This video provides indications of battery issues such as shorter battery life, difficulty in charging to 100%, and unexpected shutdowns. The initial troubleshooting steps recommended are to check the battery status in the system BIOS and running SupportAssist for diagnosis.
Indications of battery issues are when there is a shorter battery life than expected, the battery has difficulty charging to 100%, or there are unexpected shutdowns when disconnecting the AC adapter.
Initial troubleshooting steps to start with are to check the battery status in the system BIOS and running SupportAssist to diagnose the battery.