Inspiron 24 5410 All-in-One Service Manual

Clearing CMOS settings

1. Turn off your computer, while keeping the AC adapter plugged in.
2. Press and hold the power button for around 25 to 40 seconds until the power LED shows blinking white light.
   When you release the power button, the CMOS settings are cleared and the computer restarts. A dialog box is displayed, with options to run BIOS-Setup and Diagnostics.