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August 3rd, 2011 02:00
Corrosion in computers
Hi all, i got a roblem in my organization. I recently got posted to a new workplace along the coastal line of kenya. We have Optiplex 320 and Optiplex 380 running on our systems. I noticed that most of the computers have rusty parts, a good example is the Vga and on closer look most of the motherboards have blue substances like fine particles coatings on the parts covering the pins. From the records the machines have been having frequent breakdowns including Ram failures, not booting frequently sometimes one has to wait for about 30 minutes and the computer boots after numerous attempts. The solution has been replacing of the motherboards and Ram's which is quite costly.
Am looking for an alternative solution apart from the frequent replacing of the motherboards and Ram.
Your input will be highly appreciated.
speedstep
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August 3rd, 2011 10:00
Dell home and business systems are not designed to be water tight nor around salt water vapor.
Iron rust is red/brown, aluminum rust is white, copper corrosion is blue green.
It is true that salt air will corrode hardware, electronics. This is not a dell issue.
Near the ocean/coast, the salt air can corrode electronic components.
You could load up the VGA connectors and others with Dielectric grease is a non-conductive, silicone grease designed to seal out moisture and, therefore, prevent corrosion . In automotive applications they use
this to seal moisture from getting into spark plug boots.
Permatex 81150 - Dielectric Grease
Dielectric grease is a non-conductive, silicone grease designed to seal out moisture and, therefore, prevent corrosion on electrical connectors. Being non-conductive, it does not enhance the flow of electrical current. This property makes it an ideal lubricant and sealant for the rubber portions of electrical connectors.
Dielectric grease is typically a translucent, grey substance that is insoluble in substances such as ethanol, methanol, mineral oil, and water. It is soluble, however, in the industrial solvent methyl ethyl ketone (MEK) and mineral spirit. It is important to note that dielectric grease will melt silicone rubber over time, and thus should not be used on connectors, such as o-rings, that are made of this rubber.
While the indicated use of dielectric grease calls for it to be used only on the non-metal parts of a connection, it has been shown to be effective at preventing corrosion when applied directly to the metal connectors as well. Care should be taken when using it in this way, because this application can, in some instances, cause the connection to stop working. A common reason for such a failure is that the grease has not been pushed entirely out of the way between the two points of contact.
Dielectric grease is most widely used as a sealant for spark plugs, and is applied to the rubber boot of the plug wire. The grease not only helps the boot slide onto the ceramic portion of the plug, but prevents dirt, moisture, sand, and other foreign objects from contaminating the seal, and compromising the electrical current. Dielectric grease is also commonly used on the gaskets of multi-pin connectors in car and marine engines.