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From: Ian Piper on 27 Mar 2010 06:34
Hi all,

This may be of interest to some of you. I have an iMac 24" that I
bought nearly three years ago. Since installing Snow Leopard I have had
a recurrent problem with the display - bits of window left behind when
I drag a window across the screen, horizontal dark lines appearing at
random locations, and even complete display freezing. The Mac itself
doesn't lock, because I can ssh into it from another Mac. I finally did
some googling on this and it appears that it may be a thermal problem.
Someone on a Mac forum suggested a piece of free software called iMac
Fan Control (get it here: http://www.derman.com/iMac-Fan-Control). I
installed it last night and cranked up my CPU fan to 2800 as suggested.
I'd never heard the fans on my iMac before but I certainly heard them
when I did this, and a load of dust blew out of somewhere at the back
of the iMac. Anyway, since doing this I haven't seen any further screen
artefacts, so perhaps this has solved the problem. Just thought you
might like to know in case you are encountering similar issues. I'm
pleased because I had got to the point of getting the disks out to
rebuild it.


Ian.
--
Ian Piper
Author of "Learn Xcode Tools for Mac OS X and iPhone Development",
Apress, December 2009
Learn more here: http://learnxcodebook.com/�
--�

From: D.M. Procida on 27 Mar 2010 08:12
Ian Piper <ianpiper(a)mac.com> wrote:

> This may be of interest to some of you. I have an iMac 24" that I
> bought nearly three years ago. Since installing Snow Leopard I have had
> a recurrent problem with the display - bits of window left behind when
> I drag a window across the screen, horizontal dark lines appearing at
> random locations, and even complete display freezing.

> Someone on a Mac forum suggested a piece of free software called iMac
> Fan Control (get it here: http://www.derman.com/iMac-Fan-Control). I
> installed it last night and cranked up my CPU fan to 2800 as suggested.
> I'd never heard the fans on my iMac before but I certainly heard them
> when I did this, and a load of dust blew out of somewhere at the back
> of the iMac.

I haven't had the problems you describe, but I have immediately
downloaded the software, because nothing would be cooler than having
dust blow out of the back of my iMac.

Daniele
From: Jim on 27 Mar 2010 08:14
D.M. Procida <real-not-anti-spam-address(a)apple-juice.co.uk> wrote:

> I haven't had the problems you describe, but I have immediately
> downloaded the software, because nothing would be cooler than having
> dust blow out of the back of my iMac.

Glitter would be cooler.

Jim
--
"Microsoft admitted its Vista operating system was a 'less good
product' in what IT experts have described as the most ambitious
understatement since the captain of the Titanic reported some
slightly damp tablecloths." http://www.thedailymash.co.uk/
From: D.M. Procida on 27 Mar 2010 08:20
Jim <jim(a)magrathea.plus.com> wrote:

> > I haven't had the problems you describe, but I have immediately
> > downloaded the software, because nothing would be cooler than having
> > dust blow out of the back of my iMac.
>
> Glitter would be cooler.

Can they do that in software?

Daniele
From: Jim on 27 Mar 2010 08:21
D.M. Procida <real-not-anti-spam-address(a)apple-juice.co.uk> wrote:

> Jim <jim(a)magrathea.plus.com> wrote:
>
> > > I haven't had the problems you describe, but I have immediately
> > > downloaded the software, because nothing would be cooler than having
> > > dust blow out of the back of my iMac.
> >
> > Glitter would be cooler.
>
> Can they do that in software?

The next version, I think.

Jim
--
"Microsoft admitted its Vista operating system was a 'less good
product' in what IT experts have described as the most ambitious
understatement since the captain of the Titanic reported some
slightly damp tablecloths." http://www.thedailymash.co.uk/
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