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Apple Computing Products:
macOS - Operating System
Interesting New Behavior of left Command Key: I sure can't figure it out.
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<blockquote data-quote="PGB1" data-source="post: 1849524" data-attributes="member: 76746"><p>Thanks Again Patrick & Bob for helping me with this problem.</p><p>I had a chance to install the "new used" eight-dollar keyboard and life is good! </p><p></p><p>I did make one mistake by not sealing the upper edge of the black liner that lays on the keyboard assembly. The backlight for the keys would flash on & off in perfect one second timing. The light was leaking out and tricking the backlight sensor. Oops!</p><p></p><p>For fun, I dissected the old keyboard to try to learn why the left command key only worked with some key combinations. It turns out that there are two separate circuit traces for that key. One had lint under it. I re-assembled and tested the keyboard. Now I have a working spare. </p><p></p><p>Since I found how the keyboard works interesting, I'll make a Just For Fun post with the autopsy photos. Perhaps it will prove useful to someone in the future for diagnosis.</p><p></p><p>Thanks Again & Be Sure To Enjoy Today!</p><p>Paul</p></blockquote><p></p>
[QUOTE="PGB1, post: 1849524, member: 76746"] Thanks Again Patrick & Bob for helping me with this problem. I had a chance to install the "new used" eight-dollar keyboard and life is good! I did make one mistake by not sealing the upper edge of the black liner that lays on the keyboard assembly. The backlight for the keys would flash on & off in perfect one second timing. The light was leaking out and tricking the backlight sensor. Oops! For fun, I dissected the old keyboard to try to learn why the left command key only worked with some key combinations. It turns out that there are two separate circuit traces for that key. One had lint under it. I re-assembled and tested the keyboard. Now I have a working spare. Since I found how the keyboard works interesting, I'll make a Just For Fun post with the autopsy photos. Perhaps it will prove useful to someone in the future for diagnosis. Thanks Again & Be Sure To Enjoy Today! Paul [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Interesting New Behavior of left Command Key: I sure can't figure it out.
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