Dell dimension 8400 case fan running maximum speed 24/7
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From: Fred on 30 Dec 2009 10:14 "Lu R" <whome(a)hotmail.com> wrote in message news:4b3af03b$0$25040$afc38c87(a)news.optusnet.com.au... > Power supply failed on it so I replaced it. Case fan is running at FULL > throttle from power on and noisy, bearings are fine in it. Anyone ever > have to deal with this? If its the mobo causing this, any ideas how to fix > it? Thanks in advance. Google says some have been able to reduce the noise by reversing the fan and thus blowing air over the heatsink rather than pulling air over the heatsink.
From: Lu R on 30 Dec 2009 10:18 "Rob" <mesamine(a)gmail.com> wrote in message news:hhfm0m$4i0$1(a)news.eternal-september.org... > Lu R wrote: >> "Andy" <no(a)invalid> wrote in message >> news:lucr07-cuq.ln1(a)unique_and_different_just_like_everyone_else.westnet.com.au... >>> Lu R wrote: >>> >>>> "Rob" <mesamine(a)gmail.com> wrote in message >>>> news:hhet2p$i36$1(a)news.eternal-september.org... >>>>> Lu R wrote: >>>>>> Power supply failed on it so I replaced it. Case fan is running at >>>>>> FULL >>>>>> throttle from power on and noisy, bearings are fine in it. Anyone >>>>>> ever >>>>>> have to deal with this? If its the mobo causing this, any ideas how >>>>>> to >>>>>> fix it? Thanks in advance. >>>>>> >>>>>> Lu >>>>> How do you have the fan connected to the MB? off the CPU pins or >>>>> case >>>>> pins? >>>>> >>>>> >>>>> Is it clean or full of dust? >>>> Case is clean of dust. Fan is connected to mobo. >>> You're doing it wrong. >> >> Care to share what Im doing wrong? >> >> Its a 4 pin plug that goes into its proper socket on the mobo!! >> >>> -- >>> Usenet Improvement Project: http://twovoyagers.com/improve-usenet.org/ >>> XPN 1.2.6 <-> Leafnode 1.11.7.rc1 | Kernel 2.6.30.9-generic >>> >> >> > > That should be the CPU fan pins on the MB? > > Far as I know the dell has a finned heat sink and a ducted fan attached to > the case? > > Have you removed the heat sink? or disturbed the paste? > > When the fan runs at full speed is when the cpu runs hot. > > Duct in correct position? > > is the plug on in the correct position and not reversed and pumping in a > higher voltage? > > only suggestions! Hi Rob thanx for your suggestions... all of the above are good..I added some cpu paste and I even reset the bios..I think the mobo's rooted.. seems the powersupply failed and may have damaged the mobo too.. Lu
From: Lu R on 30 Dec 2009 10:21 "Fred" <bluser(a)gaymail.com> wrote in message news:7q193gFlehU1(a)mid.individual.net... > > "Lu R" <whome(a)hotmail.com> wrote in message > news:4b3af03b$0$25040$afc38c87(a)news.optusnet.com.au... >> Power supply failed on it so I replaced it. Case fan is running at FULL >> throttle from power on and noisy, bearings are fine in it. Anyone ever >> have to deal with this? If its the mobo causing this, any ideas how to >> fix it? Thanks in advance. > > Google says some have been able to reduce the noise by reversing the fan > and thus blowing air over the heatsink rather than pulling air over the > heatsink. This isnt normal fan speed Fred...Im talking jet engine speed...runnning flat out from startup and constantly!! Way faster than ANY CPU fan Ive ever seen. Thanks anyway. Lu
From: Anonymous on 30 Dec 2009 13:08 "Lu R" <whome(a)hotmail.com> wrote in message news:4b3b6f37$0$6094$afc38c87(a)news.optusnet.com.au... > > "Rob" <mesamine(a)gmail.com> wrote in message > news:hhfm0m$4i0$1(a)news.eternal-september.org... >> Lu R wrote: >>> "Andy" <no(a)invalid> wrote in message >>> news:lucr07-cuq.ln1(a)unique_and_different_just_like_everyone_else.westnet.com.au... >>>> Lu R wrote: >>>> >>>>> "Rob" <mesamine(a)gmail.com> wrote in message >>>>> news:hhet2p$i36$1(a)news.eternal-september.org... >>>>>> Lu R wrote: >>>>>>> Power supply failed on it so I replaced it. Case fan is running at >>>>>>> FULL >>>>>>> throttle from power on and noisy, bearings are fine in it. Anyone >>>>>>> ever >>>>>>> have to deal with this? If its the mobo causing this, any ideas how >>>>>>> to >>>>>>> fix it? Thanks in advance. >>>>>>> >>>>>>> Lu >>>>>> How do you have the fan connected to the MB? off the CPU pins or >>>>>> case >>>>>> pins? >>>>>> >>>>>> >>>>>> Is it clean or full of dust? >>>>> Case is clean of dust. Fan is connected to mobo. >>>> You're doing it wrong. >>> >>> Care to share what Im doing wrong? >>> >>> Its a 4 pin plug that goes into its proper socket on the mobo!! >>> >>>> -- >>>> Usenet Improvement Project: http://twovoyagers.com/improve-usenet.org/ >>>> XPN 1.2.6 <-> Leafnode 1.11.7.rc1 | Kernel 2.6.30.9-generic >>>> >>> >>> >> >> That should be the CPU fan pins on the MB? >> >> Far as I know the dell has a finned heat sink and a ducted fan attached >> to the case? >> >> Have you removed the heat sink? or disturbed the paste? >> >> When the fan runs at full speed is when the cpu runs hot. >> >> Duct in correct position? >> >> is the plug on in the correct position and not reversed and pumping in a >> higher voltage? >> >> only suggestions! > > Hi Rob thanx for your suggestions... all of the above are good..I added > some cpu paste and I even reset the bios..I think the mobo's rooted.. > seems the powersupply failed and may have damaged the mobo too.. > Lu > Lol..you should have listened.
From: Lu R on 31 Dec 2009 01:48
"Lu R" <whome(a)hotmail.com> wrote in message news:4b3af03b$0$25040$afc38c87(a)news.optusnet.com.au... > Power supply failed on it so I replaced it. Case fan is running at FULL > throttle from power on and noisy, bearings are fine in it. Anyone ever > have to deal with this? If its the mobo causing this, any ideas how to fix > it? Thanks in advance. > > Lu Update...replaced mobo, problem solved. Thanks to all who suggested a fix. Happy New Year!! Lu |