First off a list of what was running at the time of the problem.

VLC - playing at 1/4 screen (40min episode of Boston Legal)

Msn - Minimised

Alok video/mp4 converter - Converting a file from wmv - avi

65 processes running

FAN SPEEDS

case fans = full
Cpu fan = 83% 3792rpm
Gfx fan = 60% 2761rpm

Cpu temp = 47c
Ambiant = 28c
HDD1 = 26c
HDD2 = 25c
Temp 1 = 47c

Ok what is happening is at random times when i was doing this my monitor goes into power saver mode (standby) so i have no choice but to turn the pc off and on again. I can't get the screen back any other way. I have unpluged the screen from everything and back in and nothing happened and also connected it to the pc both with VGA and DVI and then when it happend switched between the 2 to see if it would bring the screen back. The monitor is a Dell UltraSharp™ 2007WFP 20.1" Widescreen.

This has happened a few times and i don't want it to keep happening.

My pc specs btw are

Asus -
Intel pentium 4 540 Prescott 3.2ghz
2 x 1 gig ram DDR (pc3200 200mhz)
2 x 250 gig HDD
Nvidia 6600 256mb


Anyone else had any problems like this? Or heard of anything?

Am i over working my pc?

Any help would be appreciated.
gee.