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#11
Check your mobo manual for beep codes. I've not seen them be tones, but find out for sure what that pattern means.
Type msconfig in Start Search box. What is running in Startup and Services (after hiding all MS services) in msconfig? Only your AV should be and it should be free lightweight MSE or Avast for best performance.
Make sure you followed the other steps closely to get a perfect install in Clean Reinstall - Factory OEM Windows 7 .