Date: Sat, 17 Dec 2016 10:19:17 -0700 (MST) From: Dale Scott <dalescott@shaw.ca> To: Dave B <g8kbvdave@googlemail.com> Cc: Tim Daneliuk <tundra@tundraware.com>, freebsd-questions@freebsd.org Subject: Re: freebsd-questions Digest, Vol 654, Issue 6 Message-ID: <A63B3E19-31B0-4398-9B43-FE92956D7ABC@shaw.ca> In-Reply-To: <cc74803f-a1ad-5463-0d4e-60e5bc2e7e53@googlemail.com> References: <mailman.84.1481889602.60451.freebsd-questions@freebsd.org> <c711ffe0-b862-4cf4-be9b-d8a6e6e4540f@googlemail.com> <23fa6b26-3e7c-cbd3-e22f-bbf45dcd4958@tundraware.com> <cc74803f-a1ad-5463-0d4e-60e5bc2e7e53@googlemail.com>
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Blow canned air into a hot paper shredder and you'll get some real excitemen= t! (Kaboom!). That's when I read the can and learned it's not really air.=20= > On Dec 17, 2016, at 5:07 AM, Dave B via freebsd-questions <freebsd-questio= ns@freebsd.org> wrote: >=20 >> On 16/12/16 14:21, Tim Daneliuk wrote: >>> On 12/16/2016 08:14 AM, Dave B via freebsd-questions wrote: >>> Check the health of the cooling systems in your notebook. >> This. Like I most of us, I am the "IT Repair Department" for friends and >> family. You have no idea how many computers I have "fixed" simply by >> blowing the dust out of the cooling path and off the motherboards. >> Mac laptops, especially, seem to be built to very tight cooling tolerance= s. >>=20 >> Recommend taking the unit apart and then going outside to blow the dust >> out of the guts of thing. Never use a vacuum cleaner to do this because -= >> unless specifically designed for electronics - vacuum cleaners will gener= ate >> a lot of static electricity which is deadly to solid state parts. >>=20 >>=20 > Even using an air-duster-in-a-tin can create static charges. (Any air > movement over a surface can.) But in practice, it's not a problem is > used sensibly, within a largely complete PC, or on a laptop exposed but > not dismantled main board. (individual assemblies, RAM sticks and > such, then the static can do damage, but much less so, when they are > installed in a socket.) >=20 > More a problem, is that it is sometimes possible to blow dust into the > internals of fan motors and cause problems, but even that is rare. Try > not to let fan's spin too fast either. Some can generate quite a bit of > voltage, and that could do something as it finds it's way back into the > machine. >=20 > I'm always amazed at the amount of otherwise good hardware that is > chucked away, just for the want of a bit of maintenance. UPS's are a > prime example, a good clean out and new batteries, and often they are as > good as new. >=20 > Seasons Greetings etc. >=20 > Dave B. >=20 > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.or= g"
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