It could be a corrupted file system, bad hard drive or even a bad stick of ram.
It really doesn't help knowing that you can't boot from CD - it could be a dirty lens or bad ide ribbon causing that part(or scratched cd for that matter)...Although, try removing the Hard Drive completely from the boot sequence and see if you can boot from the CD then...
verbob
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well, you could start by opening your own thread instead of reviving a 3 year old one...
Beeps are an indication of HARDWARE issues, not software. Pay attention to how many beeps and look through the Manual to see what the sequence means.
verbob
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There may be BIOS issues with Windows 7, try updating the BIOS.
Did you UPGRADE, or do a full install?
verbob
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