On 2/26/22 08:47, Les Newell wrote:
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
No need for that in PCs. More harm than good. Clean contacts with alcohol.
experienced were motherboard death, with complete failure to boot. Even
conformal coating the motherboards did not help.
even worse.
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
When you store computers in any relatively unclean (dusty) place put
them in plastic bags to keep the dust and moisture out. Use antistatic
plastic bags for computer components such as disk drives, PCBs.
Just like anything else, electronics components age. Capacitors are the
most likely to cause problems after long time no use.
Use a vacuum cleaner and antistatic brush to get the dust out of PCs.
I revived a PC with removing fans, heatsinks and disk drives to get
access to other parts with a brush and narrow vacuum cleaner nozzle just
recently.
Put everything back together and use new thermal paste on heatsinks. The
CPU and memory are much cooler now.
Les, barns are for horses, cows, or pigs not PC computers ;-)
Rafael
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