aspire 4738z problem

Shubham21
Shubham21 Member Posts: 1 New User
my lappy aspire 4738z stops working at any time and get jammed at a place than i have to direct off it than it starts again,what is the problem there and it has 4 gb of ram but in windows 7 32 bit it shows 2.86 gb usable,why this happens???give me the solution of both problems..
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