I got my 5850 yesterday, connected it properly etc. Thing is when i goto boot my machine the lights come on but the monitor doesnt. You can hear the graphics card fan sort of "revving" (like a car revving basically) and each rev seems to restart the machine, after about 6-7 revs the monitor comes on and everythings ok. Just wondering if i can sort out the boot problem, was thinking maybe its struggling to get power at the start?