I'm a big fan of contact cleaner/lube such as deoxit for contact issues
and I have revived computers with it. However most of the failures I
experienced were motherboard death, with complete failure to boot. Even
conformal coating the motherboards did not help.
The last desktop I had in a machine was in the Bridgeport I sold about 6
months ago. Just before I put it up for sale I ran it though it's paces
and it worked fine. After I sold it, on the day before it was due to be
picked up I thought I'd give it another test just to be safe. Zip.
Nothing. Dead as a dodo. No worries I thought - I had a few older PCs
for parts, all stored in the barn. Not one of them worked! I eventually
found a motherboard tucked away in my office which did work. I have lots
of thin clients but this mill was running Mach3 with two parallel ports
so it had to be a desktop.
Perhaps I'm just really unlucky when it comes to PC hardware stored in
damp conditions.
Les
On 26/02/2022 03:24, cogoman via Emc-users wrote:
I have found that the "Magic Pixie Dust" for a damp shop comes in a
spray can called Caig deoxit. The trick is pairing a contact cleaning
solution with an appropriate oil that seals the contacts so that
oxygen can't get into the connection.
A church building is a great place for humidity related failures. Warm
on Sunday morning and Wednesday evening, cool and damp the rest of the
time. We have a 6 -DVD duplicator with a hard drive inside. After
about a year 2 of the DVD drives were acting up, and if left on for
about a half an hour, the OS (probably DOS) would lock up and need to
be power cycled.
I sprayed every connector I could get apart (mostly SATA), and it came
back to life, and has been working well for many years since.
I even tried it on a processor socket to see if the oil would mess up
signal integrity and it didn't, so I think the oil has a dielectric
coefficient near that of air.
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