Help with Boot.dat? Screen

Discussion in 'Switch - Exploits, Custom Firmwares & Soft Mods' started by noenoe86, Dec 2, 2019.

  1. noenoe86
    OP

    noenoe86 Newbie

    Newcomer
    1
    Nov 26, 2019
    Indonesia
    Jakarta
    Hello guys,

    I need help with my boot.dat problem for my switch.
    I owned banned switch with SX OS CFW and just purchased a used switch.
    The switch S/N: XAJ7003025xx
    Yes I have done all the researched in several forums to resolve this problem but it still stuck in boot.dat screen.

    Things I have tried:
    -format the sdcard to FAT32 & exFat
    -tried multiple sdcards with both formats
    -use the successful sdcard from my 1st switch to the 2nd switch
    -swap to the sdcard module from my 1st switch to the 2nd switch
    -I even tried buying new sdcard 200gb sandisk and put the boot.dat file and putting into RCM mode to the first switch and it successfully booted to the sx os screen. But when i tried to do it to the 2nd switch it goes back to boot.dat

    I hope anyone can help me resolve this issue

    Thanks!
     
  2. nero99

    nero99 GBAtemp Addict

    Member
    11
    Sep 18, 2014
    United States
    sounds like the sd card slot is either unplugged or broken, or you have a corrupt boot.dat file
     
  3. noenoe86
    OP

    noenoe86 Newbie

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    Nov 26, 2019
    Indonesia
    Jakarta
    As I stated above I have tried with another switch's known working sdcard slot.
    I also tried using the same boot.dat file on my first switch and it is working fine.

    — Posts automatically merged - Please don't double post! —

    As I stated above I have tried with another switch's known working sdcard slot.
    I also tried using the same boot.dat file on my first switch and it is working fine.
     
  4. noenoe86
    OP

    noenoe86 Newbie

    Newcomer
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    Nov 26, 2019
    Indonesia
    Jakarta
    Anyone can help me with this problem?
     
  5. Taorn

    Taorn GBAtemp Regular

    Member
    5
    May 27, 2017
    United States
    Check if the FAT32 partition of your sd card is set to primary.
    To do this, you could use one of the various partition managers out there.
    The MiniTool Partition Wizard was quite simple to use.
    Just be careful to not accidentally edit one of your hard drives.
     
  6. noenoe86
    OP

    noenoe86 Newbie

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    Nov 26, 2019
    Indonesia
    Jakarta
     
  7. jajamundo

    jajamundo GBAtemp Regular

    Member
    6
    Aug 28, 2009
    United States
    First turn on your second switch without injecting any payload or RCM mode. When it turn on, inster the SD Card and check if the Switch is reading it. If not, it means you have a broken SD Card slot
    Let me know if your switch recognice your SD Card.
     
  8. noenoe86
    OP

    noenoe86 Newbie

    Newcomer
    1
    Nov 26, 2019
    Indonesia
    Jakarta
    The 2nd reading the SD card normally. I have tried swapping the SD card slot between sw1 and sw2, and try running the SX os in sw1 with the 2nd sw SD card slot and it is working fine. But the 2nd switch still doesn't recognize the boot.dat file.
     
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