Switch Lite (Mariko) stuck on Nintendo Switch logo in both OFW and CFW – eMMC OK, NAND Fix Pro L1/L2 didn't help

alberto90

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For the past two days, my Nintendo Switch Lite (Mariko) has been getting stuck on the black Nintendo Switch logo screen during boot and never goes any further.

The issue happens whether I try to boot into OFW or CFW using the latest version of Atmosphère.

The strange thing is that this started completely on its own. It wasn't caused by a firmware update, Atmosphère update, or any other modification. One day it simply stopped booting properly, so I have no idea what triggered it.

I've already tried running both Level 1 and Level 2 in NAND Fix Pro, but neither solved the problem.

Before attempting Level 3 (which I don't think is appropriate in my case), I'd like to ask for your opinion. In Hekate, under Console Info → Internal eMMC Info, everything appears green, as shown in the attached screenshot, so the eMMC itself doesn't seem to report any obvious issues.

I also tried running Fix Archive Bit, but it didn't find anything to repair or remove.

I know that in some cases a problem like this can be caused by a corrupted folder or file, and simply deleting it is enough to make the console boot normally again.

Does anyone have any idea what could have happened or what else I should try before moving on to Level 3?

Thanks in advance to everyone who takes the time to help.
 

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I'm not sure how you determined your eMMC is ok since Hekate doesn't have any built-in utilities that determine the integrity of the system, it only shows partitions presence on the drive.

You should always test your boot sequence on emuMMC because that should give you the signs if you have corrupt NAND on the physical partitions.
 
I'm not sure how you determined your eMMC is ok since Hekate doesn't have any built-in utilities that determine the integrity of the system, it only shows partitions presence on the drive.

You should always test your boot sequence on emuMMC because that should give you the signs if you have corrupt NAND on the physical partitions.
How can I do that?
 
Make a new emuMMC from that presumably corrupt NAND to check if it boots sucessfully or not.
If its the same outcome you can start the unbricking process on your emuMMC until it boots past the Nintendo logo.
If you get that fixed then you can move onto the real deal your eMMC.

Why do it in this manner?
Because a black screen doesn't always mean corruption.
 
Make a new emuMMC from that presumably corrupt NAND to check if it boots sucessfully or not.
If its the same outcome you can start the unbricking process on your emuMMC until it boots past the Nintendo logo.
If you get that fixed then you can move onto the real deal your eMMC.

Why do it in this manner?
Because a black screen doesn't always mean corruption.
Same problem
 

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