P7p55d cpu and ram warning lights

I assume this is in the correct section.

I have recently built a rig with a p7p55d motherboard and an i5 750. On the motherboard there are warning lights. On attempted start-up both the CPU and RAM lights flash whilst the fans start and then it stops and repeats every two or three seconds never reaching BIOS.

The other specs are:

Coolermaster Silent Pro 700W PSU
ATI Radeon HD5770 GPU
2 x 4 GB Corsair Vengeance RAM
Coolermaster Hyper 212 + cooler

I am suspicious of a bad power supply but don't know anything else. I have checked with one stick of RAM in all the slots and then did the same with the other stick but still had the same results.

Thanks in advance,

Chris
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More about p7p55d warning lights
  1. I should probably also note that I bent the com1 plug on the motherboard by accident whilst inserting the optical disk drives. I don't think I damaged anything crucial in doing so - all the connectors on it are still in place.
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