How to test a led driver - a simple walkthrough

If your lights are flickering or won't turn on at all, you're probably trying to figure out how to test a led driver without making a mess of things. It's one of those annoying household mysteries—did the actual LEDs burn out, or is the little power box tucked away in the ceiling acting up? Most of the time, it's the driver. These components are basically the "brains" of the operation, converting high-voltage AC from your walls into the low-voltage DC your lights actually need. When they fail, everything goes dark. ...

February 11, 2026 · 7 min · Breen Thorman