Dell Latitude 7230 Rugged Extreme Tablet Service Manual - Page 5

Drivers and downloads, BIOS setup, Troubleshooting

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Display assembly...76 Removing the display-panel assembly...76 Installing the display-panel assembly...77 Chapter 3: Drivers and downloads 79 Chapter 4: BIOS setup...80 Entering BIOS setup program...80 Navigation keys...80 One time boot menu...80 System setup options...81 Updating the BIOS...93 Updating the BIOS in Windows...93 Updating the BIOS using the USB drive in Windows 93 Updating the BIOS from the F12 One-Time boot menu 94 System and setup password...95 Assigning a system setup password...95 Deleting or changing an existing system setup password 95 Clearing CMOS settings...96 Clearing BIOS (System Setup) and System passwords 96 Chapter 5: Troubleshooting...97 Handling swollen Lithium-ion batteries...97 Dell SupportAssist Pre-boot System Performance Check diagnostics 97 Running the SupportAssist Pre-Boot System Performance Check 98 Built-in self-test (BIST)...98 M-BIST...98 LCD Power rail test (L-BIST)...99 LCD Built-in Self Test (BIST)...99 System-diagnostic lights...99 Real-Time Clock (RTC Reset)...101 Recovering the operating system...101 Backup media and recovery options...102 WiFi power cycle...102 Drain residual flea power (perform hard reset)...102 Chapter 6: Getting help and contacting Dell 104 Contents 5

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Display assembly
................................................................................................................................................................
76
Removing the display-panel assembly
....................................................................................................................
76
Installing the display-panel assembly
......................................................................................................................
77
Chapter 3: Drivers and downloads
...............................................................................................
79
Chapter 4: BIOS setup
.................................................................................................................
80
Entering BIOS setup program
........................................................................................................................................
80
Navigation keys
..................................................................................................................................................................
80
One time boot menu
.........................................................................................................................................................
80
System setup options
.......................................................................................................................................................
81
Updating the BIOS
............................................................................................................................................................
93
Updating the BIOS in Windows
................................................................................................................................
93
Updating the BIOS using the USB drive in Windows
..........................................................................................
93
Updating the BIOS from the F12 One-Time boot menu
.....................................................................................
94
System and setup password
..........................................................................................................................................
95
Assigning a system setup password
.......................................................................................................................
95
Deleting or changing an existing system setup password
.................................................................................
95
Clearing CMOS settings
..................................................................................................................................................
96
Clearing BIOS (System Setup) and System passwords
..........................................................................................
96
Chapter 5: Troubleshooting
.........................................................................................................
97
Handling swollen Lithium-ion batteries
........................................................................................................................
97
Dell SupportAssist Pre-boot System Performance Check diagnostics
................................................................
97
Running the SupportAssist Pre-Boot System Performance Check
................................................................
98
Built-in self-test (BIST)
...................................................................................................................................................
98
M-BIST
...........................................................................................................................................................................
98
LCD Power rail test (L-BIST)
...................................................................................................................................
99
LCD Built-in Self Test (BIST)
...................................................................................................................................
99
System-diagnostic lights
.................................................................................................................................................
99
Real-Time Clock (RTC Reset)
.......................................................................................................................................
101
Recovering the operating system
................................................................................................................................
101
Backup media and recovery options
...........................................................................................................................
102
WiFi power cycle
..............................................................................................................................................................
102
Drain residual flea power (perform hard reset)
........................................................................................................
102
Chapter 6: Getting help and contacting Dell
...............................................................................
104
Contents
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