I have a Dell inspiron 3521 and it's 11 months old. Today when I opened it this message appeared : "Your battery has experienced permanent failure and needs to be replaced. I can open the notebook when ac is on but the red led of battery is blinking and the battery can not be charged. Also in bios i get the same message about battery. Is this really a permanent failure ? It's just 11 monts old. What can I do ?
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