Dell Inspiron 16 Plus 7620 Inspiron 16 Plus 7620 Service Manual - NVIDIA GeFor - Page 4

Installing the display assembly...40 I/O board...41 Removing the I/O board...41 Installing the I/O board...42 Speakers...44 Removing the speakers (woofers)...44 Installing the speakers (woofers)...45 Removing the speakers (tweeters)...47 Installing the speakers (tweeters)...47 Power-button board...48 Removing the power-button board...48 Installing the power-button board...49 Power button with optional fingerprint reader...50 Removing the power button with optional fingerprint reader 50 Installing the power button with optional fingerprint reader 52 System board...53 Removing the system board...53 Installing the system board...55 Palm-rest and keyboard assembly...57 Removing the palm-rest and keyboard assembly 57 Installing the palm-rest and keyboard assembly 58 Chapter 4: Drivers and downloads 60 Chapter 5: System setup...61 Entering BIOS setup program...61 Navigation keys...61 Boot Sequence...62 System setup options...62 System and setup password...66 Assigning a system setup password...66 Deleting or changing an existing system setup password 67 Clearing CMOS settings...67 Clearing BIOS (System Setup) and System passwords 68 Updating the BIOS...68 Updating the BIOS in Windows...68 Updating the BIOS using the USB drive in Windows 68 Updating the BIOS from the F12 One-Time boot menu 68 Chapter 6: Troubleshooting...70 Handling swollen Lithium-ion batteries...70 Locate the Service Tag or Express Service Code of your Dell computer 70 System-diagnostic lights...71 SupportAssist | On-board Diagnostics...72 Recovering the operating system...72 WiFi power cycle...72 Chapter 7: Getting help and contacting Dell 74 4 Contents