Dell Vostro 5320 Service Manual - Page 4

I/O board...40 Removing the I/O board...40 Installing the I/O board...41 Heat sink...42 Removing the heat sink ...42 Installing the heat sink ...43 Power button...43 Removing the power button...43 Installing the power button...44 Power button with fingerprint reader...45 Removing the power-button with fingerprint reader 45 Installing the power-button with fingerprint reader 46 System board...47 Removing the system board...47 Installing the system board...50 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 56 Chapter 4: System setup...57 Entering BIOS setup program...57 Navigation keys...57 One time boot menu...57 System setup options...58 System and setup password...68 Assigning a system setup password...68 Deleting or changing an existing system setup password 68 Clearing CMOS settings...69 Clearing BIOS (System Setup) and System passwords 69 Updating the BIOS...69 Updating the BIOS in Windows...69 Updating the BIOS using the USB drive in Windows 70 Updating the BIOS from the F12 One-Time boot menu 70 Chapter 5: Troubleshooting...72 Handling swollen Lithium-ion batteries...72 Locate the Service Tag or Express Service Code of your Dell computer 72 System-diagnostic lights...73 SupportAssist diagnostics...74 Built-in self-test (BIST)...74 M-BIST...74 LCD Built-in Self Test (BIST)...74 Recovering the operating system...75 WiFi power cycle...75 Drain residual flea power (perform hard reset)...76 Chapter 6: Getting help and contacting Dell 77 4 Contents