Dell Inspiron 14 Plus 7440 - Page 5

Installing the USB board............................................................................................................................................ 73
Power button......................................................................................................................................................................75
Removing the power button..................................................................................................................................... 75
Installing the power button....................................................................................................................................... 77
Touchpad.............................................................................................................................................................................80
Removing the touchpad.............................................................................................................................................80
Installing the touchpad................................................................................................................................................81
I/O-board and USB-board cable....................................................................................................................................83
Removing the I/O-board and USB-board cable...................................................................................................83
Installing the I/O-board and USB-board cable.....................................................................................................84
Palm-rest and keyboard assembly................................................................................................................................ 85
Removing the palm-rest and keyboard assembly................................................................................................85
Installing the palm-rest and keyboard assembly.................................................................................................. 86
Chapter 7: Software.................................................................................................................... 88
Operating system.............................................................................................................................................................. 88
Drivers and downloads.....................................................................................................................................................88
Chapter 8: BIOS Setup................................................................................................................ 89
Entering BIOS setup program........................................................................................................................................ 89
Navigation keys..................................................................................................................................................................89
F12 One Time Boot menu................................................................................................................................................ 89
System setup options.......................................................................................................................................................90
Updating the BIOS............................................................................................................................................................99
Updating the BIOS in Windows................................................................................................................................99
Updating the BIOS using the USB drive in Windows........................................................................................100
Updating the BIOS from the F12 One Time Boot menu................................................................................... 100
System and setup password..........................................................................................................................................101
Assigning a System Setup password..................................................................................................................... 101
Deleting or changing an existing system setup password................................................................................101
Clearing CMOS settings.................................................................................................................................................102
Clearing BIOS (System Setup) and System passwords.........................................................................................102
Chapter 9: Troubleshooting....................................................................................................... 103
Handling swollen rechargeable Li-ion batteries........................................................................................................103
Locate the Service Tag or Express Service Code of your Dell computer ........................................................ 103
Dell SupportAssist Pre-boot System Performance Check diagnostics..............................................................104
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 104
Built-in self-test (BIST)..................................................................................................................................................104
M-BIST......................................................................................................................................................................... 104
LCD Power rail test (L-BIST)................................................................................................................................. 105
LCD Built-in Self-Test (BIST).................................................................................................................................105
System-diagnostic lights................................................................................................................................................106
Recovering the operating system................................................................................................................................107
Real-Time Clock (RTC Reset)...................................................................................................................................... 107
Backup media and recovery options........................................................................................................................... 107
Wi-Fi power cycle............................................................................................................................................................ 107
Drain residual flea power (perform hard reset)........................................................................................................108
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