Hacking old 3ds not booting up out of nowhere? (CFW + 11.9 system firmware)

[koishuu]

Problem: 3ds won't boot up, blue light is on, no display (black screen), no 3ds green light either (works fine without inserted SD card, tho)

situation: has CFW installed (idk which version since i bought it secondhand with it installed already - apparently has luma, boot9strap, godmode9 from what i can see on PC), accidentally updated system firmware to 11.9 the other week, but it still booted and was working fine yesterday.

solutions i tried and failed:
1. removing the 000000 folders from the Nintendo 3ds folder
2. removing SD card and putting it in again
3. removing SD card then booting it up then putting it in (first time: games appeared in unwrapped form then immediately disappeared. second time: clicked on one of the games and it opened but had a black screen. third time (after removing 000000 folders): games did not appear anymore)
4. holding start while booting. it did nothing, no recovery mode whatsoever.
5. inserting SD card then changing theme

is the problem my versions of the CFW? should i update them? or do i need to remove everything and use Seedminer (as stated in 3ds hacks)? How do I update the CFW? do i need to update every single component?

 

[BaamAlex]

It seems that you are on the latest luma version 9.1. Otherwise delete the whole nintendo 3ds folder and try a fresh start.

 

[koishuu]

It seems that you are on the latest luma version 9.1. Otherwise delete the whole nintendo 3ds folder and try a fresh start.

Hi, I've tried this but it doesn't work. What could be the problem?

 

[BaamAlex]

Hold select at boot and write here which version you have.

 

[koishuu]

Hold select at boot and write here which version you have.

I am apparently on Luma v9.1!

 

[Benja81]

Tried a different sd card?

 

[koishuu]

Tried a different sd card?

I only have one with CFW on it, would a normal one work the same (if i put CFW on it)?

 

[BaamAlex]

I only have one with CFW on it, would a normal one work the same (if i put CFW on it)?

Copy all contents from the old card to the new card.

 

[Quantumcat]

Just put boot.firm from Luma 9.1 on a new card if you try another one. I wouldn't copy and paste the contents in case it is corrupted.

 

[koishuu]

Just put boot.firm from Luma 9.1 on a new card if you try another one. I wouldn't copy and paste the contents in case it is corrupted.

Hi, do I just put that one file (boot.firm) in the new, empty sd card? Or do you mean the whole Luma 9.1?

 

[Quantumcat]

Hi, do I just put that one file (boot.firm) in the new, empty sd card? Or do you mean the whole Luma 9.1?

Yes just boot.firm. Download it again in case there's anything wrong with the one on your SD card. https://github.com/AuroraWright/Luma3DS/releases

 

[koishuu]

Hi everyone! Thank you so much for the replies, but I tried doing the whole removing SD Card then putting it in after booting it up and it works now???????? Thank you so much for your help!