Computer wont boot.

[NightOtter]

I just finished building a system and I am having problems. Here is the problem.

In order to boot the computer I had to power off and on several times. Those times that it wouldn't boot up, the power was still on but nothing was happening. There was no method to booting up, it would just boot up sometimes and other times nothing.

Now it wont boot at all. Occasionally I'll see the pink (hard drive) led light up for a second, but then nothing.

I am afraid that my motherboard is shot.

My motherboard is

ASUS P5K DELUXE/WIFI-AP LGA 775 Intel P35 ATX Intel Motherboard

And yes, I have the latest bios upgrade.

any thoughts? thanks in advance...

Otto.

 

[mpilchfamily]

First of all we need a full list of your system components. This issue culd be either the motherboard or the PSU. If it looks like the system is too much for the PSu then we'll know its the PSU.

 

[NightOtter]

thanks MP, below is a list of what I have put together... one other thing, whilst I tried to boot the system up, there was once or twice the machine started on it's own.

motherboard - ASUS P5K DELUXE/WIFI-AP LGA 775 Intel P35 ATX Intel Motherboard

power supply - SILVERSTONE ST75F 750W ATX 12V 2.2 & EPS 12V SLI Ready Modular Active PFC Power Supply

CPU - Intel Core 2 Quad Q9300 Yorkfield 2.5GHz 6MB L2 Cache LGA 775 95W Quad-Core Processor

memory - G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory

primary hard drive - Western Digital VelociRaptor WD3000GLFS 300GB 10000 RPM 16MB Cache SATA 3.0Gb/s Hard Drive

second hard drive - Seagate Barracuda 7200.11 ST31000340AS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s Hard Drive

video card - SAPPHIRE 100243-1GL Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card

Operating System - Microsoft Windows Vista Ultimate

 

[Atheus]

Nice machine. The PSU is fine.

I suspect a short - take it apart, including removing the heatsink, then reassemble it on a bit of cardboard on a desk with one hard drive and one stick of RAM. Reattach the heatsink according to the instructions.

 

[NightOtter]

Thanks Atheus. I wont be able to do anything with the machine for a few days, but I will try what you advise.