mere pass dell ki 20" KI LCD hai us pe koi bhi game chalo to yeh masla ata hai

out of range signal cannot display this video mode change computer display input 1600%1200@60hz

mene resolution's 1600%1200@60 bhi change kar k dhehki hain yehi masla a rah hai jab k sab games monitor pe work kar rahi hain lcd ki resolution's bhi ok hain driver bhi nvidia ka latest install hai any help