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Some keys stop working after a while

Discussion in 'Sager and Clevo' started by Adagall, Apr 6, 2020.

Adagall Newbie

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Hello, I have Sager NP8268-S (Clevo P150SM-A) for five years and since a few weeks some keys stop to work at boot or after a while, even in the BIOS.
I have issues with left control, the "right" key, "\" key, some F on the top (but not all of them)...

I tried to clean the ribbon cable with IPA, use compressed air inside the connector, unplug the LED ribbon, completely disassemble the left control key to clean it... None of this worked.
By the way I was surprised to see the matrix seems to only use one plastic sheet, how contacts are made?

Is my keyboard starting to fail or I missed somewhere to clean?

Adagall, Apr 6, 2020

#1
senso Notebook Deity

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Its multiple plastic sheets with conductive ink printed in them.
Its failing due to age, order a new keyboard.

senso, Apr 7, 2020

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Adagall Newbie

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What I don't understand is how this issue manifests: either everything works fine, either some specific keys (always the same) are not working, all at the same time.
And it stops working or works again randomly...

Adagall, Apr 27, 2020

#3