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LAN card

Forum discussion tagged with LAN card.
  1. S

    Laptop Making Squealing Noise

    I have a Dell Inspiron n5040 laptop from mid 2011 and i noticed that when the laptop is running off of battery, there is a squealing sound that seems to be coming from somewhere under the keyboard. I have an SSD so I've ruled out that it could be the hard drive and i know it also isn't coming...