flup flup flup

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  1. B

    Possible problem with Video Cable for Mac Plus - Need to Establish It's Working or It's Not

    I found this link on your site (https://tinkerdifferent.com/threads/mac-plus-with-a-flup-flup-flup-noise-on-boot.1254/), where there was the same "flup, flup, flup" problem as the one I'm having. The first thing the link suggested doing was checking the continuity of the blue wire within the...
    • butchie52651
    • Thread
    • flup flup flup flup mac plus not working mac plus video cable - flup
    • Replies: 2
    • Forum: Compact Macs
  2. AndyDiags

    Mac Plus with a "flup flup flup" noise on boot

    I ran into a Macintosh Plus which when booted makes a continuous flup flup flup sound. This can occur if there's a voltage rail short on the logic board, floppy, or SCSI drive. The short can cause the hidden fuse inside the power harness that goes from the analog board to the logic board to...
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