Dell - Dell XPS 15 9550 ling Noise coming from speakers when plugging and un plugging power supply.

  • Righ-click speaker icon on the taskbar and click on troubleshoot sound problems. It should sort it out, it worked for me. And make sure nothing is ticked in enhancements.
  • Tags: dell 9550 power Erreur : SQLSTATE[HY000] [2003] Can't connect to MySQL server on '' (111)