Dell D15U003 - Page 4

Heat sink.............................................................................................................................................................................. 37
Removing the heat sink..............................................................................................................................................37
Installing the heat sink................................................................................................................................................38
Internal Antenna ............................................................................................................................................................... 39
Removing the internal antenna in Location 1........................................................................................................39
Installing the internal antenna in Location 1..........................................................................................................40
Removing the internal antenna in Location 2........................................................................................................41
Installing the internal antenna in Location 2......................................................................................................... 43
SMA Antenna .................................................................................................................................................................... 45
Removing the SMA antenna in Location 2............................................................................................................45
Installing the SMA antenna Location 2.................................................................................................................. 46
System board......................................................................................................................................................................47
Removing the system board..................................................................................................................................... 47
Installing the system board....................................................................................................................................... 49
Chapter 3: Drivers and downloads............................................................................................... 54
Chapter 4: BIOS setup................................................................................................................ 55
Entering BIOS setup program........................................................................................................................................ 55
Navigation keys................................................................................................................................................................. 55
One time boot menu.........................................................................................................................................................55
System setup options.......................................................................................................................................................56
Updating the BIOS............................................................................................................................................................ 63
Updating the BIOS in Windows................................................................................................................................63
Updating the BIOS in Linux and Ubuntu................................................................................................................ 64
Updating the BIOS using the USB drive in Windows..........................................................................................64
Updating the BIOS from the F12 One-Time boot menu.....................................................................................64
System and setup password.......................................................................................................................................... 65
Assigning a system setup password....................................................................................................................... 65
Deleting or changing an existing system setup password.................................................................................66
Clearing CMOS settings.................................................................................................................................................. 66
Clearing BIOS (System Setup) and System passwords...........................................................................................67
Chapter 5: Troubleshooting.........................................................................................................68
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................68
Running the SupportAssist Pre-Boot System Performance Check................................................................68
System-diagnostic lights................................................................................................................................................. 68
Recovering the operating system................................................................................................................................. 70
Real Time Clock—RTC reset..........................................................................................................................................70
Backup media and recovery options..............................................................................................................................71
WiFi power cycle................................................................................................................................................................ 71
Chapter 6: Getting help and contacting Dell................................................................................ 72
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