Hacking Question Cannot boot into cfw Emunand after 9.0.0 update on emunand thru the system update

melat

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I was on a 8.1.0 stock Sysnand (with a backup copy of that)
While using 8.1 Emunand (file-based), I was freaking careless to press the update button before launching a title.
That's when the nightmare started - update proceeded and black screen rendered.
After a black screen for 5 min, I force power off my switch, trying to reboot.
1. Kosmos
2. Sept
3. atmosphere
4. triangle shape
Finally gone black and wouldn't boot.

I updated my stock Sysnand to 9.0.0 to see if it could help boot into the Emunand, also could not boot into Emunand.
Then I tried some solutions:
a) migrate Emunand using my 8.1 backup =================> Succeed, booted into 8.1 cfw Emunand
b) create new Emunand (file-based) ======================> Fail
c) create new Emunand (file-based), on another SD card ======> Fail

Could anyone suggest a way to ,at least, make a new Emunand ?:cry:
 
Last edited by melat,

acidrain

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Do you have a game cart in your switch? If so, try to remove it. It fixed it for me. I guess it has something to do with 9.0.0 updating the game cart controller.
 
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