Dear mery pass hp ka laptop hc6400 he kuch din se is ki speed kafi slow ho gai he jab start kary hain to windows load hoty 10 mint laga deta he..
maine is me windows bi dobara kar li he charger or betry bi chk kar li he betry utar kar bi chala k chek kiya mager problem wohi he....
ager me bios ki setting me jata ho waha bi speed slow hi he & ram or hard bi theek he
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