Problem using running GW on Full Screen

I've had GW for about 3 months now, no problems what so ever... up to now. I went to go and play a half hour, and when I started GW up, the screen went black and then said, "No Signal."
When the black screen went away, GW was running in a minature window (maybe 80% of the screen taken up) and whenever I tried to put it back into full screen, I get the same "No Signal" message...
Any ideas on what this could be?

What Refresh rate are you running your monitor at?

You see if you are trying to run Guild Wars (Full Screen), in a higher refresh rate then your monitor can support, it will shut down "No Signal" to prevent damage, at which point it corrects itself by making rthe screen smaller.

For example my monitor (TFT one) can support a refreash rate of 75Hz at the max resolution of 1280 x 1024.

If I force it to run higher, it needs to go to a slower refreash rate, or it will mess up.

Check your monitoring manual or online to see what Refreash rate/resolution combos it supports.

Lowering the resolution in Guild Wars is also a work around.

ok thx man