Dell Vostro 5620 Service Manual - Page 4

Installing the display assembly...38 I/O board...39 Removing the I/O board...39 Installing the I/O board...41 Touchpad...42 Removing the touchpad...42 Installing the touchpad...43 Speakers...44 Removing the speakers...44 Installing the speakers...45 System board...47 Removing the system board...47 Installing the system board...49 Power button with optional fingerprint reader...51 Removing the power button with optional fingerprint reader 51 Installing the power button with optional fingerprint reader 52 Power-adapter port...53 Removing the power-adapter port...53 Installing the power-adapter port...53 Palm-rest and keyboard assembly...54 Removing the palm-rest and keyboard assembly 54 Installing the palm-rest and keyboard assembly 55 Chapter 3: Drivers and downloads 57 Chapter 4: BIOS setup...58 BIOS overview...58 Entering BIOS setup program...58 Navigation keys...58 One time boot menu...59 System setup options...59 System and setup password...64 Assigning a system setup password...64 Deleting or changing an existing system setup password 65 Clearing CMOS settings...65 Clearing BIOS (System Setup) and System passwords 65 Updating the BIOS...66 Updating the BIOS in Windows...66 Updating the BIOS in Linux and Ubuntu...66 Updating the BIOS using the USB drive in Windows 66 Updating the BIOS from the F12 One-Time boot menu 67 Chapter 5: Troubleshooting...68 Handling swollen Lithium-ion batteries...68 Locate the Service Tag or Express Service Code of your Dell computer 68 System-diagnostic lights...69 SupportAssist diagnostics...70 Built-in self-test (BIST)...70 M-BIST...70 4 Contents