3 long beeps? Any ideas?

Hello, I recently built a computer and when booting up, it doesn't give me a post beep or message. Fans are spinning etc. but no sign of successful boot. I took it apart until only the motherboard and CPU and I get 3 long beeps then reboot, and this happens over and over. When I put in the RAM, I have no beep but still no boot. Any ideas?

Intel Core i5-3450 3.10GHz (Ivy Bridge) Socket LGA1155 Processor - Retail
MSI Z77A-G41 Intel Z77 Socket 1155 DDR3 PCI-Express Motherboard
8GB Exceleram Value Series LP E30142A (2x4GB) 1333 (PC3-10666) 240-Pin DDR3 SDRAM CAS 9-9-9-24 1.5V
550W ARIANET ACE Xtreme Series Power Supply
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More about long beeps ideas
  1. Beep codes can mean different things depending upon the BIOS maker. Your 3 beeps apparently mean "can't find the RAM". If I'm reading your post correctly you are now trying to boot with only the RAM & CPU installed with no success. If I were you I would first try some known good RAM, only one stick at a time in each slot. If none of that works you have either a bad MB or processor. The only way to diagnose further is to replace one or the other with a known good one.
  2. I have no known working parts that I could use, I only have an old tower with DDR1 Ram in it and an old motherboard.
  3. Hi, How do you connect your monitor?
  4. HDMI, but I also tried VGA and same result
  5. With the board outside the case, insert only one RAM stick, connect the VGA, DVD drive, keyboard and mouse, check both power cables and start the board. Check if the CPU fan is spinning.
  6. Done all that, CPU fan is spinning, but still no boot.
  7. Then, if you know that the monitor does work, try reinstalling the CPU. Check the CPU socket for bent pins.
    Trying a different RAM (borrow a compatible stick) might also help.
  8. CPU checked - no bent pins. And I don't really have any RAM I could use instead.
  9. Then a local shop might help with testing the components. If no local shop available, try returning the RAMs and buying a known compatible kit.
  10. I arranged for a technician to come in and have a look now, thanks for your help though!
  11. If solving the problem, please post back. It will help other users with similar issues.
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