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Old Nov 8, 2008, 01:16 PM   #1
Rugbyplayer
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I cannot boot up my MacBook Pro from CD

Can anyone tell me if there's some secret to booting from a CD?
I insert the CD (in this case Disc Warrior 4.1 for OS X, also happens with Drive Genius), hold down C during start up...I get the Apple logo, then the machine just shuts down and reboots - over and over if I keep the C down.
Is there something else I need to do, or do I have an optical drive problem?
MacBook Pro, 2.6 GHz, duo. OS X.5.5
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Old Nov 8, 2008, 01:23 PM   #2
SnowLeopard2008
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You can only boot from the grey restore disks if I remember correctly, someone please correct me if I'm wrong.
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Old Nov 8, 2008, 01:36 PM   #3
Catch Them
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Quote:
Originally Posted by Rugbyplayer View Post
Can anyone tell me if there's some secret to booting from a CD?
I insert the CD (in this case Disc Warrior 4.1 for OS X, also happens with Drive Genius), hold down C during start up...I get the Apple logo, then the machine just shuts down and reboots - over and over if I keep the C down.
Is there something else I need to do, or do I have an optical drive problem?
MacBook Pro, 2.6 GHz, duo. OS X.5.5
is the disk clean and fairly scratch free?

try holding down the option key at boot instead of C

either method should work and may take a bit of time for it to load up properly, upto roughly 10 minutes for the boot up sequence to go through.

But try option as a second resort.

**
also try resetting the PRAM and SMC ... could be miscommunicating somewhere , otherwise try with your install disks to see if they load up, if so maybe need to create a new DW4.1.1 disk
otherwise try to go into system preferences and select the DVD drive as the start up drive instead.


hope these help

Last edited by Catch Them; Nov 8, 2008 at 01:43 PM.
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Old Nov 16, 2008, 01:00 PM   #4
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Thanks for your reply. Its a brand new disc, right out of the box. I tried all your suggestions but none work.
The option key solution gave me the two start up disc options, but when I selected the CD, it ignored it and booted from the HD.
The original OS X Leopard disc was recognized and the MacBook booted up from it, but I'm really wary about re-installing anything from that disc. I'm not that technical, and I just can afford to lose stuff.
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Old Nov 16, 2008, 01:31 PM   #5
Blue Velvet
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Quote:
NOTE: The current DiskWarrior DVD cannot start up the new MacBook/MacBook Pro/MacBook Air models introduced on 10/14/2008. An updated disc that will also start up these recent Mac models will be released as soon as Apple, Inc. releases new startup files to Alsoft, Inc. and other developers.
http://www.alsoft.com/DiskWarrior/requirements.html
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Old Nov 16, 2008, 01:51 PM   #6
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I'm not familiar with Disk Warrior but it seems clear that you must boot from Leopard OS X using the aforementioned 'c-key.'
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Old Nov 16, 2008, 03:37 PM   #7
sickmacdoc
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Originally Posted by Blue Velvet View Post
Just to add one note to what Blue Velvet posted, when you read the linked material if you look closely they have a link in it as to how to use DW with a system that the disk cannot boot successfully. Easy to overlook that so just wanted to mention it.
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Old Oct 10, 2009, 02:17 PM   #8
Thomasnatal
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Did you find a solution?

Hello Rugbyplayer,

Did you (or anybody else) find a solition for this problem? I am having exact the same problem. I can not start from any disk, tried it from Leopard, iDisk, etc. Te machine just shuts down and reboots - over and over ....

Thank you in Advance!!!
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Old Oct 11, 2009, 11:03 AM   #9
Rugbyplayer
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Start up from CD

Hi, Thomasnatal:

I did eventually overcome the problem, but I can't really tell you how, as it was through some random, frustrated, combination of holding down certain keys on start up. I think I held the "C", the control key and the option key for quite q while through the apple logo stage etc., but I couldn't swear to it.
The usual rookie, non-tech solution!
Sorry I can't be of more help.
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Old Oct 11, 2009, 11:18 AM   #10
Thomasnatal
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Hello Rugbyplayer,

Thank you for your answer. It is really a frustrating situation. I will try to press the "right keys". Wish me luck!

Thank you again,

Thomas
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Old Nov 11, 2010, 05:40 PM   #11
macbokpro
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If MacBook Pro wont start

I had a problem where my Macbook Pro would not start. All that would happen was that it went to a grey screen with the apple in the background and the circle swirling.
After many hours of frustration, I pressed SHIFT and COMMAND and V during the start-up and it finally worked! Pressing 'shift' and 'command' and 'v' is the equivalent to the safe boot in Mac, and it worked. I hope this helps people who cannot start up their Macbook Pros.
Max uses cheap hardware, and I will never purchase a mac again.
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Old Nov 12, 2010, 01:46 PM   #12
cookies4all
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Ok , this is my first post, but...

You do know this thread is very old, right?
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Old Nov 12, 2010, 03:20 PM   #13
Mal
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Don't worry, he's just a troll (look at the last line). He's wrong too, only the Shift key prompts Safe Mode, Command and V simply trigger Verbose mode, which allows you to see the system prompts as the computer boots (in a text-based layout).

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Old Nov 12, 2010, 03:29 PM   #14
cookies4all
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Oh, I should have read more carefully. And it seems he only joined to post that.
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