New build won't boot/post

Hi guys, its my first time posting here. i just bought myself a new computer, rather bought parts off the net and had my friend assemble it. After it was all put together we turned it on and low and behold nothing appears on the screen. All the fans, mobo light and HD activity lights all turn on but nothing appears on the screen. There is no beeps, and the computer will just kinda idle like this indefinitly.

I tested the ram, video card, hard drive, and power supply on my friends computer but couldn't test the CPU/mobo. Everything we tested worked fine on his computer.

Specs:
Asus P5K mobo
Intel Core 2 duo processor E8400, LGA 775 Pkg 3ghz
BFG GeForce 8800GT OC 512MB video card
OCZ stealthxstream 600W PSU
OCZ Platinum XTC REV.2 PC2-6400 2GB DDR2-800 ram

Highly frustrating as you could imagine that my brand new computer doesn't work, any suggestions would be greatly appriciated.
Thanks
-Jeff
5 answers Last reply
More about build boot post
  1. What BIOS are you running? P5K processor support list says E8400 is supported by BIOS 0803 and up. You may need to update the BIOS using a spare CPU.
  2. How can I check what BIOS i'm running if the computer doesn't post? I'll have a call around to my friends to see if any have a CPU I could use. thanks for the quick reply.
  3. I agree with rwpritchett.
  4. I just fixed a problem with my machiene after trying multipule new parts (Motherboards)

    Make sure your CPU Is compatiable
    Make sure your PSU is powerful enough
    Make sure your motherboard isnt faulty in any way you can...
    Also, make sure your motherboard is mounted into your case propperly so that nothing is shorting out against the frame

    My problem presented EXACTLY the same symptoms as yours, and my problem was my motherboard being faulty TWICE - Both the same Manufacturer/Model
  5. jeff_austin said:
    How can I check what BIOS i'm running if the computer doesn't post? I'll have a call around to my friends to see if any have a CPU I could use. thanks for the quick reply.
    Sometimes manufacturers will put a sticker on the BIOS EEPROM chip that has the BIOS version that the board shipped with.

    If you can borrow a spare CPU that would be best, or else you can get a cheap celeron for ~$40. If you have to spend money though, maybe you could just take the motherboard to a specialty PC shop and have them test the board for a fee.
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