The Nintendo Switch is out, and with it come the hardware problems that accompany wide release. [ ] Try to decrease the distance between the Joy-Con and the Nintendo Switch console. Ensure that the Nintendo Switch console is placed to minimize interference with the Joy-Con. In most cases it will be enough to move these devices three to four feet away from the Nintendo Switch console and/or Joy-Con controllers. However, if you continue to experience this issue, please power these devices off while using the Nintendo Switch console.
Source: Forbes March 04, 2017 17:22 UTC