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I'm blonde too.
Yoda's A key keeps falling off of the nylon form underneath the keys. (This is assuming her keyboard is fairly new. Older ones might not have the sheath.) Most keyboards are formed by a solid state circuit on the board, encased by a semiclear sheath, sometimes with a plastic framework over that (depends on the make) and then the plastic keys snap on top of the plastic framework or the plastic sheath. You have to be careful because superglue has some caustic qualities to it, it's chemical name is cynoacrylic esther, which means that it will etch a tiny bit like WD40 does, but if you put a drop or two on the inside of the key, you can gently place the key on the board and snap it in place and it won't come off anymore.
Now. A warning. Sometimes, the points where the keyboard and the key come into contact are a circle shape. The glue must be placed at that location. If you put the dot of glue in the middle of the key, there won't be a contact point.
Now. Older, OLDER keyboards don't have the sheath and the keys snap into place on a plastic or metal framework and teeter. You can still glue them. Just locate the contact point and apply the glue.
Now, the fingernails. I have fixed so many things by cutting pieces of fake fingernails into the shapes I need and glueing them to different computer parts. Once, an on/off switch failed and I determined that the interior button had slipped and wasn't functioning fully so I used a fake fingernail to extend it to reach the external switch. It lasted until we retired the unit.
I love doing stuff like this.
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 Vickie
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