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Has this ever happened to you? [message #14056] Mon, 27 August 2012 22:29 Go to next message
smac0031 is currently offline  smac0031
Messages: 56
Registered: August 2012
Karma: 0
Member
I was playing my favorite game, Master of Orion II. Then I quit the
game and ejected the CD and noticed there was a crack in the inner
ring. So I decided it might be a good time to make a backup copy of
this CD, if it were possible. I tried Disk Utility first and thought
it might be better to use Toast 9.0. I started running the program and
suddenly the plastic CD button goober shot out of the mirror door. I
got a cryptic "disc has read errors" message. I tried ejecting the
disc both using eject button on the keyboard and the eject button on
the front of the drive, which by the way is a Samsung from other
world.

None of this worked. The drive wouldn't open. I tried a paper clip and
that wouldn't work. I tried rebooting the machine and that didn't
help. I gave up and shut the machine down and pried the drive open.

The CD was in chunks. It literally exploded in the the drive. I have
probably 40% of it out of the drive in six pieces.

I've never heard of this happening. I loved that game. This sucks.

Now I don't have any excuses to switch over to my G5, no even lame
ones.

Mark Murphy

--
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Re: Has this ever happened to you? [message #14061 is a reply to message #14056] Mon, 27 August 2012 22:47 Go to previous messageGo to next message
Clark Martin is currently offline  Clark Martin
Messages: 156
Registered: August 2012
Karma: 0
Senior Member

On Aug 27, 2012, at 7:29 PM, smac0031 wrote:

> None of this worked. The drive wouldn't open. I tried a paper clip and

> that wouldn't work. I tried rebooting the machine and that didn't

> help. I gave up and shut the machine down and pried the drive open.

>

> The CD was in chunks. It literally exploded in the the drive. I have

> probably 40% of it out of the drive in six pieces.

>

> I've never heard of this happening. I loved that game. This sucks.

>

> Now I don't have any excuses to switch over to my G5, no even lame

> ones.


You should check out the Myth Busters episode about exploding optical drives. It was one of their first episodes. Short story is that with normal discs no drive they tried could destroy a disc. I think they did have some failure after abusing the discs (Microwaving was one method). They finally got a normal disc to fail by mounting it on a die grinder and, IIRC, running the die grinder off of 220V, twice it's rated voltage.



--
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Re: Has this ever happened to you? [message #14063 is a reply to message #14056] Mon, 27 August 2012 23:08 Go to previous messageGo to next message
Richard Gerome is currently offline  Richard Gerome
Messages: 8
Registered: August 2012
Karma: 0
Junior Member

There is probably only 2 things that could have caused this: 1st the CD broke going in when the thing comes down to grab the disc by the hole because of a miss alignment or 2nd It spun up to over 10,000rpm maybe it was 20,000 (Just like Clark said about Myth Busters figured out how much rpm would cause it to explode)... Now what I think happened was the first thing? Once they crack it will weaken them and the spinning of the drive would cause them to explode..?




-----Original Message-----
> From: smac0031 <m.smurph001@gmail.com>

> Sent: Aug 27, 2012 10:29 PM

> To: G-Group <g3-5-list@googlegroups.com>

> Subject: Has this ever happened to you?

>

> I was playing my favorite game, Master of Orion II. Then I quit the

> game and ejected the CD and noticed there was a crack in the inner

> ring. So I decided it might be a good time to make a backup copy of

> this CD, if it were possible. I tried Disk Utility first and thought

> it might be better to use Toast 9.0. I started running the program and

> suddenly the plastic CD button goober shot out of the mirror door. I

> got a cryptic "disc has read errors" message. I tried ejecting the

> disc both using eject button on the keyboard and the eject button on

> the front of the drive, which by the way is a Samsung from other

> world.

>

> None of this worked. The drive wouldn't open. I tried a paper clip and

> that wouldn't work. I tried rebooting the machine and that didn't

> help. I gave up and shut the machine down and pried the drive open.

>

> The CD was in chunks. It literally exploded in the the drive. I have

> probably 40% of it out of the drive in six pieces.

>

> I've never heard of this happening. I loved that game. This sucks.

>

> Now I don't have any excuses to switch over to my G5, no even lame

> ones.

>

> Mark Murphy

>

> --

> You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.

> The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml

> To post to this group, send email to g3-5-list@googlegroups.com

> For more options, visit this group at http://groups.google.com/group/g3-5-list



Scars only tell us where we have been, they do not have to dictate where we are going...

“Choose love and peace above all other options. Commit to the goal of unconditional love and compassion for all life, in all its expressions, and surrender all judgment to God.

--- Dr. David R. Hawkins

--
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Re: Has this ever happened to you? [message #14065 is a reply to message #14061] Mon, 27 August 2012 23:26 Go to previous messageGo to next message
Dan is currently offline  Dan
Messages: 89
Registered: April 2008
Karma: 0
Member
At 7:47 PM -0700 8/27/2012, Clark Martin wrote:
> You should check out the Myth Busters episode about exploding

> optical drives. It was one of their first episodes. Short story is

> that with normal discs no drive they tried could destroy a disc. I

> think they did have some failure after abusing the discs

> (Microwaving was one method). They finally got a normal disc to

> fail by mounting it on a die grinder and, IIRC, running the die

> grinder off of 220V, twice it's rated voltage.


Loved that ep!

Older discs can become rather brittle, especially if damaged in any
way. I've had two ancient discs break apart in the drive. That
ramp-up after a read error is killer, crack-crunch-screeeeech...

- Dan.
--
- Psychoceramic Emeritus; South Jersey, USA, Earth.

--
You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.
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Re: Has this ever happened to you? [message #14081 is a reply to message #14063] Tue, 28 August 2012 00:54 Go to previous messageGo to next message
Clark Martin is currently offline  Clark Martin
Messages: 156
Registered: August 2012
Karma: 0
Senior Member


Sent from an iPhone, don't ask whose.

On Aug 27, 2012, at 8:08 PM, Richard Gerome <onecoolkat72@earthlink.net> wrote:

> There is probably only 2 things that could have caused this: 1st the CD broke going in when the thing comes down to grab the disc by the hole because of a miss alignment or 2nd It spun up to over 10,000rpm maybe it was 20,000


The OP stated there was a crack in the disc. The disc could have failed because of the crack and being spun up to high speed.

--
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Re: Has this ever happened to you? [message #14220 is a reply to message #14056] Tue, 28 August 2012 21:00 Go to previous messageGo to next message
smac0031 is currently offline  smac0031
Messages: 56
Registered: August 2012
Karma: 0
Member

I got the DVD drive out of my computer. I gave up holding the whole
computer at various angles and shaking it to get the cd-rom out of it.

Roughly, a little over half of the cd-rom has fallen out of it. The
mechanism in the DVD drive seems to be jammed and only little bits fall out
now.
I am seriously considering using my ship vac next, although the last time I
used my shop vac on my computer I had to buy a new keyboard.

I think this drive is most likely destroyed.

The thing that impressed me the most is when it came apart the clip on
drive door popped open and shot out the the center button bar and it flew
half way across the room
If you will recall, G4's have a door covering their optical drives and the
button is in the center of the door and there is a plastic bar that extends
over to the right where the actual button is on a CD drive to open it.
It might look nice, but it's lame, if you ask me. This bar shot out of my
computer. Disk read error. Maybe Apple's later system software has a very
high level of copy protection that results the disk blowing up and jamming
up your optical drive.

That was my most favorite game ever. I guess I should quit screwing around.

Mark Murphy

--
You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.
The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
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Re: Has this ever happened to you? [message #14396 is a reply to message #14056] Mon, 27 August 2012 22:59 Go to previous messageGo to next message
Thomas Davies is currently offline  Thomas Davies
Messages: 1
Registered: August 2012
Karma: 0
Junior Member
I am certain the crack in the inner ring would effect the disk's
structural integrity but at normal speeds it would be fine. When you
tried to backup the disk Toast spun the drive up to maximum speed
(something like 52x) and the disk exploded because it wasn't strong
enough to spin at that speed any more.

In future I would recommend backing up cracked disks at 1x or as slow as
you're willing to wait.


Tom


On 28/08/12 12:29 PM, smac0031 wrote:
> I was playing my favorite game, Master of Orion II. Then I quit the

> game and ejected the CD and noticed there was a crack in the inner

> ring. So I decided it might be a good time to make a backup copy of

> this CD, if it were possible. I tried Disk Utility first and thought

> it might be better to use Toast 9.0. I started running the program and

> suddenly the plastic CD button goober shot out of the mirror door. I

> got a cryptic "disc has read errors" message. I tried ejecting the

> disc both using eject button on the keyboard and the eject button on

> the front of the drive, which by the way is a Samsung from other

> world.

>

> None of this worked. The drive wouldn't open. I tried a paper clip and

> that wouldn't work. I tried rebooting the machine and that didn't

> help. I gave up and shut the machine down and pried the drive open.

>

> The CD was in chunks. It literally exploded in the the drive. I have

> probably 40% of it out of the drive in six pieces.

>

> I've never heard of this happening. I loved that game. This sucks.

>

> Now I don't have any excuses to switch over to my G5, no even lame

> ones.

>

> Mark Murphy

>


--
You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.
The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
To post to this group, send email to g3-5-list@googlegroups.com
For more options, visit this group at http://groups.google.com/group/g3-5-list
Re: Has this ever happened to you? [message #14399 is a reply to message #14220] Wed, 29 August 2012 06:49 Go to previous message
Jon Gump is currently offline  Jon Gump
Messages: 5
Registered: August 2012
Karma: 0
Junior Member
Just a suggestion: buy the best quality CDs or DVDs you
can afford and then back up the disk.

For games or other optical media used often,
===========
Use The Backup!
===========

Store the original away where it´s dark.
Read up on the lifetime expectancy (mtbf) of CDs and DVDs.
Defend yourself against crap sales and manufacturing.
Become the real-world tech-warrior equivalent of your game avatar.

BTW, with a little research online, you can replace and even upgrade
an optical drive for an economical price. If you are mechanically inclined.
The only disadvantage is they´re a little noisey when pushing open a G5
door.

No Fear.
Jon


On 08/28/2012 09:00 PM, smac0031 wrote:
> I got the DVD drive out of my computer. I gave up holding the whole

> computer at various angles and shaking it to get the cd-rom out of it.

>

> Roughly, a little over half of the cd-rom has fallen out of it. The

> mechanism in the DVD drive seems to be jammed and only little bits fall out

> now.

> I am seriously considering using my ship vac next, although the last time I

> used my shop vac on my computer I had to buy a new keyboard.

>

> I think this drive is most likely destroyed.

>

> The thing that impressed me the most is when it came apart the clip on

> drive door popped open and shot out the the center button bar and it flew

> half way across the room

> If you will recall, G4's have a door covering their optical drives and the

> button is in the center of the door and there is a plastic bar that extends

> over to the right where the actual button is on a CD drive to open it.

> It might look nice, but it's lame, if you ask me. This bar shot out of my

> computer. Disk read error. Maybe Apple's later system software has a very

> high level of copy protection that results the disk blowing up and jamming

> up your optical drive.

>

> That was my most favorite game ever. I guess I should quit screwing around.

>

> Mark Murphy

>


--
You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs.
The list FAQ is at http://lowendmac.com/lists/g-list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml
To post to this group, send email to g3-5-list@googlegroups.com
For more options, visit this group at http://groups.google.com/group/g3-5-list
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