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How to get Govee lights working with a computer over your own network — the setup, the model compatibility, and the things that usually go wrong.

Start here

Which Govee lights work with screen sync over LAN? 34 models with confirmed realtime LAN control, with the segment count and form factor of each.
How to enable LAN Control on your Govee lights Where the toggle lives in Govee Home, and the five reasons a device still will not appear.
“GLanSync is damaged and can’t be opened” Why macOS says that about a not-yet-notarized app, and how to open it on macOS 13, 14 and 15.
Govee screen sync on a Mac: what your options actually are Camera kits, HDMI sync boxes, or driving the lights over LAN — what each route costs and gives up.

Getting your lights arranged

Govee devices report how many segments they have over LAN, but never where those segments physically sit. These three explain how to tell the app, and how to check it on the lights rather than guess.

Light bars: getting the segment order right A pair of bars is one device with its segments end to end, so sync can come out mirrored or upside down. H6046, H6047, H6048, H6056.
TV backlight: start corner and direction Where the loop begins and which way it turns, so the picture stops arriving rotated. H6167, H6168, Strip M1.
Glide panels: mapping each panel to the screen Identify, look, place. Hexa, Hexa Pro, Hexa Ultra, Tri, Y and Wall.

Using it day to day

Music sync: microphone or system audio? The difference, which to pick on macOS and Windows, and why headphones change the answer.
Alexa and screen sync at the same time They coexist — the last command wins. How to keep voice control and sync out of each other's way.

Something missing?

If you hit a problem that is not answered here, mail [email protected]. Questions that come up more than once end up on this page. Model numbers are especially welcome — a confirmed working model gets promoted on the device list.

Download GLanSync — free during launch