Kabi kabi jab mein comptr on krta hun too jab desktop screen aati hai too mouse ko helata hun too wo helta hai. Magr koi file, folder open nai hote. Aur jab Alt + Ctrl + Delete dabata hun too file open ho jati hai magr us se system na too shutdown hota hai aur na he restart. Phr jb mein usse batan daba k off kr k phr start krta hun too phr theek chalta hai. Kya koi bhai mujey bata sakta hai k aisa kiun hota hai??