x7400pc r4.0 bios

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  • relax79
    Senior Member
    • Jul 2014
    • 51
    • TURKEY

    #1

    x7400pc r4.0 bios

    Hello friends, sorry for my poor English.this notebook power led always on when i plug in dc adapter and there is no charge led or charge activity. Main vcc show 8.4v and what i see this design uses low supply rail equal to battery like macbooks. I try to download from support and it says latest one 303 but when i unpack with Uniextract then i learn it is crypted then i find ami guard tool then i read in hex editor it says 309 somehow but no problem because mine also same, i copy paste new bios via hex editor and programmed via programmer but nothing cahange. Rest is i do not know how to repair or clean the me or put dmi from old one. There are no short or failure on the board and it looks bios because i found this when i search on google

    i do not manage to add link as i see and i copy paste here "https://***********/threads/asus-x7400pc.45406/post-476380"
    user says same fault like me and say work with other bios.

    Asus vivobook pro 14 oled
    Model : k3400p (when search on support site via serial, it find x3400phb)
    Motherboard : x7400pc r4.0
    Serial : n3n0cx12k126106

    Click image for larger version

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    can anyone help clean bios with dmi (licence too if there are any in bios) ? Thanks
    Attached Files
    Last edited by relax79; 02-01-2025, 09:18 AM.
  • relax79
    Senior Member
    • Jul 2014
    • 51
    • TURKEY

    #2
    i add picture but delete my uploaded bios somehow, please forgive me i add as a repply
    Attached Files

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    • volinakis
      Badcaps Legend
      • Jan 2021
      • 2718
      • N/A

      #3
      Originally posted by relax79
      i add picture but delete my uploaded bios somehow, please forgive me i add as a repply
      try
      Attached Files
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      Comment

      • relax79
        Senior Member
        • Jul 2014
        • 51
        • TURKEY

        #4
        Originally posted by volinakis

        try
        Thank you so much but still same, no reaction to power button, white power led always on, charge led and charge not active.

        Comment

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