bar897 Posted November 22, 2005 Share Posted November 22, 2005 (edited) Hi. A few weeks ago I bought an Atari 400 complete for $5. It works, but both shift keys and the function key do not work. I took the unit apart, vacummed and disconnected and firmly reconnected the keyboard connector and they still won't work. Any ideas? I saw no real damage evident inside the machine. Thanks. Edited November 22, 2005 by bar897 Quote Link to comment Share on other sites More sharing options...
Rybags Posted November 22, 2005 Share Posted November 22, 2005 The Shift keys (as a group) and the function buttons (as individuals) have their own dedicated lines. Check the ribbon cable for the keyboard. A wipe with some video head cleaner might help. Quote Link to comment Share on other sites More sharing options...
bar897 Posted November 24, 2005 Author Share Posted November 24, 2005 Well I opened it back up and found the ribbon cable is wrapped in a plastic. I'm not sure I'm supposed to peel that off? I saw there was a bunch of junk on the circuits on the board right near the keyboard connector, so I wiped them off really good. After reassembling, I now find that the system reset key has now given up as well. I would just buy a new keyboard, but I don't think my parents would want me too bother with the old thing. I was told on another forum that someone here might know how to fix it? Anyone? The computer is useless as I have no cartridges or tapes and I can't even program it because of the broken keys! Help! This is the only vintage computer I've ever owned and I was hoping it would work! Quote Link to comment Share on other sites More sharing options...
LYNXGUY Posted December 1, 2005 Share Posted December 1, 2005 My best friend had an ATARI 400 and the keys malfunctioned 1 by 1 so he replaced the keyboard which is simple to do and somewhat cheap as well. Quote Link to comment Share on other sites More sharing options...
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