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#21
You can call the PC maker's Tech Support for free help with the beep codes. They should be able to help you or ship it back for repairs which since it is free is always the best choice since repairs are rarely cheap.
Have you run a RAM and hard drive test from the Troubleshooting Steps for Windows 7
Which beep code for your BIOS brand does it most closely match? Once you find the BIOS make and model you can also google their names + Beep codes to possibly find more complete lists. But your tech support should be able to help you determine this.