Dell Inspiron 16 Plus 7640 Owners Manual - Page 5

Installing the power-adapter port...70 Heat sink...71 Removing the heat sink...71 Installing the heat sink ...71 System board...72 Removing the system board...72 Installing the system board...75 Touchpad...79 Removing the touchpad...79 Installing the touchpad...80 Palm-rest and keyboard assembly...82 Removing the palm-rest and keyboard assembly 82 Installing the palm-rest and keyboard assembly 83 Chapter 7: Software...85 Operating system...85 Drivers and downloads...85 Chapter 8: BIOS Setup...86 Entering BIOS setup program...86 Navigation keys...86 F12 One Time Boot menu...86 System setup options...87 Updating the BIOS...96 Updating the BIOS in Windows...96 Updating the BIOS using the USB drive in Windows 96 Updating the BIOS from the F12 One Time Boot menu 97 System and setup password...97 Assigning a System Setup password...98 Deleting or changing an existing system setup password 98 Clearing CMOS settings...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)...104 Backup media and recovery options...104 Wi-Fi power cycle...104 Drain residual flea power (perform hard reset)...105 Contents 5