Keyboard such as this one of easy to fix..
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Turn the keyboard upside down and remove all the screws.. You will have to remove the plastic sticking sheet to gain access to a lot of the screws.
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If done really carefully you can normally dismantle without the "cups" falling off, though if they do , no worries.
Notice however on the PCB that 2 of the cups are missing by default. So if your cups fall off then you need to know which 2 are supposed to be missing else you will spend hours looking for 2 cups which were not there in the first place! This is all too common!!
I decided to put all the screws in a small pot, that way I can lose the whole lot in one go rather than the odd one or two
The plastic keys as a whole got left to soak in warm washing up water and given a good clean with a soft brush.
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The Mouse/Joystick ports normally break over time, so a must to resolder these pins even if they look ok.
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All assembled back together and looks like its just come off the production line. Not bad for a 25 year old item
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