Can not boot from Mac OS X Install Disc 1, G5, Snow Leopard

I have version 10.6.8 installed. Compter is a 2 x 2.66 GHz Dual-Core Intel Xeon. 6GB memory
I want to run Disk Utility and startup from the install CD that came with the computer (the grey one, disc 1, or even the retail disc Mac OS X Snow leopard, the whit one) but I CAN NOT DO IT. So frustrating.
I restart, hold down the "C" key, before the chime, after the chime, every which way, and my Mac always acts as if I am simply restarting, goes right to the login screen everytime. I tried holding down OPTION on restart to choose which to startup from, but only saw the hard drive as an option. I open System Preferences, Startup Disk and the install CD does not even show up as a choice to start from, yet the install CD shows up in the finder.
What am I doing wrong?
Thanks

OK.
According to the knowledge base that model should have shipped with Tiger, 10.4.7.
Going to need some thought here, though. I was going to suggest a possible problem with the optical drive, but you say the DVD mounts on the desktop as a normal DVD would?
Nevertheless, do you have access to another Mac or an external HD with a bootable OS X on it (later than the Tiger version your Mac Pro shipped with)?
If so, try booting from the external, or from the other Mac using Firewire Target Disk mode, and using DU from one of those sources to repair the MP's internal HD, then try the disc(s) again.

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Hi jackVDP;
It sounds like you aer using the generic Leopard DVD. Could it have an older version of Leopard that your Mac had originally? If so the Mac will not boot .
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Hi Warren
Try holding the Option key and see if it will boot into Startup Manager, where you should be able to choose from a good Drive or your install Disk.
http://support.apple.com/kb/HT1533
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http://support.apple.com/kb/HT1509
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hope someone can help me.
Bought the new imac 21" and replaced the superdrive with a ssd drive.
Works great but it seems that the imac is not able to boot from any usb device.
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If your Mac meets the System Requirements for Snow Leopard you do not need leopard.
Snow Leopard = OS X 10.6.x
It is Not available as a download... It is a Paid Upgrade.
Do this first...
Check that your Mac meets the System Requirements for Snow Leopard...
Snow Leopard Tech Specs
http://support.apple.com/kb/SP575
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http://store.apple.com/us/product/MC573Z/A/mac-os-x-106-snow-leopard
Other countries...
http://support.apple.com/kb/HE57
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You can get replacement System Install & Restore CD/DVDs from Apple's Customer Support - in the US, (800) 767-2775 - for a nominal S&H fee. You'll need to have the model and/or serial number of your Mac available.

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Hello all,
(Macbook Pro, Core 2 Duo 2.2, 4 gb ram upgrade, otherwise stock)
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I would try removing one stick of memory and attempting to reinstall. If it appears to work, add the other back and try to reboot. If it fails on one stick, then try the other. This way you can at least eliminate if its a HD or ram issue.
It sounds like a drive issue, but swapping out ram is easy and can eliminate a lot of other potential causes of the problem.
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I can't boot from mac installation disc even while holding 'c' button

I can't boot from installation disc even while holding 'c' or 'option' button. It remains at the grey screen. How do i overcome this?

Can you boot normally and use System Preferences> Startup Disk to select the CD as the boot volume?

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No.
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~Lyssa

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When i plug it into the Mac Mini and start up with Option key. It recognizes it.
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Hi,
Thanks.
It is running 10.5.8.
I am trying to boot up an external drive with 10.5.8 on it. It works on my Macbook Pro which is running 10.5.8, runs on my IMAC running SL. But doesnt work on the mac mini?
It had been running SL, however there are a number of programs I have like Windows Live Sync which are not yet compatable with SL so i downgraded to 10.5.6 which came with the Mac Mini then loaded all updates.
It seems to just go into an auto reboot as soon as i click on it.
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Thanks

PowerBook G4 With New Hard Drive - Can't boot from 10.2 OS Install Disk

My sister's hard drive died so I bought and installed a new Seagate 160GB drive. She has OS 10.2 OS disks but is not sure if they were for this computer. The fact that the computer is copyright 2004, and the disks 2002 makes me wonder. When I try to boot with the 10.2 disk, I never see the drive icon when I'm booting up. Holding keys results in:
Option - Return Arrow and Next Arrow, no drive icons
T - With attached USB DVD drive - only get the strange floating Y with the circle in the middle
None - just the folder and ?
I've also reset the PRAM.
Are these the right disks? If so, is there something else I need to do to have the computer recognize the CD when booting up?
The disks are white with the Jaguar(?) spotted X. The only text on them say Mac OS X v10.2/Install disk 1; Not for Resale; Version 10.2/2Z691-3706-A; the Mac and Apple logos and the copyright 2002 notice.
PowerBook G4
Model a1095; copyright 2004
1.3GHz/256MB/60G/Combo/BT/APX
W84200GUQHX

Hi, kjfrey55 -
Typically the OS version that a machine originally shipped with is the minimum OS version it can use.
Based on info from the s/n you gave, your machine is a PowerBook G4 (15 inch) model, with an estimated ship date of Aug '04.
That model originally shipped with OSX 10.3.3. It can not use OSX 10.2.
It can use a retail OSX Panther disk set provided that the version on it is OSX 10.3.4 or higher (if those exist).
It can also use a retail OSX 10.4 (Tiger) disk set.
You may be able to get a replacement original disk set for it from Apple's Customer Service -
http://www.apple.com/contact/phone_contacts.html

TS1440 My start up stop on the Flashing folder screen, and I can not boot my mac...

I just tried to restore my Macbook Air (2011), and something goes wrong, because now there is a Flashing Folder with ? Mark on it... And even if I Start Up the system with the "option" button pressed, the HD icons does not appear...
What I do?

Question (?) Mark, Blinking Folder, or Gray Screen at Startup
These are related but not identical issues. Their causes are outlined in Intel-based Mac- Startup sequence and error codes, symbols. Solutions may be found in:
A flashing question mark appears when you start your Mac
Mac OS X- Gray screen appears during startup
In most cases the problems may be caused by:
Problem with the computer's PRAM - See Resetting your Mac's PRAM and NVRAM.
Boot drive's directory has been corrupted - Repair with Disk Utility.
Critical system files are damaged or deleted - Reinstall OS X.
The disk drive is physically non-functional - Replace the hard drive.
Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
The main difference if you are using Lion or Mountain Lion is that you must first boot from the Recovery HD:
Boot From The Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Reinstall Snow Leopard Without Erasing The drive
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.
Reinstalling Lion/Mountain Lion Without Erasing The Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

Can not boot from Mac OS X Install Disc 1, G5, Snow Leopard

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