Dell XPS 13 9340 Owners Manual - Page 5

BIOS Setup, Troubleshooting, Getting help and contacting Dell

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Chapter 8: BIOS Setup...77 Entering BIOS setup program...77 Navigation keys...77 F12 One Time Boot menu...77 System setup options...78 Updating the BIOS...92 Updating the BIOS in Windows...92 Updating the BIOS using the USB drive in Windows 92 Updating the BIOS in Linux and Ubuntu...93 Updating the BIOS from the F12 One Time Boot menu 93 System and setup password...94 Assigning a System Setup password...94 Deleting or changing an existing system setup password 94 Clearing BIOS (System Setup) and System passwords 95 Chapter 9: Troubleshooting...96 Handling swollen rechargeable Li-ion batteries...96 Locate the Service Tag or Express Service Code of your Dell computer 96 Dell SupportAssist Pre-boot System Performance Check diagnostics 97 Running the SupportAssist Pre-Boot System Performance Check 97 Built-in self-test (BIST)...97 M-BIST...97 LCD Power rail test (L-BIST)...98 LCD Built-in Self-Test (BIST)...98 Diagnostic error codes...99 Recovering the operating system...99 Real Time Clock-RTC reset...99 Backup media and recovery options...100 Wi-Fi power cycle...100 Drain residual flea power (perform hard reset)...100 Chapter 10: Getting help and contacting Dell 102 Contents 5

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Chapter 8: BIOS Setup
................................................................................................................
77
Entering BIOS setup program
.........................................................................................................................................
77
Navigation keys
..................................................................................................................................................................
77
F12 One Time Boot menu
.................................................................................................................................................
77
System setup options
.......................................................................................................................................................
78
Updating the BIOS
............................................................................................................................................................
92
Updating the BIOS in Windows
................................................................................................................................
92
Updating the BIOS using the USB drive in Windows
..........................................................................................
92
Updating the BIOS in Linux and Ubuntu
................................................................................................................
93
Updating the BIOS from the F12 One Time Boot menu
.....................................................................................
93
System and setup password
...........................................................................................................................................
94
Assigning a System Setup password
......................................................................................................................
94
Deleting or changing an existing system setup password
.................................................................................
94
Clearing BIOS (System Setup) and System passwords
..........................................................................................
95
Chapter 9: Troubleshooting
.........................................................................................................
96
Handling swollen rechargeable Li-ion batteries
.........................................................................................................
96
Locate the Service Tag or Express Service Code of your Dell computer
..........................................................
96
Dell SupportAssist Pre-boot System Performance Check diagnostics
................................................................
97
Running the SupportAssist Pre-Boot System Performance Check
................................................................
97
Built-in self-test (BIST)
...................................................................................................................................................
97
M-BIST
...........................................................................................................................................................................
97
LCD Power rail test (L-BIST)
...................................................................................................................................
98
LCD Built-in Self-Test (BIST)
...................................................................................................................................
98
Diagnostic error codes
.....................................................................................................................................................
99
Recovering the operating system
.................................................................................................................................
99
Real Time Clock—RTC reset
.........................................................................................................................................
99
Backup media and recovery options
...........................................................................................................................
100
Wi-Fi power cycle
............................................................................................................................................................
100
Drain residual flea power (perform hard reset)
.......................................................................................................
100
Chapter 10: Getting help and contacting Dell
.............................................................................
102
Contents
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