On boot-up do you get the Toshiba splash screen before it closes down? Try getting to the bios or temporary boot order window and see if the Hard drive is listed.
Having problems posting at the moment so apologies for slow replies.
Samsung Galaxy S8 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
How to get WWDC 2017 tickets
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.