Dell Inspiron 7400, Руководство по обслуживанию, Страница: 5 / 112

System setup options....................................................................................................................................................... 91
General options.............................................................................................................................................................91
System configuration..................................................................................................................................................93
Video screen options.................................................................................................................................................. 95
Security..........................................................................................................................................................................96
Secure boot.................................................................................................................................................................. 98
Intel Software Guard Extensions options.............................................................................................................. 98
Performance................................................................................................................................................................. 99
Power management....................................................................................................................................................99
Post behavior..............................................................................................................................................................100
Manageability...............................................................................................................................................................101
Virtualization support................................................................................................................................................102
Wireless options......................................................................................................................................................... 102
Maintenance................................................................................................................................................................102
System logs................................................................................................................................................................. 103
Updating the BIOS.......................................................................................................................................................... 103
Updating the BIOS in Windows.............................................................................................................................. 103
Updating the BIOS in Linux and Ubuntu.............................................................................................................. 104
Updating the BIOS using the USB drive in Windows........................................................................................ 104
Updating the BIOS from the F12 One-Time boot menu................................................................................... 104
System and setup password.........................................................................................................................................105
Assigning a system setup password..................................................................................................................... 105
Deleting or changing an existing system setup password............................................................................... 105
Clearing CMOS settings................................................................................................................................................ 106
Clearing BIOS (System Setup) and System passwords.........................................................................................106
Chapter 6: Troubleshooting....................................................................................................... 107
Handling swollen Lithium-ion batteries.......................................................................................................................107
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 108
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 108
Built-in self-test (BIST)..................................................................................................................................................108
M-BIST......................................................................................................................................................................... 108
LCD Power rail test (L-BIST)................................................................................................................................. 109
LCD Built-in Self Test (BIST)................................................................................................................................. 109
System-diagnostic lights................................................................................................................................................ 110
Recovering the operating system................................................................................................................................ 110
Backup media and recovery options.............................................................................................................................111
WiFi power cycle............................................................................................................................................................... 111
Drain residual flea power (perform hard reset)......................................................................................................... 111
Chapter 7: Getting help.............................................................................................................. 112
Contacting Dell..................................................................................................................................................................112
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