RB2011UAS-2HND-IN Reboot Loop HELP

So the device is not booting at all.

Shows ‘routerboot configuration’ then ‘loading kernel from nand’ then beeps once power cycles then back to ‘routerboot configuration’


Anyone got some advice

My main sys is Mac OX 10.9.5 Although I have access to a Ubuntu Box and a Windows 8.1 unit if needed

On your windows8 pc
Copy netinstall en folow the netinstall procedure like here
http://www.wirelessinfo.be/index.php/mikrotik/pages/netinstalle