Try with no SD card. If the blue light goes on then off try with a new SD card with just boot.firm from Luma 9.1 on it. Does the home menu work after that? If so, put your original SD card back in and see if things work. You probably have some corrupted data. Try deleting home menu extdata and see if that helps your console have the home menu work with the original SD card. If it doesn't, you have some corrupted data somewhere else.
Ok, in my advice replace "boot.firm from Luma 9.1" with "arm9loaderhax.bin from Luma 7.0.5"I tried, but since I didn't update to B9S, my 3DS won't start without a SD card. And my 3DS was off when my cat dropped it, how did it corrupt my data?
It wasn't. I never put my 3DS in Sleep Mode.Ok, in my advice replace "boot.firm from Luma 9.1" with "arm9loaderhax.bin from Luma 7.0.5"
Are you sure it wasn't in sleep mode?
Run a check on you SD card. It sounds corrupted.
If you have another SD card, try Quantumcat's advice. If you have another SD adapter try that. I've had those go flaky on me even without a drop.
When you say everything loads, do you mean it works again?It wasn't. I never put my 3DS in Sleep Mode.
Also an update: i removed my SD card from my microSD adapter, reinserted it again and turned the 3DS on. Everything loads, but it takes forever, like 20 or 30 seconds (it loaded everything instantly before)
When you say everything loads, do you mean it works again?
No. It is still the same thing as before.
I would rename the home screen title directory and boot it up to see if that fixes it.
USA - 0004003000008F02
EUR - 0004003000009802
JPN - 0004003000008202
It could also be because of badges, so disable those too.