Dell Inspiron 24 5420 All-in-One Owners Manual - Page 5

Chapter 6: Removing and installing Field Replaceable Units (FRUs 74 Heat sink (integrated graphics)...74 Removing the heat sink...74 Installing the heat sink...75 Heat sink (discrete graphics)...76 Removing the heat sink...76 Installing the heat sink...77 Media-card reader...78 Removing the media-card reader...78 Installing the media-card reader...79 Power-button board with USB...80 Removing the power-button board with USB...80 Installing the power-button board with USB...81 System board...83 Removing the system board...83 Installing the system board...86 Microphones...89 Removing the microphones...89 Installing the microphones...90 Antennas...92 Removing the antennas...92 Installing the antennas...93 Display panel...94 Removing the display panel...94 Installing the display panel...96 Middle frame assembly...97 Removing the mid-frame assembly with antennas 97 Installing the mid-frame assembly with antennas 99 Chapter 7: Software...101 Operating system...101 Drivers and downloads...101 Chapter 8: BIOS setup...102 Entering BIOS setup program...102 Navigation keys...102 One time boot menu...102 System setup options...103 Updating the BIOS...111 Updating the BIOS in Windows...111 Updating the BIOS using the USB drive in Windows 111 Updating the BIOS in Linux and Ubuntu...112 Updating the BIOS from the One Time Boot menu 112 System and setup password...113 Assigning a system setup password...113 Deleting or changing an existing system setup password 113 Clearing CMOS settings...114 Clearing BIOS (System Setup) and System passwords 114 Contents 5