# HMI + Photon. Which one HMI? Wifi off?

**URL:** <https://community.particle.io/t/hmi-photon-which-one-hmi-wifi-off/41427>\
**Category:** Troubleshooting\
**Created:** [April 27, 2018, 3:14am UTC](https://community.particle.io/t/hmi-photon-which-one-hmi-wifi-off/41427 "2018-04-27T03:14:28Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![ScruffR](https://sea2.discourse-cdn.com/flex026/user_avatar/community.particle.io/scruffr/32/6952_2.png) [@ScruffR](https://community.particle.io/u/ScruffR)\
**Post date:** [April 27, 2018, 3:30pm UTC](https://community.particle.io/t/hmi-photon-which-one-hmi-wifi-off/41427/8 "2018-04-27T15:30:57Z")

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There are plenty of threads that can be found with the search terms "run without internet".  
What goes without internet goes just as well without WiFi.

One of the more recent results would be this

> [@Without external Internet, Particle won't run](https://community.particle.io/t/without-external-internet-particle-wont-run/41320/2):
>
> You probably want to use SYSTEM\_THREAD(ENABLED). In the default AUTOMATIC SYSTEM\_MODE with threading off, setup and loop are not run unless cloud connected. Using any of the non-default modes (system thread enabled, SEMI\_AUTOMATIC, or MANUAL) allow setup and loop to run all the time. [https://docs.particle.io/reference/firmware/photon/#system-thread](https://docs.particle.io/reference/firmware/photon/#system-thread)

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_[View the full topic](https://community.particle.io/t/hmi-photon-which-one-hmi-wifi-off/41427)._