Update! I noticed it failed after doing an update. I had woke up, checked my system and saw one was updating, light still on. After update, light went off, but motions still worked, then back to normal the next night. So I think it forgets the time when it completes the update or since its IN the schedule, it does not relight. Trying custom times to see if any different. Major flaw in RING firmware that this happens and they seem clueless on the cause and remedy.

I have 4 ring cameras and one of them fails almost every night on the dusk / dawn. When it fails, I turn it on manually and then if it senses movement the light turns Off. Not great to have a light that goes off when it senses a person in the yard. Very bad bug.

Happens all the time. Finally did a factory reset. Will see if that works tonight. Also, when I do a Live view, the cam shows what looks like an Arctic snowstorm. A friend said someone may be using green laser lights. to disrupt. Ring Customer Service says this isn't possible. I can upload some pics after work.

Hey neighbors, thanks for sharing the troubleshooting steps you've tried already. The Dusk to Dawn setting is a [Light Schedule](https://support.ring.com/hc/en-us/articles/360058421812-How-To-Set-Security-Camera-Light-Schedules-), so here are some common troubleshooting steps you can take for a Light Schedule that isn't working as intended. - Delete all of your Light Schedules in order to start from scratch with a new one. - Perform a [reboot](https://support.ring.com/hc/en-us/articles/7438395032980-Rebooting-your-Video-Doorbell-or-Security-Camera) using the reboot option on the Device Health screen. - Fully reset your Camera by holding down the setup button for 20 seconds. After the reset is done, complete a new setup using the steps under Set Up a Device. If your Light Schedule still does not work properly after trying the steps above, I'd recommend getting in touch with our support team for more in-depth assistance. You can give our support team a call at one of the numbers available [here.](https://support.ring.com/hc/en-us/articles/360036196372-Contact-Us) If you are outside of the US, please visit [here ](https://support.ring.com/hc/en-gb/articles/213608406)to see how to contact support.