Service Manual

Antenna Assembly..............................................................................................................................................................31
Removing the antenna (Location 1).........................................................................................................................31
Installing the antenna (Location 1)..........................................................................................................................32
Removing the antenna (Location 3)....................................................................................................................... 33
Installing the antenna (Location 3)......................................................................................................................... 34
SMA Antenna Assembly...................................................................................................................................................35
Removing the SMA antenna assembly (Location 3)...........................................................................................35
Installing the SMA antenna assembly (Location 3).............................................................................................36
System board......................................................................................................................................................................37
Removing the system board..................................................................................................................................... 37
Installing the system board....................................................................................................................................... 40
Chapter 3: Drivers and downloads............................................................................................... 44
Chapter 4: BIOS setup.................................................................................................................45
Entering BIOS setup program........................................................................................................................................ 45
Navigation keys..................................................................................................................................................................45
One time boot menu.........................................................................................................................................................45
System setup options.......................................................................................................................................................46
Updating the BIOS............................................................................................................................................................ 53
Updating the BIOS in Windows................................................................................................................................53
Updating the BIOS in Linux and Ubuntu................................................................................................................ 54
Updating the BIOS using the USB drive in Windows..........................................................................................54
Updating the BIOS from the F12 One-Time boot menu.....................................................................................54
System and setup password.......................................................................................................................................... 55
Assigning a system setup password....................................................................................................................... 55
Deleting or changing an existing system setup password.................................................................................56
Clearing CMOS settings.................................................................................................................................................. 56
Clearing BIOS (System Setup) and System passwords...........................................................................................57
Chapter 5: Troubleshooting.........................................................................................................58
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................58
Running the SupportAssist Pre-Boot System Performance Check................................................................58
Power-Supply Unit Built-in Self-Test ..........................................................................................................................58
System-diagnostic lights................................................................................................................................................. 59
Recovering the operating system................................................................................................................................. 60
Real Time Clock—RTC reset......................................................................................................................................... 60
Backup media and recovery options..............................................................................................................................61
WiFi power cycle................................................................................................................................................................ 61
Chapter 6: Getting help and contacting Dell................................................................................ 62
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Contents