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