Help, reinstall SL on white intel imac

Hi There,
I recently installed linux mint on a white intel core duo imac, and now I'm unabel to reinstall Snow Leopard.
at the time I installed mint. I didn't really care about the current osx installation, so i wiped it out, and installed mint. It now seems like my white imac, doesn't think it's an imac. It won't boot from any osx install dvd's, but will boot from other 3rd party bootloaders. however, the keyboard doesn't work inside these 3rd party bootloaders, and thus I can't eject the drive, or even switch which os to boot/install.
So I'm kind of in a pickle., and would really appreciate any help.
Thanks!

It won't boot from any osx install dvd's,
Troubleshooting Mac OS X installation from CD or DVD

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Hi boxlight,
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Message was edited by: orch5

I am a bit confused as to which iMac you are trying to use with 802.11n.
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Model Name: iMac
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Hi I am having the identical problem with my 24" intel iMac 2007..... Did you ever figure out what the problem was? I'm on round 3 now and with a completely blank grey screen and it won't start up from the disk 1.. I also have diskwarrior and techtool pro as well as the osx leopard and snow leopard disk... The HD is new.. Replaced by apple 3 months ago.. Don't know the cause the first time this happened about 9 months ago.. 2nd time, 6 months ago it never rebooted from the office for mac 2008 critical update... Did a clean install after backing up to TC... Took it to apple replaced HD even though it appeared ok, they checked all hardware and I ran techtool pro daily ever since. Last week software update had several updates avail. Office for mac being one of them.. I updated and have never booted since.. . I swear to never ever use another Microsoft product as long as I live if I can just fix this once more... Help me please

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Reinstall OS X without erasing the drive
Do the following:
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 the Combo Updater for the version you prefer from support.apple.com/downloads/.

Help, reinstall SL on white intel imac

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