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alienware 17 R4 power on/off, no post

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    alienware 17 R4 power on/off, no post

    hey all,

    i've got an alienware 17 R4 on my hands, LA-D751P BAP10 Rev1.0

    when i received it, this was the behavior:
    press power button= fan spin, led/kb illuminate for a second, then powers off. no LCD/backlight
    <repeat until power is cut>
    if i remove the RAM and power on=
    machine would power on then LED would indicate bad CMOS batt
    if i remove the CMOS batt and ram, i will get NO RAM LED error

    i tried several bios dumps from this forum, which all result in CPU FAILURE LED error. some bios will give me full tron lights, others only LCD/lid tron lights.

    if i write back original BIOS, i get original errors/symptoms.

    have tried disconnecting all RAM/HDD/SSD, various combination of batt/AC power, have tried cleaning ME on all dumps, so on and so forth.

    totally at a loss here, help please!!!
    This isn't Monaco... This is Baghdad

    #2
    Re: alienware 17 R4 power on/off, no post

    followup: if i clean ME on original read, the machine will power on and complete ME initialization, and then start the on/off cycle.
    This isn't Monaco... This is Baghdad

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      #3
      Re: alienware 17 R4 power on/off, no post

      Post your original bios backup in the bios requests sub-forum .
      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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        #4
        Re: alienware 17 R4 power on/off, no post

        https://www.badcaps.net/forum/showth...503#post917503

        i have uploaded all of my chip reads here. i downloaded a full suite from biosfix however now i cannot write to UG13. it errors out at 12% most often, sometimes 25%, and once at 31%. the chip has been erased. FML
        This isn't Monaco... This is Baghdad

        Comment


          #5
          Re: alienware 17 R4 power on/off, no post

          Oops. I guess that's a 1.8V chip. Need to get a 1.8v programmer.

          Is the KBC programmer viable in a situation like this?
          This isn't Monaco... This is Baghdad

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