This should be one of the first things you try when encountering almost any problem with your laptop (or any device, really), as restarting can fix a lot of issues such as a battery not detected ...
The power adapter may be either loose or not working. Check if the laptop is charging with another power adapter. Read: How to fix Battery drain issues. 2] Open the battery compartment and clean ...
Changing a laptop battery requires basic tools like screwdrivers and a new battery matching the model. Reasons for changing a laptop battery include diminishing battery life, damage, or only ...