How can i reinstall os one Imac Snow leopard 10,6,4

i have to reinstall my i-mac, snow leopard OS. the problem i have is that the mac dont takes the install cd, no matter what i try. the only thing what happens is that i can see the apple and i can hear that its working, but the cd becomes throw out after some seconds. im not able to start it at all, no matter what i do. after i let run the hardware-test i get the message that nothing is wrong, but still i can not install or start the mac. i have no idea what i should do or how i should do it. it was now 2 times in a service, the only thing i was told that everything is ok and i only have to reinstall it....i try my best, but it still will not do anything!! also the company info-care norge which has the mac-service tells me only to install all new and that it has nothing to do with my guaranty.

Report the company to AppleCare directly:
http://www.apple.com/contact/phone_contacts.html
Obviously they don't know some basic troubleshooting steps and need to either lose their service provider agreement or get better training.
Some of those basic steps are to:
1. Determine if your machine is too new to use the 10.6.3 retail, and then determine if you were using the prebundled disc that came with your Mac. Look at your Mac's serial number. The 5 alphanumeric characters that start it tell you how new it is.
xx013 or greater to xx111 can't use anything other than the prebundled discs.
xx935 to xx952 and xx001 to xx012 can use the 10.6.3 retail and prebundled discs that came with the Mac.
xx602 to xx934 can use any Snow Leopard retail and the prebundled discs, as long as 1 GB of RAM or more is installed.
xx601 and less can't use Snow Leopard at all.
Retail discs must look like * and not say Upgrade Dropin, or OEM.
x can be any letter or number.
2. Make sure the Mac is less than 4 years old. If it is more than 4 years old, to check if the PRAM battery is aging.
3. Determine if any of their discs that meet qualifications of #1 work. If they do, then ask Apple ship you replacement discs. If they don't, they should test an external optical bootable DVD drive to see if that works. And if that doesn't work to determine if the machine is stuck in a firmware upgrade loop, or firmware password reset loop, or if the hard drive is dying, or if one of your connected peripherals might not be compatible with the installer.
- * Links to my pages may give me compensation.

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  • How can i install mac os x snow leopard on Lion?

     

    You cannot. Either you erase the drive on which you installed Lion then reinstall Snow Leopard or you create another partition on the drive and install Snow Leopard on that partition so you can dual boot.
    Downgrade Lion to Snow Leopard
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    2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area.  If it does not say "Verified" then the drive is failing or has failed and will need replacing.  SMART info will not be reported  on external drives. Otherwise, click on the Partition tab in the DU main window.
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  • How can I install Mac OS X Snow Leopard on Mac OS X Tiger?

    Hello. Can someone tell me how I can install Mac OS X Snow Leopard on Mac OS X Tiger? I have the disk, but when I open the installer, I get a message saying that Snow Leopard could not be installed on my computer and it could only be installed on a Intel-Based Mac. This is a PowerPC Mac, so that makes sense.
    So, I'm trying to ask how to make my Mac an Intel-Based Mac so I could install Snow Leopard. Or if I can't do that, I need to know how to install Snow Leopard some other way. Please help.

    Just an FYI, the Mac App Store was introduced with Mac OS X 10.6.6.    However the rest of what you say is accurate.
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    https://discussions.apple.com/docs/DOC-2295
    and see this tip about used and refurbished Macs*:
    http://www.macmaps.com/usedrefurbished.html
    * Links to my pages may give me compensation.

  • How can I do a "clean install" Snow Leopard?

    Think I have corrupted the system, even though Disk Utility says it it fine.  I have upgraded to 10.6.8, but only have the DVD 10.6.
    Have inserted the DVD and tried to reinstall the base system about 5 times - all failed - came up with failure notice "could not instal support files" (or similar)
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  • How can i install mac os x snow leopard on a macbook pro new hard drive

    I replaced the hard drive on my macbook pro and I'm having difficulty installing Mac Snow leopard on the new hard drive. I press "C" when rebooting with the disk inside and all I get is "you need to restart your computer. Hold down the power button until it turns off, then press the Power button again" any suggestion?

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    1. Insert OS X Installer Disc into the optical drive.
      2. Restart the computer.
      3. Immediately after the chime press and hold down the "C" key.
      4. Release the key when the spinning gear below the dark gray Apple
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             "C" key.  Release the key when you see a small spinning gear appear below the
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         2. After the installer loads select your language and click on the Continue
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  • How can i hook up printer with snow leopard

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