1. 

   technical Moderator Staff Member

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   try it
   https://vinafix.com/threads/hp-15-u483cl-day62pmb8e0.23305/#post-86440

    

   #21 technical, May 22, 2019
2. 

   41ifix Well-Known Member

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   Did you post a serious number, MAC address etc?
   
   Occasionally, with restarting the computer once, error does not return.

    

   #22 41ifix, May 22, 2019

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