M-BIST.......................................................................................................................................................................... 114
LCD Power rail test (L-BIST).................................................................................................................................. 115
LCD Built-in Self Test (BIST).................................................................................................................................. 115
System-diagnostic lights................................................................................................................................................ 115
Recovering the operating system.................................................................................................................................117
Real-Time Clock (RTC Reset)....................................................................................................................................... 117
Backup media and recovery options............................................................................................................................ 117
WiFi power cycle...............................................................................................................................................................118
Drain residual flea power (perform hard reset)........................................................................................................ 118
6
Contents
Summary of Contents for Inspiron 3420
Page 13: ...Major components of your system 1 Base cover Removing and installing components 13 ...
Page 55: ...Removing and installing components 55 ...
Page 56: ...56 Removing and installing components ...
Page 58: ...58 Removing and installing components ...
Page 78: ...78 Removing and installing components ...