Dell D15U001 Service Manual page 4

Removing the speaker................................................................................................................................................ 37
Installing the speaker.................................................................................................................................................. 37
Processor............................................................................................................................................................................ 38
Removing the processor............................................................................................................................................38
Installing the processor.............................................................................................................................................. 39
Internal Antenna................................................................................................................................................................. 41
Removing internal antenna (Location 1).................................................................................................................41
Installing internal antenna (Location 1)................................................................................................................... 41
Removing internal antenna (Location 3)............................................................................................................... 42
Installing internal antenna (Location 3)..................................................................................................................43
Removing SMA antenna (Location 3).................................................................................................................... 44
Installing SMA antenna (Location 3)...................................................................................................................... 45
System board..................................................................................................................................................................... 46
Removing the system board..................................................................................................................................... 46
Installing the system board....................................................................................................................................... 50
Chapter 3: Drivers and downloads............................................................................................... 53
Chapter 4: BIOS setup.................................................................................................................54
Entering BIOS setup program........................................................................................................................................ 54
Navigation keys..................................................................................................................................................................54
One time boot menu......................................................................................................................................................... 54
System setup options.......................................................................................................................................................55
Updating the BIOS............................................................................................................................................................ 64
Updating the BIOS in Windows................................................................................................................................64
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.................................................................................... 65
System and setup password.......................................................................................................................................... 65
Assigning a system setup password....................................................................................................................... 66
Deleting or changing an existing system setup password.................................................................................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
Power-Supply Unit Built-in Self-Test ..........................................................................................................................68
System-diagnostic lights................................................................................................................................................. 69
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
4 Contents