recognises it, and happiness has been restored :D
This thread is now locked and can not be replied to.
1995-2015: How technology has changed the world in 20 years
How to Draw Realistic Female Superheroes
Best Mac security tips: 11 maximum security tricks to keep your Mac safe
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.