Nintendo has acknowledged Joy-Con connectivity issues which have been reported by users ever since press got their hands on the retail units, noting that players should be careful to avoid items which could be interfering with the controllers.
A support note is in direct reference to the following:
- When using the Joy-Con controllers wirelessly, the characters seem to move on their own or do not respond correctly.
- When used wirelessly, the Joy-Con controllers respond intermittently.
- The Joy-Con controller appears to lose connection with the console.
Online postings indicate it is the left Joy-Con which suffers most problems, though Nintendo has not specifically mentioned this.
Nintendo has a number of tips to ensure you don’t suffer from Joy-Con problems, including not placing the Switch near to a fish tank.
- Ensure your console has the latest system update.
- Ensure the Joy-Con controllers are charged. How to
- Try to decrease the distance between the Joy-Con and the Nintendo Switch console.
- Ensure that the Nintendo Switch console is placed to minimise interference with the Joy-Con. It is best if the Nintendo Switch console is placed out in the open and that it is not: Behind a TV; near an aquarium; placed in or under a metal object; pressed against a large amount of wires and cords; or within three to four feet of another wireless device, such as a wireless speaker or a wireless access point.
- Check for possible sources of interference and turn them off. Interference can be caused by devices, such as: laptops; tablets; wireless headsets; wireless printers; microwaves; wireless speakers; cordless phones; USB 3.0-compatible devices such as hard drives, thumb drives, LAN adapters, etc.
Nintendo concludes that “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: Nintendo Support