salam, kya hal hain sab k umeed k sab khairayat se honge...

mere ye problem haii k ...
jab main pc on kar k chala jata hon Monter sirf off karta hon takreeban jaise k mein rat ko pc on rakh k sirf monter off kar deta hon kyn k downloading horahi hoti he to jab main subha uth k Monter ON karta hon to Pc kud b kud Restart hota haii ye massala kya hai mjhe kud samjh main nahi araha ... and jab me monter off kiye begair pc ko aise on rakhta hon to tab chal raha hota hai .... ? ye problem kya haii mjhe thora bataein experts please ?