Dell XPS 15 Service Manual page 5

Post-requisites..................................................................................................................................................................48
25 Removing the system board.......................................................................................................................49
Prerequisites..................................................................................................................................................................... 49
Procedure..........................................................................................................................................................................49
26 Replacing the system board....................................................................................................................... 51
Procedure.......................................................................................................................................................................... 51
Post-requisites..................................................................................................................................................................52
Entering the Service Tag in the BIOS setup program................................................................................................. 52
27 Removing the palm-rest and keyboard assembly........................................................................................53
Prerequisites..................................................................................................................................................................... 53
Procedure..........................................................................................................................................................................53
28 Replacing the palm-rest and keyboard assembly........................................................................................55
Procedure......................................................................................................................................................................... 55
Post-requisites................................................................................................................................................................. 55
29 Downloading drivers...................................................................................................................................57
Downloading the audio driver......................................................................................................................................... 57
Downloading the graphics driver....................................................................................................................................57
Downloading the USB 3.0 driver.................................................................................................................................... 57
Downloading the Wi-Fi driver.........................................................................................................................................58
Downloading the media-card reader driver.................................................................................................................. 58
Downloading the chipset driver..................................................................................................................................... 58
Downloading the network driver....................................................................................................................................58
30 System setup.............................................................................................................................................60
Boot Sequence.................................................................................................................................................................60
Navigation keys................................................................................................................................................................ 60
BIOS overview.................................................................................................................................................................. 61
Entering BIOS setup program......................................................................................................................................... 61
Enabling or disabling the USB in BIOS setup program...........................................................................................61
Identifying the storage drive in BIOS setup program............................................................................................. 61
Checking the system memory in BIOS setup program.......................................................................................... 61
System setup options......................................................................................................................................................62
31 System and setup password....................................................................................................................... 67
Assigning a system password and setup password..................................................................................................... 67
Deleting or changing an existing system and or setup password.............................................................................. 67
Clearing CMOS settings................................................................................................................................................. 68
Clearing forgotten passwords........................................................................................................................................ 68
32 Troubleshooting......................................................................................................................................... 69
Flashing the BIOS............................................................................................................................................................ 69
Flashing BIOS (USB key)................................................................................................................................................ 69
Fixing a no-boot issue caused by USB-boot support..................................................................................................69
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