AC1750 upload light orange

AC1750 is a speed and not a model.

Are you having issues? more details than just orange light helps us to help you. 

Please go into more details about the issue you're having, router model number, firmware on router, and modem you're using.

you can go to netgear.com/support/ and type in that model number. It'll give you manuals, firmware, install guides. The manual will havin info on what the leds mean as well as troubleshooting.