In the start menu, search for Windows Powershell · Right-click and select Run as Administrator · Type or paste in the following command: powercfg /batteryreport / ...
The Battery Test takes about two minutes. The Battery Calibration, if needed, requires 12 to 14 hours. You can cancel at any time by pressing the esc key.
At the command prompt, type powercfg /batteryreport, then press Enter. The battery report will be an HTML file that's stored in a folder on your PC. The file ...