P45 Platinum does not boot

I just got a net P45 Platinum and I can't get it to boot. All the LEDs are lit but I just get an empty screen. If it does try to start it gives me the safe mode screen but will not do anything when I try to enter it. The only way I have been able to get it going it to hit the magic Bios button in the back. Last time I built a machine was about 8 years ago so I am lost. Any help would be great.
most likely this will not be all the info you need but here goes
Main Board P45 platinum Bios 1.5
OCZ PC8500 DD2 1066MHZ (2x1024)
E7400 processor
Ultra X connect 500 power supply
Sapphire 4680 vid card
Maxor 160 gig Sata drive
Thanks for your help

Enter BIOS Setup after clearing CMOS, load "Optimized Defaults" and test the following settings in the Cell Menu:
- FSB/DRAM Ratio = 1:1.2
- DRAM Voltage = 1.95V [use the +/- keys of your keyboards numpad to change voltage values]
- Spread Spectrum = Disabled
See if that changes anything.
If it doesn't, test the same settings with only one memory module installed (try each module seperately).
Furthermore:
Quote
All the LEDs are lit
Check the POST Status LEDs and post the status code here (check your user manual).
Quote
If it does try to start it gives me the safe mode screen but will not do anything when I try to enter it.
Are you talking about the operating system (Windows? (XP?,Vista?,Windows7?) safe mode screen?
Quote
Ultra X connect 500 power supply
Please have a look at the PSU Sticker and post the amperage limits (A) on each of the main voltage rails.

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