Merey pas AOC LM760 17" Monitor hai.

2 din se os mien yeh masla a raha hai keh, khud ki contrast ka option screen par a jata hai aur contrast kam hona shuru ho jati hai.option hide nahi hota usi trah open rehta hain. lekin screen par koi asar nahi hota. screen ki contrast theek rehti hain.
koi button kam nahi karta. na hi monitor off karne par off hota hai. sirf main power off karne se off hota hai.

kia koi bata sakta hai keh Kia masla ho sakta hai?