Atmosphere won't boot - Error code: 2101-0001 (0x265)

Symbitic · Dec 7, 2022

My Switch won't boot. I woke it up earlier this morning, but before I could press the same button three times, it crashed to the Atmosphere BSoD.
When I tried launching EmuCFW from Hekate, it gives the blue screen with the following message:

Error code: 2101-0001 (0x265)

I tried backing up my existing atmosphere and bootloader dirs and reinstalling Atmosphere, Hekate, and sigpatches.
Now: When I launch CFW emuMMC from Hekate, the screen goes black and I think it powers off. When I launch CFW sysMMC or Stock sysMMC, it goes to the "Switch" boot logo, then freezes there.

Any idea what could be causing this?

sudeki300 · Dec 7, 2022

what else does it say on the screen when it crashes, there should be another line that starts with program.

randy_w · Dec 7, 2022

Iirc that error code is related to m92t36 power management ic. If you can't even boot ofw then it doesn't sound good.

Can you check the usb c port for bent pins? Also does it charge normally?

Symbitic · Dec 8, 2022

randy_w said:
Iirc that error code is related to m92t36 power management ic. If you can't even boot ofw then it doesn't sound good.

Can you check the usb c port for bent pins? Also does it charge normally?

No bent pins I can see. Not charging. I recently had to take a Lenovo laptop in for repair because it too had stopped charging. It used the same USB-C charger.

Hayato213 · Dec 8, 2022

Problem is the M92T36 Chip

This error code is generally caused by M92T36. 2101-0001 is an error on the i2c bus. This is a faulty M92 in MOST cases. There are cases where it can be something such as a faulty charging cable, excessive force, or accidental damage when inserting and removing the charging cable. It is not usually an error that will just occur on its own for no reason. Because this is a hardware-related (critical) error code, replacing components is your only option.

randy_w · Dec 8, 2022

Symbitic said:
Not charging. I recently had to take a Lenovo laptop in for repair because it too had stopped charging. It used the same USB-C charger.

Likely the m92t36 was fried by the charger. Also don't use 3rd party chargers with switch.

Hayato213 · Dec 8, 2022

Symbitic said:
No bent pins I can see. Not charging. I recently had to take a Lenovo laptop in for repair because it too had stopped charging. It used the same USB-C charger.

What is the output voltage by the usb-c charger?

Symbitic · Dec 8, 2022

Hayato213 said:
What is the output voltage by the usb-c charger?

65W.

Hayato213 · Dec 8, 2022

Symbitic said:
65W.

The Voltage that what I need, like 20V, 15V etc

Symbitic · Dec 8, 2022

Hayato213 said:
The Voltage that what I need, like 20V, 15V etc

If I'm reading it right, the max is 20V (3.25A)

Hayato213 · Dec 8, 2022

Symbitic said:
If I'm reading it right, the max is 20V (3.25A)

Well there is your problem, the switch charge only supply 5v and 15v, so that why your chip blown, you supplied the wrong voltage.

Symbitic said:
If I'm reading it right, the max is 20V (3.25A)

Regarding your laptop, was this charger Lenovo brand?

Symbitic · Dec 8, 2022

Hayato213 said:
Well there is your problem, the switch charge only supply 5v and 15v, so that why your chip blown, you supplied the wrong voltage.

Regarding your laptop, was this charger Lenovo brand?

No, it was third-party. That's my likliest suspect. The charger did say it could also do 15V, but I've stopped using the third-party one. The official Lenovo charger supports the same 65W and volt/amp ranges. Using the official Nintendo charger is problematic because the cord isn't long enough.

Symbitic · Dec 9, 2022

Any suggestions on where or how to get the m92t26 repaired?

Wolvenreign · Jan 27, 2023

Symbitic said:
Any suggestions on where or how to get the m92t26 repaired?

I also wish to know this.

devanglohia · Feb 7, 2023

Guess that, I am in a similar boat now. I had also used a third party USB C charger which was said to be compatible with Nintendo Switch.

But, I am experiencing the same errors and experience. I cannot boot into OFW.

And get the attached error when launching emunand CFW.

Does anyone have a solution for this??

Atmosphere won't boot - Error code: 2101-0001 (0x265)

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