Hacking Switch Black Screen and in RCM but never hacked before

onfire4g05 · Nov 27, 2021

I have a weird one...

I bought a used Switch from my brother. He had never hacked it/went into RCM. I had it for about two months and did a couple of updates on it without issue. It had updated to 13 (I think? I could join with BT headphones) and worked fine for a couple of days.

Anyway, one day it came up with an error on the screen that it had to reboot. It rebooted ok and I didn't play with it for a few days, but did make sure it was on a charger.

A day or so later I noticed it had the message again. I didn't read the message, and pressed power to reboot... and then it never came back online.

Now it's a brick. I've taken the whole thing apart and tested that fuses look ok, and that there's continuity where it needs to be, etc. I decided to see if there was a way I could possibly hack it, so I connected to my Windows computer and, low and behold, it's in RCM.

I can push things to it, but it's completely unresponsive. Nothing shows on screen ever. I can reboot RCM by pressing power and it'll disconnect and reconnect. I've tried so many different bin files and can't get it to respond. The message from my Android app and Windows computer says it's successful and shows the exploit worked.

So, I'm stuck. Does anyone have any ideas? I'm technically astute, so can generally figure things out. I'm almost wondering if my emmc is bad/corrupted and wondering if there's some way I could restore the Switch? Which is also kind of unfortunate, since I am getting another Switch for Christmas and really just hoping for my game saves.

kcino · Nov 27, 2021

go on the pc go to device manager then disable the switch apx driver then reenable it DO NOT UNINSTALL THE DRIVER then go into rcm and push the hekate payload sometimes if the payload gets stuck or incomplete you can brick it i litterly solved this very issue this morning

PewnyPL · Nov 27, 2021

If I remember correctly, if there is something wrong with the eMMC (missing or corrupted date) Switch automatically goes into RCM. It means that either you have a faulty eMMC module, or with luck, just corrupted data which I believe could be recoverable using payloads... as long as it's an unpatched unit.

onfire4g05 · Nov 27, 2021

PewnyPL said:
If I remember correctly, if there is something wrong with the eMMC (missing or corrupted date) Switch automatically goes into RCM. It means that either you have a faulty eMMC module, or with luck, just corrupted data which I believe could be recoverable using payloads... as long as it's an unpatched unit.

Ah, so I may be on the right track.

Is there a recovery guide that might help recover to factory without having any backups? Most of what I've found is just for those with backups, which I unfortunately don't have.

I'm going to guess the reason I can't get anything on the screen is possibly due to the battery being dead. Originally, it was fully charged but the battery probably died sitting around a few weeks sitting in RCM. Gonna try to charge and reupload stuff and hope I get some sort of response out of it. Guessing it should power on even if the emmc is bad.

kcino · Nov 28, 2021

onfire4g05 said:
Ah, so I may be on the right track.

Is there a recovery guide that might help recover to factory without having any backups? Most of what I've found is just for those with backups, which I unfortunately don't have.

I'm going to guess the reason I can't get anything on the screen is possibly due to the battery being dead. Originally, it was fully charged but the battery probably died sitting around a few weeks sitting in RCM. Gonna try to charge and reupload stuff and hope I get some sort of response out of it. Guessing it should power on even if the emmc is bad.

unfortunately there could be 100 or more reason that your bricked so i suggest going with safe options first like my original suggestion don't go crazy and just throw boot files at it i tried that and screwed myself even worse be careful and try safe options first and then if that docent work and only then tray more risky things but i generally don't recommend it. however im sure pewnypl is right you may have a corrupted file

Draxzelex · Dec 5, 2021

onfire4g05 said:
Ah, so I may be on the right track.

Is there a recovery guide that might help recover to factory without having any backups? Most of what I've found is just for those with backups, which I unfortunately don't have.

I'm going to guess the reason I can't get anything on the screen is possibly due to the battery being dead. Originally, it was fully charged but the battery probably died sitting around a few weeks sitting in RCM. Gonna try to charge and reupload stuff and hope I get some sort of response out of it. Guessing it should power on even if the emmc is bad.

You can try using ChoiDujour but first, you need to get the console detected in RCM.

PhyChris · Mar 30, 2022

I can remember some type of mod that could be done where the switch will 'auto' enter RCM. I had a unit that and forgot I had the 'auto' RCM on there and tried everything lol

JayBae · Mar 31, 2022

onfire4g05 said:
I have a weird one...

I bought a used Switch from my brother. He had never hacked it/went into RCM. I had it for about two months and did a couple of updates on it without issue. It had updated to 13 (I think? I could join with BT headphones) and worked fine for a couple of days.

Anyway, one day it came up with an error on the screen that it had to reboot. It rebooted ok and I didn't play with it for a few days, but did make sure it was on a charger.

A day or so later I noticed it had the message again. I didn't read the message, and pressed power to reboot... and then it never came back online.

Now it's a brick. I've taken the whole thing apart and tested that fuses look ok, and that there's continuity where it needs to be, etc. I decided to see if there was a way I could possibly hack it, so I connected to my Windows computer and, low and behold, it's in RCM.

I can push things to it, but it's completely unresponsive. Nothing shows on screen ever. I can reboot RCM by pressing power and it'll disconnect and reconnect. I've tried so many different bin files and can't get it to respond. The message from my Android app and Windows computer says it's successful and shows the exploit worked.

So, I'm stuck. Does anyone have any ideas? I'm technically astute, so can generally figure things out. I'm almost wondering if my emmc is bad/corrupted and wondering if there's some way I could restore the Switch? Which is also kind of unfortunate, since I am getting another Switch for Christmas and really just hoping for my game saves.

You sure the screen did not just come disconnected or something?

Hacking Switch Black Screen and in RCM but never hacked before

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