Sponsored Topics. Ruffin is an unincorporated community located in Rockingham County, North Carolina. It is northeast of Reidsville, North Carolina and southwest of Danville, Virginia just off US 29 (Future Interstate 785). It has a population of 2,116[citation needed].
Test your battery using HP Battery Check. Running HP Battery Check with HP Support Assistant installed: Running HP Battery Check without HP Support Assistant installed: 1  Click Start. 2  Click HP Support Assistant. 3  Click Troubleshoot. 4  Click the Power, Thermal and Mechanical button. 5  From the Power tab, click HP Battery Check.
View a video on testing and calibrating the battery in Windows 8. Testing and Calibrating the battery using HP System Diagnostics in Windows 8 (preferred method). To test the battery using the HP System Diagnostics using the UEFI interface, start with the computer off and unplugged from the power.Use the following instructions to test the battery: Unplug the power cord and turn off the computer. Press the power button to turn on the computer.esting and Calibrating the battery using HP System Diagnostics in Windows 8 (preferred method). Testing and calibrating the battery using HP Support Assistant in Windows 8. Manually Calibrating the battery in Windows 8. This document pertains to HP and Compaq Notebook PCs with Windows 8.