Dell Inspiron 16 5645 - Page 5

Removing the I/O board ...........................................................................................................................................70
Installing the I/O board ..............................................................................................................................................71
Power button......................................................................................................................................................................73
Removing the power button ....................................................................................................................................73
Installing the power button ...................................................................................................................................... 74
Power button with optional fingerprint reader.......................................................................................................... 75
Removing the power button with optional fingerprint reader .........................................................................75
Installing the power button with optional fingerprint reader ...........................................................................76
Power-adapter port.......................................................................................................................................................... 77
Removing the power-adapter port .........................................................................................................................77
Installing the power-adapter port ...........................................................................................................................78
System board..................................................................................................................................................................... 79
Removing the system board .................................................................................................................................... 79
Installing the system board ...................................................................................................................................... 83
Palm-rest and keyboard assembly................................................................................................................................ 86
Removing the palm-rest and keyboard assembly ...............................................................................................86
Installing the palm-rest and keyboard assembly ................................................................................................. 88
Chapter 7: Software.................................................................................................................... 90
Operating system..............................................................................................................................................................90
Drivers and downloads.....................................................................................................................................................90
Chapter 8: BIOS Setup.................................................................................................................91
Entering BIOS setup program.........................................................................................................................................91
Navigation keys.................................................................................................................................................................. 91
F12 One Time Boot menu.................................................................................................................................................91
System setup options.......................................................................................................................................................92
Updating the BIOS............................................................................................................................................................ 97
Updating the BIOS in Windows................................................................................................................................97
Updating the BIOS using the USB drive in Windows..........................................................................................97
Updating the BIOS from the F12 One Time Boot menu.....................................................................................97
System and setup password...........................................................................................................................................98
Assigning a System Setup password......................................................................................................................98
Deleting or changing an existing system setup password.................................................................................99
Clearing BIOS (System Setup) and System passwords.......................................................................................... 99
Chapter 9: Troubleshooting....................................................................................................... 100
Handling swollen rechargeable Li-ion batteries........................................................................................................100
Locate the Service Tag or Express Service Code of your Dell computer ........................................................ 100
Dell SupportAssist Pre-boot System Performance Check diagnostics...............................................................101
Running the SupportAssist Pre-Boot System Performance Check...............................................................101
Built-in self-test (BIST).................................................................................................................................................. 101
M-BIST..........................................................................................................................................................................101
LCD Power rail test (L-BIST)................................................................................................................................. 102
LCD Built-in Self-Test (BIST).................................................................................................................................102
System-diagnostic lights................................................................................................................................................103
Recovering the operating system................................................................................................................................104
Real-Time Clock (RTC Reset)......................................................................................................................................105
Backup media and recovery options........................................................................................................................... 105
Contents
5