Issue with Acer Aspire E1-571 Power & HDD LED Flashing no display

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  • MJ-meo-dmt
    Senior Member
    • May 2016
    • 186
    • South Africa

    #1

    Issue with Acer Aspire E1-571 Power & HDD LED Flashing no display

    Hi,

    Acer Aspire E1-571
    i3-2348M
    HD Graphics 3000
    And all the other basics...

    The issue with the laptop is:

    When you power the laptop on the power and HDD LED lights up and then continue blinking forever. Nothing on the screen. Nothing on the VGA output on external display and nothing on HDMI external display. The fan also never spins.

    Took the whole thing apart running only the motherboard with the screen plugged in gives the exact same result. Blinking LED's (Power and HDD).

    Tried another few i3's some weaker some stronger. Tried other ram different types and sizes low voltage and normal. Same result

    I noticed none of chips heat up, not the CPU and not the MB chip (SLJ8C HM77) no heat on any other chips either.

    Any ideas...???
    I'm about to reflow the whole board just to make sure everything is seated nicely.


    EDIT:

    Solved it, I never checked the battery charging side of the circuit, which gave my random voltages. 19.0v --> 15.8v --> 12v and up again jumped around basically.
    Found the bugger 4466 chip.
    See the attachment.
    Attached Files
    Last edited by MJ-meo-dmt; 06-09-2016, 08:04 AM. Reason: Solved Issue Bad Mosfet
    while alive { live(toFullest=true) }
  • MJ-meo-dmt
    Senior Member
    • May 2016
    • 186
    • South Africa

    #2
    Re: Issue with Acer Aspire E1-571 Power & HDD LED Flashing no display

    Hi have no idea how to mark the thread as solved or something.
    while alive { live(toFullest=true) }

    Comment

    • alihomee
      Badcaps Legend
      • Dec 2012
      • 1570
      • malaysia

      #3
      Re: Issue with Acer Aspire E1-571 Power & HDD LED Flashing no display

      he solved it as he said in end of post

      Comment

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