Faulty snow leopard install discs

If you have an external DVD drive available to you then I would suggest running the Apple Hardware Test version 3A that came on the original install discs with that model.

I assume you didn't use the faulty DVD drive to do this? Also you need a retail version of Snow Leopard barring the original install discs , if you have the packaging, then you could see if it has the green dot that says You cannot use the original release of the retail Snow Leopard install DVD as your computer probably does not support even a minor version of the OS older than it shipped with which was Subscribe to Newsletter Advertise.

Have your say and comment below. Reports are emerging of faulty Snow Leopard install discs, yet the Apple support line's only advice is to go back to the store - which has most likely sold out.

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Ok, you certainly have tried all the things we would normally suggest here really, and still no luck, which is a real downer of course. Now, despite the fact that you get the HD appears to be ok message, it doesn't always mean that it is. However, I am wondering why you can't boot from the install discs at all. Does the install disc load ok? From reading back it would appear so.

I only ask in case it could be a case of a failed disc drive. Next question. Do you have any additional RAM installed that was added after you bought it? Faulty RAM can cause all manner of issues. Ultimately I would say go for a clean install, which you mention, but if you can't boot from the discs this is going to be tough. Try running Apple Hardware Test. It sounds a lot like RAM or motherboard failure.

You could also remove one RAM stick at a time to see if that gets it running. Okay, here are some updates. I was able to get Apple Hardware Test to work by holding down d on my keyboard during start up while original Leopard Install Disc 1 was inserted the results of which were "no trouble" by the way.

Also, in safe mode, the Install discs show up on the desktop. I'm pretty sure that this is also not the work of additional ram, as the only upgrade I made to my ram was at the time of purchase through apple. I have, however, made some progress in trying to reinstall the OS. Unlike the original Leopard Install disc, which prompts me to restart my computer after I load it in safe mode, the Snow Leopard disc actually begins the installation while my computer is still running.

Just out of curiosity though, I walked away for an hour and left it as it was, and when I returned the frozen gear screen had switched to Mac OS X Snow Leopard installation screen, with only a few minutes remaining!

I nearly jumped for joy. Unfortunately though, installing the OS again did not fix the blue screen problem, so I am going to try to go for a clean install this time. The only problem is that I'm not sure how to do one from safe mode; the snow leopard disc simply asks me if I'd like to install Mac OS X without giving me any options as to which type of install I'd like. The PDF manual that comes pre-loaded on the Snow Leopard disc claims that "if you need to restore your computer to the original factory settings, use the installation discs that came with your computer," which are the exact ones I still can't get to work.

I am going to continue playing around and hopefully I will be able to figure something out. Other advise though is, of course, always welcome. From memory Snow Leopard runs as "archive and install" by default.

I don't know if that helps at all, probably not. Out of interest, can you boot to disk utility and erase the drive? It may be worth running a high level erase, to eliminate any potential bad sectors, and then try the install.