Dell XPS 15 9570 XPS 15 Service Manual - Page 7

Clearing BIOS System Setup and System passwords, Enhanced Pre-Boot System Assessment ePSA diagnostics

Page 7 highlights

Downloading the graphics driver...76 Downloading the chipset driver...77 Downloading the USB driver...78 Downloading the chipset driver...78 Downloading the network driver...79 Downloading the fingerprint reader driver...80 48 System setup...81 Boot Sequence...81 Navigation keys...81 System setup...81 Entering BIOS setup program...82 Enabling or disabling the USB in BIOS setup program 82 Identifying the hard drive in BIOS setup program 82 Checking the system memory in BIOS setup program 82 System setup options...82 49 System and setup password...88 Assigning a system setup password...88 Deleting or changing an existing system setup password 88 Clearing BIOS (System Setup) and System passwords 89 Clearing CMOS settings...89 Real Time Clock (RTC) battery reset...89 Flashing BIOS (USB key)...89 50 Troubleshooting...90 Flashing the BIOS...90 Reinstall Windows using a USB recovery drive...90 Fixing a no-boot issue caused by USB-boot support 90 Enhanced Pre-Boot System Assessment (ePSA) diagnostics 91 Running the ePSA Diagnostics...91 Diagnostics...92 Flea power release...93 Wi-Fi power cycle...93 51 Getting help and contacting Dell...94 Self-help resources...94 Contacting Dell...94 Contents 7

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Downloading the graphics driver
....................................................................................................................................
76
Downloading the chipset driver
......................................................................................................................................
77
Downloading the USB driver
..........................................................................................................................................
78
Downloading the chipset driver
......................................................................................................................................
78
Downloading the network driver
....................................................................................................................................
79
Downloading the
fingerprint
reader driver
....................................................................................................................
80
48 System setup
.............................................................................................................................................
81
Boot Sequence
..................................................................................................................................................................
81
Navigation keys
.................................................................................................................................................................
81
System setup
.....................................................................................................................................................................
81
Entering BIOS setup program
.........................................................................................................................................
82
Enabling or disabling the USB in BIOS setup program
..........................................................................................
82
Identifying the hard drive in BIOS setup program
..................................................................................................
82
Checking the system memory in BIOS setup program
.........................................................................................
82
System setup options
......................................................................................................................................................
82
49 System and setup password
......................................................................................................................
88
Assigning a system setup password
..............................................................................................................................
88
Deleting or changing an existing system setup password
..........................................................................................
88
Clearing BIOS (System Setup) and System passwords
..............................................................................................
89
Clearing CMOS settings
.................................................................................................................................................
89
Real Time Clock (RTC) battery reset
............................................................................................................................
89
Flashing BIOS (USB key)
................................................................................................................................................
89
50 Troubleshooting
.........................................................................................................................................
90
Flashing the BIOS
............................................................................................................................................................
90
Reinstall Windows using a USB recovery drive
............................................................................................................
90
Fixing a no-boot issue caused by USB-boot support
..................................................................................................
90
Enhanced Pre-Boot System Assessment (ePSA) diagnostics
....................................................................................
91
Running the ePSA Diagnostics
.................................................................................................................................
91
Diagnostics
........................................................................................................................................................................
92
Flea power release
...........................................................................................................................................................
93
Wi-Fi power cycle
............................................................................................................................................................
93
51 Getting help and contacting Dell
................................................................................................................
94
Self-help resources
..........................................................................................................................................................
94
Contacting Dell
.................................................................................................................................................................
94
Contents
7