On Sunday, May 14, 2017 at 10:35:48 PM UTC-4, rickman wrote:

The dumb blonde sitting next to me says to check the rubber switch
membrane to see if the carbon is worn off.

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Rick C

Rubber switch membrane? The only membranes I've got are the buttons in the front and the reset in the back. I've coated them in CaiKote, which is supposed to help responsiveness, but hasn't helped this time. I guess I could try test a different set of button membranes? Couldn't hurt.