https://community.sony.se/t5/pcs-accessories/svf142c29m-deep-noise-when-ethernet-cable-is-unplugged/m-p/1290350#M131346 <P>We have a svf142c29m touch screen laptop with&nbsp; 8Gb RAM, 1.80Ghz i5-3337U CPU, 270Gb Hard disk.&nbsp; The laptop is making a strange low noise when we unplug the network cable.&nbsp; a bit like a fog horn in tone and pattern.&nbsp; Its still as from factory.&nbsp; Nothing is coming up in the system logs.&nbsp; There is no antivirus, but we have tried it with Mcafee (came with laptop), Avast Free and AVG Free as well making the noise with all 3.&nbsp; The operating system is Windows 8.</P> Mon, 12 Aug 2013 13:23:37 GMT agarrett5 2013-08-12T13:23:37Z https://community.sony.se/t5/pcs-accessories/svf142c29m-deep-noise-when-ethernet-cable-is-unplugged/m-p/1290350#M131346 <P>We have a svf142c29m touch screen laptop with&nbsp; 8Gb RAM, 1.80Ghz i5-3337U CPU, 270Gb Hard disk.&nbsp; The laptop is making a strange low noise when we unplug the network cable.&nbsp; a bit like a fog horn in tone and pattern.&nbsp; Its still as from factory.&nbsp; Nothing is coming up in the system logs.&nbsp; There is no antivirus, but we have tried it with Mcafee (came with laptop), Avast Free and AVG Free as well making the noise with all 3.&nbsp; The operating system is Windows 8.</P> Mon, 12 Aug 2013 13:23:37 GMT https://community.sony.se/t5/pcs-accessories/svf142c29m-deep-noise-when-ethernet-cable-is-unplugged/m-p/1290350#M131346 agarrett5 2013-08-12T13:23:37Z