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iMac 20inch (Mid 2007 Build) with Ubuntu 12.0.4

How I got in this situation

I had a perfectly healthy Intel iMac running Snow Leopard several months ago. Then I got the dreaded spinning gear and several kernel panics. After getting a little frustrated (failing to find a solution online), I found an old macbook installation disk and used it to access Disk Utility.

From here, I erased my entire hard drive leaving me with no OS. I then created a Ubuntu DVD and installed Ubuntu onto the system. Now, on Ubuntu, I wine installed Transmac and burned a Single layer copy (with languages, etc. removed to save space) of Snow Leopard onto a 4.7GB DVD. I tried to boot from it and was met with first the grey apple screen and a spinning cog before the grey apple shortly turned into the infamous prohibitory sign.

Note: I met this problem previously when using Disk Utility to create a bootable USB of Snow Leopard, hence I severely doubt it has anything to do with the DVD created.

Resources at my disposal

  • 1 x iMac running Ubuntu
  • 6 x 4.7GB DVDs
  • 1 x USB Stick 12GB
  • 1 x Windows 7 Laptop

Resources I do not have

  • Firewire cables
  • Access to a prebuilt retail disk (Misplaced)
  • Access to another Mac
  • Apple Warranty

I would be hugely grateful if someone was able to tell me how to install Snow Leopard again.

share|improve this question
Just a note: Your mac will only take 4GB of RAM. – Simon Sheehan Sep 1 '12 at 14:19
Also it sounds like your using a pirated or non-apple version of a Snow Leopard install disk. This won't work. – Simon Sheehan Sep 1 '12 at 14:20
I've been told 6GB is the maximum I can run whilst maintaining stability. & yes it is but I can't find my legit copy. What else can I do?:/ – Caitlann Lloyd Sep 1 '12 at 14:24
Your processor also doesn't support that much RAM :). Also, snow leopard is still available online… – Simon Sheehan Sep 1 '12 at 14:34
Assuming you have a disk image of Snow Leopard, why did you customize it? Try to burn it as is and see whether that works. 4.7GB should suffice. – Daniel Beck Sep 1 '12 at 14:52

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