Dell D13U Service Manual page 4

Installing the eMMC storage module......................................................................................................................35
System fan.......................................................................................................................................................................... 35
Removing the system fan..........................................................................................................................................35
Installing the system fan............................................................................................................................................36
Power button......................................................................................................................................................................37
Removing the power button..................................................................................................................................... 37
Installing the power button....................................................................................................................................... 38
Coin-cell battery................................................................................................................................................................ 40
Removing the coin-cell battery................................................................................................................................40
Installing the coin-cell battery...................................................................................................................................41
System board..................................................................................................................................................................... 42
Removing the system board..................................................................................................................................... 42
Installing the system board....................................................................................................................................... 43
Heat-sink............................................................................................................................................................................. 45
Removing the heat-sink.............................................................................................................................................45
Installing the heat-sink............................................................................................................................................... 46
Replacing the chassis....................................................................................................................................................... 48
Chapter 3: Software.................................................................................................................... 49
Downloading Windows drivers....................................................................................................................................... 49
Chapter 4: System setup.............................................................................................................50
BIOS overview................................................................................................................................................................... 50
Entering BIOS setup program........................................................................................................................................ 50
Boot menu.....................................................................................................................................................................50
Navigation keys.................................................................................................................................................................. 51
Boot Sequence................................................................................................................................................................... 51
System setup options....................................................................................................................................................... 51
Updating the BIOS in Windows .................................................................................................................................... 60
Updating BIOS on systems with BitLocker enabled........................................................................................... 60
Updating your system BIOS using a USB flash drive.......................................................................................... 61
System and setup password........................................................................................................................................... 61
Assigning a system setup password....................................................................................................................... 62
Deleting or changing an existing system setup password.................................................................................62
Clearing BIOS (System Setup) and System passwords.......................................................................................... 63
Chapter 5: Troubleshooting.........................................................................................................64
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................64
Running the SupportAssist Pre-Boot System Performance Check................................................................64
WiFi power cycle............................................................................................................................................................... 65
Diagnostic LED...................................................................................................................................................................65
Chapter 6: Getting help............................................................................................................... 67
Contacting Dell...................................................................................................................................................................67
4 Contents