Either your hard drive is dead or the boot sector is corrupt. Either way if you get a new hdd then you will need a systems cd. Just an upgrade is no good.
Odd that both drives are not showing in bios
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation techniques
How to mine Bitcoin on Mac
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.