- Right click Steam icon in desk tray, pick SteamVR. Wait until you see it started up.
- Power on BOTH controllers. Wait until they both have green lights.
- Power through all your trackers one by one waiting for the next one until the previous units light is green.
- Is the tracker currently powered or has it run out of battery already?
- POWERED: Cover the tracker / hide it from lighthouse view, and watch the SteamVR panel, the one that turns grey is that tracker. Right click it and pick turn off.
- NO POWER: Skip this step.
- Turn on the new tracker wait for green light.
- Go into Tracker Assignment and assign the new (green icon) tracker to the position you replaced (knee/foot/whatever)