It should and if it does not boot from that drive tap F12 at boot and make sure to select Windows Boot Manager which will be on the 2230 drive. This description from the support page should help. "The primary drive of your Inspiron 16 7610 is the drive where your operating system is installed."
Hi I have just purchased the Inspiron 7610 with 512GB SSD installed with OS in slot 1 (2230 configuration) I want to add a 2TB SSD (2280 config) as extra storage, but am aware that slot 2 will only allow the 2230 config, whereas slot one will allow both 2230 & 2280 If I simply swap the current 2230 config SSD with OS to slot 2 will the OS still work? I hope that makes sense - thanks in advance 
Inspiron 7610 Second M.2 SSD slot ok for operating system?