I am an Electrical Engineer, B.S.E.E.. I have taken the laptop completely apart and washed out the top of the case which is where the keyboard is built in, with WD40 and used my industrial air compressor to blowout the top case. I let it dry for several days. I put it all together and everything works except the keyboard, still gibberish.
I can use the laptop with an external keyboard, but that defeats the whole purpose of having a laptop.
The local HP recommended service center is unacceptable. They want my Microsoft password. Which is absolutely not needed.
With my Microsoft password they could empty my bank account. The other suggested service center is roughly 45 miles away.
in the current pandemic crisis I am not going out much.
Would anyone have any suggestions on what else to try with the laptop?
I had though of removing the keyboard from the top of the case, but there are nearly a hundred plastic welds holding it in. I would have to heat the plastic welds enough to lift the metal retainer over them. I would assume that I would be left with individual keys and a wire matrix.
Could there be a remote chance that the keyboard interface chip on the logical board has gone bad?
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