Dell Precision 3470 Service Manual page 5

Dummy SIM-card slot filler............................................................................................................................................. 90
Removing the dummy SIM-card slot filler.............................................................................................................90
Installing the dummy SIM-card slot filler............................................................................................................... 92
Palm-rest assembly...........................................................................................................................................................95
Removing the palm-rest assembly.......................................................................................................................... 95
Installing the palm-rest assembly............................................................................................................................ 96
Chapter 3: Drivers and downloads............................................................................................... 99
Chapter 4: BIOS setup............................................................................................................... 100
Entering BIOS setup program.......................................................................................................................................100
Navigation keys................................................................................................................................................................100
One time boot menu....................................................................................................................................................... 100
System setup options......................................................................................................................................................101
Updating the BIOS........................................................................................................................................................... 110
Updating the BIOS in Windows............................................................................................................................... 110
Updating the BIOS in Linux and Ubuntu................................................................................................................ 111
Updating the BIOS using the USB drive in Windows..........................................................................................111
Updating the BIOS from the F12 One-Time boot menu.....................................................................................111
System and setup password..........................................................................................................................................112
Assigning a system setup password...................................................................................................................... 113
Deleting or changing an existing system setup password................................................................................ 113
Clearing CMOS settings................................................................................................................................................. 113
Clearing BIOS (System Setup) and System passwords..........................................................................................114
Chapter 5: Troubleshooting........................................................................................................ 115
Handling swollen Lithium-ion batteries....................................................................................................................... 115
Dell SupportAssist Pre-boot System Performance Check diagnostics...............................................................115
Running the SupportAssist Pre-Boot System Performance Check............................................................... 116
Built-in self-test (BIST).................................................................................................................................................. 116
M-BIST.......................................................................................................................................................................... 116
LCD Power rail test (L-BIST).................................................................................................................................. 117
LCD Built-in Self Test (BIST)...................................................................................................................................117
System-diagnostic lights.................................................................................................................................................117
Recovering the operating system.................................................................................................................................119
Real-Time Clock (RTC Reset).......................................................................................................................................119
Auto RTC reset................................................................................................................................................................. 119
Backup media and recovery options........................................................................................................................... 120
WiFi power cycle..............................................................................................................................................................120
Drain residual flea power (perform hard reset)........................................................................................................120
Chapter 6: Getting help and contacting Dell............................................................................... 121
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