BIOS overview................................................................................................................................................................... 86
Entering BIOS setup program........................................................................................................................................ 86
Navigation keys..................................................................................................................................................................86
One time boot menu......................................................................................................................................................... 87
System setup options.......................................................................................................................................................87
Updating the BIOS.............................................................................................................................................................91
Updating the BIOS in Windows.................................................................................................................................91
Updating the BIOS using the USB drive in Windows.......................................................................................... 91
Updating the BIOS from the F12 One-Time boot menu.....................................................................................92
M-BIST...........................................................................................................................................................................96
LCD Power rail test (L-BIST)................................................................................................................................... 97
LCD Built-in Self Test (BIST)................................................................................................................................... 97
System-diagnostic lights................................................................................................................................................. 97
Recovering the operating system................................................................................................................................. 98
Real-Time Clock (RTC Reset)........................................................................................................................................99
Backup media and recovery options.............................................................................................................................99
WiFi power cycle............................................................................................................................................................... 99
Drain residual flea power (perform hard reset)......................................................................................................... 99
Contents
5
Содержание Inspiron 15 3521
Страница 1: ...Inspiron 15 3521 Service Manual Regulatory Model P112F Regulatory Type P112F004 February 2022 Rev A00 ...
Страница 15: ...Removing and installing components 15 ...
Страница 45: ...Removing and installing components 45 ...
Страница 46: ...Steps 1 Place the palm rest and keyboard assembly on a flat surface 46 Removing and installing components ...
Страница 55: ...Removing and installing components 55 ...
Страница 57: ...Removing and installing components 57 ...