Chosen Solution
So, I’ve had a bad habit of leaving a game running on my TV and walking away from it. This hasn’t caused any problems in the past until yesterday when I left the switch running animal crossing and stepped away to do some chores which took longer than expected. I came back a few hours later and found that when I went to turn on the switch again, the TV just showed a black screen. The switch seems to be okay and it still charges when I attach it to the dock. I’ve tried just about every version of turning it on and off/unplugging and plugging back in, and the screen still seems to be black. I don’t have the resources to pay for nintendo to fix it and would like to do the repair myself. Any idea how to fix this?
Just to be sure I understand you correctly, the screen on your Switch still shows items on the display, just will not show on the TV, correct? This could be a few things, it could be the issue is with your dock, or the HDMI cable rather than your Switch. Charging and display output use the same port on the Switch, but the signals transmitting through the port are two different systems. Check a different HDMI cable first, and if that still doesn’t make a difference, see if you can get your hands on another dock, or even a USB C to HDMI adapter will likely do the job. If that doesn’t work, then it may be an issue with the port on the Switch. There may be some loose, bent, or damaged pins. You can hav a look into the port with a flashlight to see if anything looks amiss. But if it’s damaged, that’s a repair which requires decent soldering skills. It’s not a super difficult repair if you’ve done soldering like that before, but it isn’t something I would recommend if you’ve never used a soldering iron before. Further, it could be an issue with the motherboard itself. Which is also fixable, but similarly would require specialized soldering skills.
