I was rather surprised when, in spite of being plugged in and my Battery showing as being fully charged – 100%, the battery indicator icon showed the battery as being fully empty!
There are times we are confused about the actual state of our laptop battery.
Follow the steps provided on the manufacturer website to download and install the BIOS update.
You can also refer to our additional information and help with BIOS updates page for more information about updating a BIOS.
I have NOT enabled hibernation as I don't use it but wonder if that has an influence or not.