Hacking booting into emuMMC fails - black screen

kuzya · Mar 11, 2020

I was following the guide at https://switch.homebrew.guide/

Created the emuMMC on windows. Formatted Primary Partition is FAT32.

Switch is on 5.1.0.

Hekate is 5.1.2

I click on the launch, Choose CFW (EMUMMC) and it shows the Kosmos screen, nintendo switch
and after that dark screen. I was able to get into Emu the first time after the setup.

The switch is not patched, I checked. I used fusee-gelee exploit.

Thank you!!

Deleted User · Mar 11, 2020

kuzya said:
I was following the guide at https://switch.homebrew.guide/

Created the emuMMC on windows. Formatted Primary Partition is FAT32.

Switch is on 5.1.0.

Hekate is 5.1.2

I click on the launch, Choose CFW (EMUMMC) and it shows the Kosmos screen, nintendo switch
and after that dark screen. I was able to get into Emu the first time after the setup.

The switch is not patched, I checked. I used fusee-gelee exploit.

Thank you!!

MiniTool Partition Wizard works great

If you run exfat make sure drivers are installed or black screen - Load up stock with sd card inserted and take update if asked

Create 1st partition I do Exfat and leave 30GB for 2nd partition
Create 2nd partition 30GB fat32

Load hekate - emummc - create - hidden

This works for me every time and only had problems with walmart oNN cards (They dont always load dual boot) or cheap cards

kuzya · Mar 11, 2020

I have fat 32 and Linux Swap as partitions on the sd card. I followed the guide.

Which drivers do I need to install?
Are you saying I should update the Stock (SYSNAND) to the latest version (9.2.0)?

I have three options in hekate:

CFW (sysnand) - not sure what this is(?)
CFW (emummc) - emulated nand (on the sd card)
stock sysnand - stock system not on the sd card

Thank you

Deleted User · Mar 11, 2020

kuzya said:
I have fat 32 and Linux Swap as partitions on the sd card. I followed the guide.

Which drivers do I need to install?
Are you saying I should update the Stock (SYSNAND) to the latest version (9.2.0)?

I have three options in hekate:

CFW (sysnand) - not sure what this is(?)
CFW (emummc) - emulated nand (on the sd card)
stock sysnand - stock system not on the sd card

Thank you

Follow my steps fat 32 or exfat work

Deleted User · Mar 11, 2020

kuzya said:
I have fat 32 and Linux Swap as partitions on the sd card. I followed the guide.

Which drivers do I need to install?
Are you saying I should update the Stock (SYSNAND) to the latest version (9.2.0)?

I have three options in hekate:

CFW (sysnand) - not sure what this is(?)
CFW (emummc) - emulated nand (on the sd card)
stock sysnand - stock system not on the sd card

Thank you

sysnand = single boot

kuzya · Mar 11, 2020

Load hekate - emummc - create - hidden
I don't understand this line. I am new to this.

I wanted to keep stock to play online.
Can I still have emuNand for homebrew and stock for online gaming?

Deleted User · Mar 11, 2020

kuzya said:
Load hekate - emummc - create - hidden
I don't understand this line. I am new to this.

I wanted to keep stock to play online.
Can I still have emuNand for homebrew and stock for online gaming?

Once partition is setup:

launch hekate
Choose emummc
Choose Create emummc
Choose hidden

You can auto boot emummc by telling hekate to do so in option of hekate

You can launch any 3 from hekate manually as well -

Stock = Online / Normal switch

CFW sysnand = what you don't want since you want to keep online

EmuMMC cfw is dual boot emunand and thats what you want

kuzya · Mar 14, 2020

Ok. so full process is:

1) update the stock to the latest version.
2) Using the MiniTool Partition Wizard, create two partions:

Create 1st partition I do Exfat and leave 30GB for 2nd partition
Create 2nd partition 30GB fat32

Put the files on the: hekate and other stuff on the 1st partion.
Launch hekate, emummc, create emummc, choose hidden.

Select auto boot.

Launch EmuMMC or Stock for Online.

Is this correct?

Thanks.

Goku1992A · Mar 14, 2020

Depending on your SD card you may get a black screen. Sandisk Ultra the redd ad grey and the Grey and Gold Works the best. (Talking aboutExfat) If you do FAT 32 then your EMUMMC Partiition MUST be 31gb and FAT32.

If you have any other brand just FAT32 both of your partiitions but dont forget the EMUMMC must be 31gb

kuzya · Mar 18, 2020

Goku1992A said:
Depending on your SD card you may get a black screen. Sandisk Ultra the redd ad grey and the Grey and Gold Works the best. (Talking aboutExfat) If you do FAT 32 then your EMUMMC Partiition MUST be 31gb and FAT32.

If you have any other brand just FAT32 both of your partiitions but dont forget the EMUMMC must be 31gb

It is not working. I created 2 FAT32 partions, EMUMMC is 31 gb. I clicked on create emuMMC , sd card and it created the emuMMC on the wrong partition. It doesn't come up as an option when I click Launch on hekate.

There is no way to select where to create the emuMMC.

Thanks.

kuzya · Mar 18, 2020

I was able to install the EMUMMC but had to inject the TegraExplorer.bin.
I formated the card using the options.
SD Format and press the power button to enter the SD format menu
Navigate to Format for EmuMMC setup.

After that I put all the files back on the card.
I went to Create emuMMC and picked the sd file option.
I enabled the emuMMC but the EmuMMC option was not available on the Launch screen.

I added the following
{------ Atmosphere ------}
[Atmosphere FSS0 EmuMMC]
fss0=atmosphere/fusee-secondary.bin
kip1=atmosphere/kips/*
icon=bootloader/res/emu_boot.bmp
{}
to the ini file.
It is available now and when I select the EmuMMC, I get a black screen.

DafKA30 · Mar 27, 2020

Let me share my experience.

I updated my switch to the latest firmware. Then I formatted my SD card in FAT32 and made a SD Files emuMMC partition. The result was the same as yours, black screen after the atmosphere logo.
I formatted my SD card in ExFAT and made the emuMMC again. It worked.
I also got an update for the sdxc cards before doing the emuMMC so I guess now the emuMMC can only work with exFAT cards. So try to format your SD in exfat and perform a SD Files emuMMC.

I also need to say that when I formatted my SD with TegraExplorer.bin -> Format for EmuMMC setup, it worked fine. I don't know why SD Files version now only accept exFAT.

Naxster · Mar 27, 2020

kuzya said:
I was able to install the EMUMMC but had to inject the TegraExplorer.bin.
I formated the card using the options.
SD Format and press the power button to enter the SD format menu
Navigate to Format for EmuMMC setup.

After that I put all the files back on the card.
I went to Create emuMMC and picked the sd file option.
I enabled the emuMMC but the EmuMMC option was not available on the Launch screen.

I added the following
{------ Atmosphere ------}
[Atmosphere FSS0 EmuMMC]
fss0=atmosphere/fusee-secondary.bin
kip1=atmosphere/kips/*
icon=bootloader/res/emu_boot.bmp
{}
to the ini file.
It is available now and when I select the EmuMMC, I get a black screen.

Instead of fusee-secondary.bin try to write fusee-primary.bin instead. Like this;

fss0=atmosphere/fusee-primary.bin
And keep the rest like they are.

That worked for me a long time ago when i had similar problem.
Also check if you have fusee-secondary.bin or fusee-primary.bin

kuzya · Mar 29, 2020

It was a bad sd card. I tried another card and everything is working.

Thanks for all the help

Hacking booting into emuMMC fails - black screen

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