Some game carts stopped working.

[rufuszombot]

I was playing Skyward Sword and mid game it stopped working saying game card error. I updated the system and restarted and Im still getting the sams error.

I tried some other games: Metroid Dread, Metroid Prime, Binding of Issac, Axiom Verge, and Cave Story. Of those games, the Metroid games didn't work, but the others did. Looking at the backs some are black (didn't work) and some are green (did work). I'm assuming it has something to do with capacity.

Is there anything that could cause this that I can fix or am I going to have to replace the card reader?

I did recently replace the fan and thermal paste.

 

[linuxares]

I would say you probably did the issue I did. The game cart connector is really bad, like you nudge it and it loses its connection. Press down firm on it! I managed to disconnect it when changing thermal paste.

Edit: step 20 you see it, the little bastard.
https://www.ifixit.com/Guide/Nintendo+Switch+Headphone+Jack+and+Game+Card+Reader+Replacement/113113

 

[rufuszombot]

I would say you probably did the issue I did. The game cart connector is really bad, like you nudge it and it loses its connection. Press down firm on it! I managed to disconnect it when changing thermal paste.

Edit: step 20 you see it, the little bastard.
https://www.ifixit.com/Guide/Nintendo+Switch+Headphone+Jack+and+Game+Card+Reader+Replacement/113113

I did initially not plug it in all the way and had to go back in to reconnect. I'll try reconnecting it and see what happens. I have a new joycon rail coming tomorrow since it's not charging my joycon, I'll just take a look tomorrow when i replace that. My Switch has been through a lot since 2017.

Edit: I made sure the card reader was inserted properly with no luck.

 

[linuxares]

I did initially not plug it in all the way and had to go back in to reconnect. I'll try reconnecting it and see what happens. I have a new joycon rail coming tomorrow since it's not charging my joycon, I'll just take a look tomorrow when i replace that. My Switch has been through a lot since 2017.

Edit: I made sure the card reader was inserted properly with no luck.

Hmm... maybe it called it quits?
If possible, can you remove the connector and take a close snap of the motherboard connector and the connector itself for the card reader?

Maybe the pins in the card reader itself are dirty and need some love and attention?