I had a problem where BF1942 would switch to my second display (TV) and my monitor would blank out, and go to sleep. This would happen even after rebooting. I have a Geforce4MX card... so you may want to check that out. And hit esc to exit the game... takes you back to the menu.
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-Michael

#040103696 on a shelf
Mk2a - 90 GB - Red - Illuminated buttons