The hard drive connectors come to mind.

"Quik" <Quik@discussions.microsoft.com> wrote in message
news:866363E0-8576-4EB9-878A-521EB4F0FA5A@microsoft.com...[color=blue]
>
>
> "Colin Barnhorst" wrote:
>[color=green]
>> Good. That is the first thing to check with the symtoms you are seeing.
>> The next step is to reseat the video card, then the ram. After that,
>> connectors.[/color]
>
> Already done all that, it's not the ram or the video card. What do you
> mean
> by "connectors"? Specifically which connectors could cause this to happen?[/color]