just got a Pavilion for christmas. after its been running for about 30 mins it makes a buzz sound through the speakers and the com goes really slow for like 2 seconds at a time. this keeps happening for like 2-5mins then it stops. then the same thing happens about every 15 mins after. when i turn sound off the buzz noise stops but the computer still goes slow for the time. any suggestions? now its been 9 months and still same and i send the laptop to pc world about 3 times everytime they fix and send me back i still had that problem...... help
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