On Wednesday, Sep 25, 2002, at 10:50 Europe/London, Mark Benson wrote:
> > On Monday, Sep 23, 2002, at 02:03 Europe/London, [EMAIL PROTECTED] > wrote: > >> Dear Colleagues, >> >> Is it my acute hearing or does the Blue have a loud fan? Or is it the >> particular fan in my Blue. >> The Blue is sitting on an oak desk which even gives the sound an even >> deeper >> sonority. Is there anything we can do to reduce the concert? Like >> changing >> the fan motor. > > My advice is crack her open and check for dust. My G3 is a quiet as a > G4 now and all i did was take the main fan (behind the CPU) and the PSU > fan (need to crack the PSU case open - remember to unplug form the > mains!!) which you can do if you disconnect all the cables EXCEPT the > logic board and let it dangle by it's wires. Make sure also you remove > the dust from the grilles down the back (back of the PSU and next to > the PCI covers) to prevent more being sucked into the clean fans. > > As I say all I did was remove the dust and it has made a universe of > difference to the noise. I thought mine was really loud until i cleaned > it now I can't hear it. There is a very low frequency noise emitted at > very low amplitude from something in there, I suspect it's either the > main fan, which runs very slowly under normal operating temperatures, > or the hard disk, which does emit a large range of frequencies if > vibration. N.B. It;s the hard disk that's making the low level vibration in mine. That was cured by putting 2 foam pads under the feet of the G3. As with yours mine is on a very solid oak desk (which I love) that tends to resonate at low frequencies, it's a sign of a well made desk so I'm told :). -- Mark Benson AIM - SilValleyPirate Visit FlatPackMacs online: <http://fpm.gotdns.com> Mac LC Central -- G-List is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | -- We have Apple Refurbished Monitors in stock! | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> G-List list info: <http://lowendmac.com/lists/g-list.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[EMAIL PROTECTED]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/g-list%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
