I've been using Dell Inspiron N4050 since last year. But now I notice a small chirping sound (like small current or voltage leakage) from near USB and HDMI port. I got small shock 2-3 times in past from same ports. Though I don't get any electric shock now, it produces small sound as described above. It gets lesser as my laptop runs. Should I worry and take my laptop to service center or just neglect it?
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