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Thread: Compaq Portable Display shaking

  1. #1

    Default Compaq Portable Display shaking

    Ok, another problem here. Picture on my Portable display is shaking and its very disturbing to do something on it.
    Any solution for this?
    IBM PC 5150(A): IBM PC 5150(B): IBM PC 5160 (64-256k): IBM PC 5160 (256-640k): IBM PC 5170 (099): IBM PC 5170 (319/339): IBM PC 5140: IBM PC 5162: IBM PC 5155: IBM PC Expansion Unit 5161:
    WANTED!: IBM 5175 monitor, IBM 5145 monitor, IBM PC/XT/AT rear screws, Intel INBOARD 386AT card, IBM 5140 keyboard, very early IBM PC (S/N: under 5000)
    My IBM PC hardware collection

  2. #2


    A dirty pot/trimmer? Bad connection in a cable?

  3. #3


    Sounds like either electrical interference, or a failing capacitor.

  4. #4


    Could also be a flyback transformer issue (hopefully not).


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