Random Restarts Help!!!

Still got the 1800? If so, you could switch back to it just to see if your problem persists. The early 8800 cards did have some sort of problem that required a recall... some of those defective cards did slip out and make their way to end users. I checked the specs on that PSU you got and you're good there... 28 amps on the 12 volt rail... that should be adequate. Switching back to the 1800 would likely help narrow the search for your problem.

Specification
Description HPU-4B580

Wattage Rated Wattage 580 Watts
Peak Load 630 Watts

+12V 1 (± 5%) 1.0A - 20A
+12V 2 (± 5%) 1.0A - 18A
-12V (± 10%) 0A - 0.8A
+5VSB (± 5%) 0 - 2.5A
+3.3V (± 5%) 0.5 - 30A

i thought that if the +12v1 has 20A and +12v2 has 18A the total would be 38Amps max ?? and as i restarts even in IE and Word i wouldent have thought it was that (sorry for not making a detailed explanation of my problem)

But i think i will reinstall my windows tomorow thanks

I agree with Mpilchfamily that your psu is too low in power. With that 8800 card, you should be looking closer to 700-750wt. Rodney is also correct in that a number of early 8800 cards were defective. If you have one of those, that might contribute to the problem, but isn't the sole cause.

The generic host error could either mean that you need to run a repair or reinstall of the OS, or be that the card is causing a problem. Also, since you're switching from ATI to Nvidia, make sure that you have all the old drivers cleaned out before the new ones are installed. I've made that mistake in the past and it bugged the heck out of me before I figured it out.

Yes the 8800gtx was a a)its powerfull and b)there was a chanse that my old graphics card id duff thing i new the cpu is a huge bottlekneck but it still gave me 50more fps on bf2

First off, Goto system properties, advanced and disable the Autoreboot on Critical Error. That way your BSOD will stay on the screen and you can then research what is actually wrong with windows. It may be a simple re-install of your chipset drivers. Give that a shot before reloading XP or plunking down the cash for more hardware.

One of those would be ideal for this type of situation where the PS is teetering on the edge. Could be a very worthwhile addition to the system.

It could be a few things. Try running a free online virus scanner (regardless if you have an AV already installed) like Trend Micro's Housecall, in Safe Mode with Networking and see if it turns up anything.

Have you had any power outages or brownouts before this started happening? If so, damage to the board could have occurred during one of them. Check for bulging or leaking capacitors on the board.

ok would one of these do the trick

Corsair HX 620W http://www.overclockers.co.uk/show [...] =CA-004-CS

With the CPU @ max load and at 3.3GHz, 4 HDDs, optical drive, overclocked 8800GTX @ max load, lots of fans, Soundblaster Audigy, my PC only draws 360W from the wall.

Given that the PSU cant be more than 90% efficient, the PC itself has to be using 325W at an absolute max, and that's on all rails.

The Hiper 580W should be enough for it to run imho. You said the problem started with your old x1800, which consumed less power than the 8800GTX, and simply continued with the 8800GTX.

You ideally do want more headroom on the PSU, but it shouldn't be causing this.

Do this:

1. Right-click My Computer, and then click Properties.
2. Click the Advanced tab.
3. Under Startup and Recovery, click Settings
4. Clear the Automatically restart check box, and click OK lots
5. Restart


Then, when the error next occurs the system will not reboot. You can then read it