On Saturday, April 11, 2020 at 10:07:58 PM UTC-4, wrote:
Hi all, My daughters ~3yro computer wouldn't boot... no hard drive.
I took her my lap top and brought it home.. cracking open I found
no hard drive, but a scandisk thingie. I took it out of the connector,
some of the gold plated contacts were corroded (or worn?) It's about
a 1"x3" pcb, connector on one end and flat head screw into 1/2 plated
hole on the other. The connector was 'sprung' such that the screw in
the back was needed to hold it down. (Is that done on purpose?)
And I assume the plating around the 1/2 hole at the end is for
grounding.
Anyway, on several of the gold plated contacts the gold was
almost all gone, leaving corroded copper. I think all the
'corroded' pins were on the top. I cleaned it with IPA and put it
back in.. same problem.

Ideas? Can I try a simple tinning of the contacts? or
something else?
Oh I should add the contacts might not be the problem...
in fact most likely something else.

George H.