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Recent content by lostcluster

  1. L

    Macintosh Classic II checkerboard display

    I know this was an old, thread but I too had the checkerboard pattern on my Classic II. I cleaned the Simms and slots, same pattern. I then removed the four IC's and cleaned those too with Isopropyl Alchol..same thing. I cleaned the board (I thought) with contact cleaner, nope still there. So I...
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