I have an HP 48G+ and some of the keys are not registering keystrokes. I took the faceplate off and saw there are two small, metal buttons underneath the faceplate that are depressed when the faceplate is attached. Initially, re-adhering the faceplate--ensuring that the metal buttons were depressed--fixed the problem, but now only half the keys register keystrokes. Has anyone encountered this problem before, or is anyone familiar with a remedy?
Keys not registering
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11-15-2005, 12:54 PM
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11-16-2005, 06:36 PM
You attacked it from the wrong side. The problem is typically one of lost connection between the keyboard and logic board which can only be accessed by removing the case back and then the logic board. You'll find opening instructions on HP48.ORG. The two metal tabs you refer to are there to make contact with the aluminum keyboard surround and connect it to the case for electrostatic discharge protection, they have no bearing on the problem you described.
11-20-2005, 04:39 PM
it can be dust or ox between the layers.
1 - grab some cofee filters (paper) notes: do not use this paper again, neither insert the metal sheet without paper, under risk of damaging the trails or having some paper stuck inside the keyb. hope this helps |
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