Ctrl+alt+down arrow key changed display settings

anujchaudhari

Honorable
Mar 6, 2012
1
0
10,510
Plz help me to restore my windows vistas original display settings ............suddnly i hit ctrl+alt+down arrow key and it changed display settings ............i dont know about any installation and reinstallation of drivers even i dont have any backup of it...........its Mobile Intel 4 express chipset family...........and Compaq presario CQ40 145TU model............