Laptop Squealing. Compaq Evo n610c squealing only off of battery power DC-DC board replaced

Discussion in 'Technical Support' started by Guest, Oct 19, 2006.

  1. Guest

    Guest

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    Im working on a Compaq n610c laptop. It runs fine off of AC power.
    When I remove the AC cable there is a distinct squeal coming from the
    computer. I have disassembled it and found that the squeal was coming
    from the area of the DC-DC converter which is mounted right above the
    processor. I replaced the DC-DC converter board, but the problem is
    still there. To further describe this strange issue, when the battery
    is in and the computer is not turned into the on position, there there
    is a quieter high frequency clicking sound. When the power is turned
    on there is a distinct squeal. Its not coming from any discernably
    moving parts. Any help would be appreciated. Thanks!
     
    Guest, Oct 19, 2006
    #1
  2. Guest

    Linea Recta Guest


    No idea who you're talking to...


    --
    regards,

    |\ /|
    | \/ |@rk
    \../
    \/os
     
    Linea Recta, Nov 7, 2009
    #2
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