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16.9.14 1841
The W - Internet & Computers - The CD ... shattered ?!!
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emma
Cherries > Peaches








Since: 1.8.02
From: Phoenix-ish

Since last post: 7 days
Last activity: 1 hour
#1 Posted on | Instant Rating: 8.47
OK. I wasn't in the house when the event occurred, but I have seen the results. So... A friend of mine was using one of my computers. She was going through a computer-based-training type thingy off of a CD. She'd been happily going along for about an hour, & suddenly she heard this *very* loud crack & a hideous grinding noise. She bailed, got the CD drive open, & found the CD itself in shards inside the drive's "drawer".

She phoned me in a tizzy, reporting that the CD had exploded. (Apparently the noise was *really*, **really** loud, & scared the crap out of her.) I told her that never happens -- I always find it reassuring to tell somebody that a thing they've just witnessed can't possibly have happened -- keeps them on their toes. :-)

By the time I got home, she'd jigsaw-puzzled most of the bigger pieces that just fell out, & accounted for about 2/3 of the disk itself, but there were clearly disk fragments still strewn inside the drive.

I had never heard of this happening! Looked around on google, & indeed found some articles (pcworld.com) about shattered CDs, & the numbers are like 1 or 2 in 10,000, only if the CD itself is defective, & mostly in the very high-speed drives. (Her comment was, "Why can't I hit odds like that in the lottery??") The part I thought was most interesting was that she'd been using the disk pretty intensely for a while before it trashed.

So, I've pulled the drive out of the tower & have fished CD shards out of the drive. Any bets on whether the drive itself is toast?
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Merc
Potato korv








Since: 3.1.02
From: Brisbane, Australia

Since last post: 1252 days
Last activity: 1230 days
#2 Posted on | Instant Rating: 5.22
    Originally posted by emma
    ... the numbers are like 1 or 2 in 10,000, only if the CD itself is defective, & mostly in the very high-speed drives. (Her comment was, "Why can't I hit odds like that in the lottery??") The part I thought was most interesting was that she'd been using the disk pretty intensely for a while before it trashed.

    So, I've pulled the drive out of the tower & have fished CD shards out of the drive. Any bets on whether the drive itself is toast?


They actually did this one on Myth Busters. It took them a while to actually break one, but they showed it was possible. They actually used an adapted router to get the rpms up. They did a couple of tests with a drive housing around it and the damage can be quite severe. It just depends whether anything major gets hit by the shards.
Guru Zim
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Since: 9.12.01
From: Bay City, OR

Since last post: 4 days
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#3 Posted on | Instant Rating: 8.81
I'd guess it is toast. The ones on Myth Busters were throwing shards into a ballistic gel dummy about .5 - 1" deep.

I doubt the optics would survive a high speed impact of one piece, let alone 1/3 of the CD mass.



Willful ignorance of science is not commendable. Refusing to learn the difference between a credible source and a shill is criminally stupid.
emma
Cherries > Peaches








Since: 1.8.02
From: Phoenix-ish

Since last post: 7 days
Last activity: 1 hour
#4 Posted on | Instant Rating: 8.47
Well, I'm declaring it done, although it's failing in the kindest, gentlest fashion I've ever seen from unhappy hardware. :-) Power up the machine & the tray opens. Close the tray, it thinks a moment, then opens the tray. Repeatedly. There's something very zen & gentle about the calm opening & closing of the tray -- I really can't get annoyed with it. :-)

I can kind of coerce the tray to stay closed, but I don't think the drive really accepts that. ("My tray is open. My tray is open. Ommmm.") So a disk won't actually spin up or anything.

Always possible that I could have broken something mechanically, but I prefer to think that it's failing an internal test & politely declining to continue. :-) Interestingly, things didn't *look* at all tragic inside the drive itself -- no obvious signs of mayhem at all.

I could pull the drive back out & fiddle with it some more, but I'm thinking that it's time to allow Mr. CDRW Drive to go.
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Memory can be tempermental. Try cleaning the contacts, sometimes they get dusty and the memory doesn't get recognised. If you have a mate with a similar spec PC, see if the ram will work in their PC. If it is dead, buy another 512.
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