It was predictable I suppose, but I thought I'd 'suck it & see'. I also tried copying the contents of the Snow Leopard Disc on to a Data Pen via my old Toshiba (Windows PC) laptop, but again, no joy there. Since I wrote my message asking for help with my MacBook's Built-In DVD Drive I have cleaned the DVD Drive's optic with a proper Lens cleaner Kit, but it made no difference. MacBook Built-In CD/DVD Drive Not Working. However, I do need my notebook for my work and for the new business venture I am embarking on so, I will do what is necessary to keep it up and running properly. Like a lot of people at the moment, I am experiencing some very tough financial challenges so I really don't have a lot of money. Is this possible and if so, should I be aware of anything in particular? If this isn't possible does anyone have any ideas/suggestions, please? Also, does anyone have a MATSHITA DVD-R UJ-857E for sale or can you recommend where I might get hold of one please? (I'm also thinking of locating a MacBook which is going for spares/repairs.) I have used an old Toshiba laptop to copy the contents of the new Snow Leopard Disc onto an SD Card with the idea of installing the new OS X via my SD Card through an USB port. I have attempted to use Disk Utility several times to diagnose & repair the errors but to no avail. The internal CD/DVD Drive does not recognise Film DVDs, Retail Music CDs or the OS X Snow Leopard Disc I have just purchased to upgrade my MacBook system. It didn't come with any CDs/DVDs or Install Discs of any description. I bought this MacBook 2nd hand at the beginning of 2011 via eBay. I own a Black MacBook4,1 (built late 2008). I am in need of some help and advise please.

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