Hacking Question PC doesnt detect my switch when I plug it

TheDukeflied · Sep 5, 2019

Hi Everyone,

I decided to install a custom firmware on my low serial switch (Not my first switch to use CFW on),
When I plug the jig and plug the USB-C on my PC,
PC doesnt detect a driver and no sound come out of the PC (Though the switch will be charging if the RCM is not enabled),
I have changned the PC and the Cable, the same issue appeared I even removed the APX driver and installed it again and it didnt work,
However the same set up on my second switch works just fine, is this a common and is there is a fix for it?

linuxares · Sep 5, 2019

Try cleaning the port with isopropyl alcohol and a toothbrush. Might just be gunk on the data lines.

comput3rus3r · Sep 5, 2019

TheDukeflied said:
Hi Everyone,

I decided to install a custom firmware on my low serial switch (Not my first switch to use CFW on),
When I plug the jig and plug the USB-C on my PC,
PC doesnt detect a driver and no sound come out of the PC (Though the switch will be charging if the RCM is not enabled),
I have changned the PC and the Cable, the same issue appeared I even removed the APX driver and installed it again and it didnt work,
However the same set up on my second switch works just fine, is this a common and is there is a fix for it?

sounds like a patched switch too be honest.

Kafluke · Sep 5, 2019

comput3rus3r said:
sounds like a patched switch too be honest.

Patched switch has nothing to do with RCM. It will still detect in a PC you just cant tegrasmash it.

TheDukeflied · Sep 5, 2019

linuxares said:
Try cleaning the port with isopropyl alcohol and a toothbrush. Might just be gunk on the data lines.

I tried it as well, but I may need to do it in a better way.

linuxares · Sep 5, 2019

TheDukeflied said:
I tried it as well, but I may need to do it in a better way.

Just to be sure, can you try another cable? It however sounds like something with the port itself is damaged. Does it work in a dock for example?

TheDukeflied · Sep 5, 2019

linuxares said:
Just to be sure, can you try another cable? It however sounds like something with the port itself is damaged. Does it work in a dock for example?

I checked several USBs/PCs and the same, issue started with the "usb device not recognized" so I siwtched the Switch off by pressing 12 second on the power and plugged it to the dock, all was good on the dock but when I plugged the switch back to the PC nothing happen on the RCM mode and on the OFW it charges normally but no driver detected on the PC,
As you said this seems to be the Port.

Yoni Arousement · Sep 5, 2019

Two different PC's and USB cables can recognize my Switch after I installed the libUSBK drivers on both of them. So it can't be because the USB cables or USB ports are bad.

erg274 · Oct 26, 2020

Have you resolved this issue by any chance

Draxzelex · Dec 22, 2020

erg274 said:
Have you resolved this issue by any chance

Try using other cables or ports.

bloodymargiela · Oct 31, 2022

Yo bro I’m having the same exact issue did you even find out how to fix it?

Advanced User · Oct 31, 2022

The same thing happened to one of my Switches two years ago. I'm pretty sure it means the chip controlling USB devices/data got irreparably damaged by overcurrent (a professional Switch repair guy had a look at it and confirmed it back then). It has nothing to do with the USB port. Unfortunately Switch has no protections against this happening. As a result you can still charge the Switch and use the dock (those functions are controlled by two different chips), but you can no longer use any USB devices such as gamepads, and of course you can no longer hack it.
My solution was to buy a new Switch and be extra careful with it (for instance, no third party chargers).

I suppose with the right equipment and a donor chip this could be fixed, but it would be a pretty major undertaking.

superxoi · Jan 3, 2024

Advanced User said:
The same thing happened to one of my Switches two years ago. I'm pretty sure it means the chip controlling USB devices/data got irreparably damaged by overcurrent (a professional Switch repair guy had a look at it and confirmed it back then). It has nothing to do with the USB port. Unfortunately Switch has no protections against this happening. As a result you can still charge the Switch and use the dock (those functions are controlled by two different chips), but you can no longer use any USB devices such as gamepads, and of course you can no longer hack it.
My solution was to buy a new Switch and be extra careful with it (for instance, no third party chargers).

I suppose with the right equipment and a donor chip this could be fixed, but it would be a pretty major undertaking.

did the guy tell you which component causing it? i have a problem with my switch now which can charge but can not tranfer file. i have changed 2 port still the same so the problem definitely not the charging port.

urherenow · Jan 3, 2024

Possibly the PU13USB chip.

superxoi · Jan 3, 2024

urherenow said:
Possibly the PU13USB chip.

maybe. i will change it in tomorrow to see if it works or not.

Hacking Question PC doesnt detect my switch when I plug it

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