Question about HP Pavilion 520c PC Desktop
This causes a buzzing sound and the computer will not work.
Pull out the pwr cord and press the pwr button for one min and then release. this process is called as power drain. replug the pwr cord at the back of the computer and check. if its works then good or else replace the SMPS the power unit inside the computer. for sure it has gone bad. power unit is easily available in nearby retail outlets.
Posted on May 13, 2010
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Posted on Jan 02, 2017
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