Linsday,
Thanks for the suggestions. 

I have tried removing and reseating the CPU.  As far as I can tell it is fully seated.

My graphics card is powered from the bus (no external power connector) and I have tried removing and reseating the card to no avail.

I also tried removing and reseating all cables from the PSU including the motherboard power. 

With it being out of warranty I am thinking the only option left is an upgrade box or a insurance claim :(  When we bought G's laptop we got a 5 year warranty with it.  If only I'd elected the same option with the desktop (different stores and different warranty options but you get the idea).

I'm going to head into PBTech (Where I bought the kit from) today to ask Jann if he has any more suggestions.  They were the ones to install the kit to start with... all bar the o/s.

Ironically G's laptop is exhibint a fault that seems to plague Acer laptops.  Namely when on battery power it intermittently bluescreens or freezes completely with purple and white vertical stripes on the screen.  We will take the lapy into DSE to have it repaired under warranty.  Google searches for the issue seem to suggest it is either a graphics card problem or a battery problem.  Neither of which I am even going to attempt to fix myself because if it didn't work I've just voided the warranty.

J


On Sat, Mar 1, 2008 at 8:44 AM, Lindsay Druett <lindsay@wired.net.nz> wrote:
So other than the obvious power connector on the motherboard, there are actually (at least) two other power connectors, one for the CPU, and one for the graphics card (and another for a second graphics card).

Also, is the CPU seated correctly ?


On Fri, 2008-02-29 at 17:03 +1300, James Pluck wrote:
Hi All,

I have been having an intermittent fault with my PC which has now become permanent and I'm wracking my brain to resolve it.

Firstly - PC Spec
AMD x64 X2 AM2 3800 CPU
ASUS AM2 Nforce 570 mobo
Nvidia 7600GT 256 video card (Point of View is the manufacturer)
1 GB DDR2 667 ram
250GB SATA2 Seagate Barracuda HDD
80 GB ATA133 HDD
DVD writer
Thermaltake Soprano case with stock thermaltake 430W psu

Symptom:
On Powerup system starts to power up - fans start (2x120 mm case fans, chip fan, GPU fan), hdd's start, DVD starts - then before POST whole thing shuts down.  No bios beeps - nothing.  I don't get the GPU POST or the system POST.

I've done everything I can think of
* Undo and reseat all cards and cables - test - same problem
* disconnect all DVD and HDD (only mobo, ram and video connected) - test - that worked lat the beginning of the week but fault recurred last night.  Redoing all tests so far doesn't work.
* Removed and reseated ram - test - no go.

I'm not sure if I have a PSU issue (fail or too much connected for the rating of the PSU), a graphics card failing, a ram card failing, a mobo fail or a chip fail.  I don't have the hardware (this is my only pci-e system and my only sata capable system) to swap out components to isolate. 


Oh... and the warranty expired in November :(


Can anyone suggest anything else I could do to troubleshoot this problem?

Cheers
James.

--
James Pluck
PalmOS Ergo Sum
"Dear IRS: I would like to cancel my subscription.
Please remove my name from your mailing list..." 
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--
James Pluck
PalmOS Ergo Sum
"Dear IRS: I would like to cancel my subscription.
Please remove my name from your mailing list..."