Add Product

Search Results:

New Member
Posts: 1
Registered: ‎08-13-2022

RocketFish 4K hdmi switch does not output to TV


I have a RocketFish 4K HDMI switch newly purchased, and I'm having a hard time getting it to output anything to my TV (LG WebOS). I have tried multiple HDMI cables (same brand, 4K-advertised). My devices always work when directly plugged into my TV, but I can't get any inputs to register through the switch - the TV always shows no signal no matter which I am cycling through. Yes, I have checked the power and both sides of connections multiple times over, and tried cycling the 5V power connection.

The strangest thing of all is, after repeated attempts, maybe 1 time in 10, I can get the picture to work through the switch for maybe 10 seconds, or until I switch inputs back and forth, whichever comes first. It would make me think it was a cable problem if it didn't always work when plugged in directly, and that the cables were all new.

I tried turning on CEC in a hail mary, and have considered turning off Ultra HDR, but I don't really want to as the switch says it supports it.

Any advice would be appreciated; I'm at the point where I want to return it and explore alternative brands.

Posts: 152
Topics: 1
Kudos: 16
Solutions: 10
Registered: ‎11-24-2021

Re: RocketFish 4K hdmi switch does not output to TV

Hi, Rome_Leader,


Thank you for reaching out to our Best Buy Community Forums and for your purchase with us.


You have really put a lot of work into finding a solution. Therefore, I can understand your frustration and the need to reach out. Unfortunately, it seems as though you have tried all of the trouble shooting techniques that we would recommend in this situation. The next option would be to exchange it for another. I'd be happy to assist you with an exchange. If interested, kindly provide your full name, phone number, and email address in a private message so that I can assist you further.


Kindest Regards,

Tina|Senior Social Media Specialist | Best Buy® Corporate
As of March 20th, our Forums will no longer be available. For future support, you can reach out to us on Social Media or