Originally Posted by AmigaJules

One last update on this.

I discovered (accidentally) that putting some regular scotch tape on the green stuff, letting it sit for an hour, then removing it takes the green stuff right off. So I have nice clean traces on the ribbon now. Cut a fresh square end on it and plugged it in. Still have intermittent QWERTY row (i can make it work by flexing the connector away from the motherboard) but no ctrl or shift keys.

I'm negotiating a new A1200 keyboard on amibay and hope that the keyboard connector on the motherboard isn't the problem.

Fingers crossed...