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.
When your HP laptop fails to start up and a black screen is displayed or your computer freezes during startup, your HP laptopâs power button serves as a reset mechanism that powers the system down and restarts the boot-up process once you press the button again.tep 3. Press and hold your HP laptopâs power button for 15 seconds, then release the button. Step 4. Reconnect your laptopâs power adapter. Step 5. Press your laptopâs power button to turn on the computer with the battery still not installed. The laptop starts booting up and the status lights on its front illuminate.