MTBF stats are available for most computer components. DVD and CD drives typicaly have near 100K hours MTBF at a 20% duty cycle. Environmental considerations play into this too. Dust, smoke and rough handling are the ones with the most impact to mechanical and optical components.<br>
<br><div class="gmail_quote">On Sat, Mar 14, 2009 at 12:06 PM, Angelo Bertolli <span dir="ltr"><<a href="mailto:angelo.bertolli@gmail.com">angelo.bertolli@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
For about the past 5 or 6 years, I have had a habit of watching videos on my computer in my room as I'm falling asleep. I set the machine to power down, or hibernate after a given amount of time. The first computer I did this with, the DVD-rom started having problems after a while, and I suspected it might have something to do with it. But since that device was already pretty old, I thought nothing of it.<br>
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Now, after having my current machine for about 4 years, and doing the same thing, I can't burn discs anymore. And there are too many failures on different discs to regard it as the disc. The drive sort of deteriorates gradually. For the past couple of years it simply couldn't verify what it had written half the time. Now it really seems unable to burn anything most of the time.<br>
<br>
So I guess my question is: does anyone know if abruptly halting the machine with a spinning disc in it over and over again (it's happened over 1000 times by now) damage the optical device?<br>
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<br>
Angelo<br>
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