Yes, even though everything in a laptop runs off of DC, these motors do
not have brushes. The magnetic forces needed to spin the fan are
electronically controlled inside the motor. They are brushless.
Ardell Faul
Computer Monitor Service Inc.
Ardell's Laptop and PC Repair
10816 E. Mission Ave.,
Spokane Valley, Wa. 99206
ardell@icehouse.net
509-891-5188
On 11/5/2011 1:34 PM, RogerX19 wrote:
>
> Ardell,
>
> I, also, was waiting to hear from you on this.
>
> I think it comes from the old days, when fans had brushes. I assumed
> that the newer brushless types were not susceptible to this problem,
> but still wanted someone in the laptop repair business to confirm it.
>
> thanks
>
> rogerX
>
> --- In simplycomputers2@yahoogroups.com
> <mailto:simplycomputers2%40yahoogroups.com>, Ardell Faul <ardell@...>
> wrote:
> >
> > No. The fan is in a enclosure mounted on a shaft that is supported by a
> > bearing. it doesn't care which direction it turns. There IS a danger
> > of damaging the fan if you get carried away and let it spin way up to a
> > dangerous speed that could make it fly apart. But I have never had this
> > happen, and I use a compressor that has way more pressure than the cans
> > of air do. Just blow into the exhaust port briefly, like for 5 seconds
> > or so, to see if it dislodges dust, then blow in spurts. You can tell
> > when you are letting the fan speed up too much by the pitch. Just don't
> > goose it out to see if you can make it scream and you will not damage
> > anything.
> >
> > Ardell Faul
> > Computer Monitor Service Inc.
> > Ardell's Laptop and PC Repair
> > 10816 E. Mission Ave.,
> > Spokane Valley, Wa. 99206
> > ardell@...
> > 509-891-5188
> >
> >
> > On 11/5/2011 7:54 AM, Jerry Gmail wrote:
> > >
> > > Another poster brought up concerns with turning the fan backwards.
> > > Is this going to be a problem?
> > >
> > > Google Jer
> > > Woodhaven, Mi
> > >
> > > -----Original Message-----
> > > From: simplycomputers2@yahoogroups.com
> <mailto:simplycomputers2%40yahoogroups.com>
> > > <mailto:simplycomputers2%40yahoogroups.com>
> > > [mailto:simplycomputers2@yahoogroups.com
> <mailto:simplycomputers2%40yahoogroups.com>
> > > <mailto:simplycomputers2%40yahoogroups.com>] On Behalf Of Ardell Faul
> > > Sent: Friday, November 04, 2011 6:03 PM
> > > To: simplycomputers2@yahoogroups.com
> <mailto:simplycomputers2%40yahoogroups.com>
> > > <mailto:simplycomputers2%40yahoogroups.com>
> > > Subject: Re: [Simply Computers] Very hot Toshiba laptop
> > >
> > > Usually you can clean a clogged radiator by blowing compressed air
> > > backwards into the exhaust area. I recommend the compressed air like
> > > you can buy at Office Depot or other places. If the lint is not too
> > > embedded in the cooling radiator fins, it will blow out. Be prepared
> > > for a dust storm when you do this.
> > >
> > > Ardell Faul
> > > Computer Monitor Service Inc.
> > > Ardell's Laptop and PC Repair
> > > 10816 E. Mission Ave.,
> > > Spokane Valley, Wa. 99206
> > > ardell@... <mailto:ardell%40icehouse.net>
> > > 509-891-5188
> > >
> > > On 11/4/2011 2:37 PM, Google Jer Pandigital wrote:
> > > >
> > > > The fan is turning. I have found that it will run without the
> battery
> > > > but it is still very hot. Ie there any other way to clean out the
> > > > dust? I removed all the f6 screws from the bottom but can't see how
> > > > the case opens. BTW. No spell check on this computer. Sorry if
> > > > something comes out crocked.
> > > >
> > > > "C. Michael Stone" <Enots123@... <mailto:Enots123%40aol.com>
> > > <mailto:Enots123%40aol.com>> wrote:
> > > >
> > > > >I have found that laptops running hotter then usual often have the
> > > > heatsink and fan filled with dust and dirt and sometimes pet hair.
> > > > Open the case, make sure the fan is running, clean all the air
> passage
> > > > and see if it helps. Heat will damage electronics.
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >Mike Stone
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >-----Original Message-----
> > > > >From: Jerry Gmail <jhnidy@... <mailto:jhnidy%40gmail.com>
> > > <mailto:jhnidy%40gmail.com>>
> > > > >To: simplycomputers2 <simplycomputers2@yahoogroups.com
> <mailto:simplycomputers2%40yahoogroups.com>
> > > <mailto:simplycomputers2%40yahoogroups.com>
> > > > <mailto:simplycomputers2%40yahoogroups.com>>
> > > > >Sent: Fri, Nov 4, 2011 12:35 pm
> > > > >Subject: [Simply Computers] Very hot Toshiba laptop
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >My laptop now gets very hot when it is running. Too hot to set
> on lap
> > > > with
> > > > >shorts. And the battery goes dead in 30 minutes.
> > > > >
> > > > >Will a new battery fix this or is there a short someplace in the
> > > machine?
> > > > >
> > > > >Google Jer
> > > > >Woodhaven, Mi
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >[Non-text portions of this message have been removed]
> > > > >
> > > > >
> > > > >
> > > > >------------------------------------
> > > > >
> > > > >Visit Simply Computers Tech Support Group and Helpdesk (24x7).
> > > > Providing 100% free Computer Tech Support since 1999. With over
> 12,000
> > > > members Simply Computers is one of the largest and most active Tech
> > > > Support Forums on the Internet.
> > > > >http://tech.groups.yahoo.com/group/simplycomputers2
> > > > >
> > > > >Yahoo! Groups Links
> > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> > > ------------------------------------
> > >
> > > Visit Simply Computers Tech Support Group and Helpdesk (24x7).
> > > Providing 100% free Computer Tech Support since 1999. With over
> 12,000
> > > members Simply Computers is one of the largest and most active Tech
> > > Support Forums on the Internet.
> > > http://tech.groups.yahoo.com/group/simplycomputers2
> > >
> > > Yahoo! Groups Links
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
[Non-text portions of this message have been removed]
http://tech.groups.yahoo.com/group/simplycomputers2
0 comments:
Post a Comment
Note: Only a member of this blog may post a comment.