Re: LiveCD with KDE-4.0.0 anyone any luck?

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On Saturday January 12 2008 2:34:32 pm Gene Heskett wrote:
> On Saturday 12 January 2008, Claude Jones wrote:
> >On Saturday January 12 2008 1:22:21 pm Dave Stevens wrote:
> >> I have downloaded and burned it ok and it booted and ran
> >> fine. I always suspect dirt in the optical drive first. Has
> >> it been cleaned recently? or ever?
> >
> >You raise a flag. I have often thought dust was the #1 cause
> > of CD/DVD optical drive demise. It just makes sense. The
> > units aren't sealed, and you have fans inside the computer
> > pulling air in through every crack and crevice it can find -
> > over time, dust builds up, and light doesn't penetrate dust.
> > So, my question... Have you found a technique that actually
> > works to clean them? I've tried gently application of air
> > and those cleaning discs, but, I've never had much luck with
> > either.
>
> I've had fair luck by pulling the sheet metal rad covers (with
> it out of the machine and powerless) to gain access, and using
> an alcohol dampened Sheperds Medical q-tip to very gently
> clean the face of the lens.  Emphasis on the gentle, they are
> very easily mount damaged as the servo can only move so much
> weight at 10 khz to track a wobbly disk at 52x, so every grain
> of extra weight has been designed out of it and the
> suspension.  I have probably damaged as many trying as I have
> fixed, and I can have a very gentle touch when indicated.  And
> that is dampened with paint thinner alcohol, isopropil, even
> the 90% stuff has too much water in it and will do a poorer
> job of dissolving the cigarette smoke & airborne cooking
> grease etc that collects on this stuff, and which may become
> pretty well baked on when the controller turns up the laser
> trying to see through it.
>

Ha! One TV engineer speaking to another - I shoulda  thought of 
that! I've certainly dove into enough tape transports in my day 
to know the technique...

-- 
Claude Jones
Brunswick, MD, USA


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