Computer won't start - just beeps, what can I do?

My macbook pro, using snow leopard, will not start. It just beeps at me and will not come on at all.

probably ram related: http://support.apple.com/kb/HT2341

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Yes, they (the third-party utilities) both come on bootable DVD's. As I mentioned, since Snow Leopard was just released in its final version, the developers may be in the process of releasing updates.
Your situation is likely to be a case where the data corruption issue already existed before installing Snow Leopard, and the installation process made the problem more apparent (because something critical was installed where it was affected by the data issue).
It is a good idea to run +Repair Disk+ in Disk Utility on the startup volume before installing a major system update. Actually, I do it before any system-level update.
You should also have a backup (at least of your personal data if not the entire volume), in case something bad happens during a major system upgrade. If you were using Time Machine, the easiest recovery would be to reformat the internal drive and use the Time Machine complete volume restore utility to restore the volume back to the date/time state just before you installed Snow Leopard. Then, after restarting from that restored volume to make sure everything is working, start up from the Snow Leopard installation disc, run Disk Utility and use +Repair Disk+ (just to be sure), and run the upgrade to Snow Leopard again.
If you have a backup of at least your personal data, you may want to reformat the internal drive, install Snow Leopard and bundled apps, install your third-party apps from their original sources, update everything that needs updating, and restore your personal data.
If you don't have a backup, the best bet is to try either DiskWarrior or TechTool Pro. DiskWarrior is very specialized into repairing this type of data problem. TechTool Pro has similar capability, but it is a more general tool with other features.

Computer won't start - just beeps, what can I do?

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