User Manual
Table Of Contents
- OptiPlex 5400 Service Manual
- Contents
- Working inside your computer
- Removing and installing components
- Recommended tools
- Screw list
- Major components of OptiPlex 5400 All-in-One
- Stand
- Cable cover—optional
- Back cover
- Hard drive
- Memory modules
- System-board shield
- Solid-state drive
- Removing the M.2 2230 solid-state drive-slot 1
- Installing the M.2 2230 solid-state drive-slot 1
- Removing the M.2 2280 solid-state drive-slot 1
- Installing the M.2 2280 solid-state drive-slot 1
- Removing the M.2 2230 solid-state drive-slot 2
- Installing the M.2 2230 solid-state drive-slot 2
- Removing the M.2 2280 solid-state drive-slot 2
- Installing the M.2 2280 solid-state drive-slot 2
- System fan
- Coin-cell battery
- Wireless card
- Camera assembly
- Bottom cover
- Power-supply unit
- Power-supply fan
- Heat sink
- Processor
- Rear-I/O bracket
- System board
- Speakers
- Power-button board
- Microphones
- Side I/O-board
- Audio board
- Antenna modules
- Display panel
- Middle frame
- Drivers and downloads
- BIOS setup
- Troubleshooting
- Getting help and contacting Dell
Installing the audio board...........................................................................................................................................80
Antenna modules................................................................................................................................................................81
Removing the antenna modules............................................................................................................................... 81
Installing the antenna modules.................................................................................................................................82
Display panel.......................................................................................................................................................................83
Removing the display panel.......................................................................................................................................83
Installing the display panel.........................................................................................................................................85
Middle frame.......................................................................................................................................................................87
Removing the middle frame...................................................................................................................................... 87
Installing the middle frame........................................................................................................................................ 88
Chapter 3: Drivers and downloads............................................................................................... 90
Chapter 4: BIOS setup................................................................................................................. 91
Entering BIOS setup program......................................................................................................................................... 91
Navigation keys.................................................................................................................................................................. 91
One time boot menu..........................................................................................................................................................91
System setup options.......................................................................................................................................................92
Updating the BIOS.......................................................................................................................................................... 100
Updating the BIOS in Windows.............................................................................................................................. 100
Updating the BIOS in Linux and Ubuntu.............................................................................................................. 100
Updating the BIOS using the USB drive in Windows.........................................................................................101
Updating the BIOS from the F12 One-Time boot menu....................................................................................101
System and setup password......................................................................................................................................... 102
Assigning a system setup password......................................................................................................................102
Deleting or changing an existing system setup password............................................................................... 103
Clearing CMOS settings.................................................................................................................................................103
Clearing BIOS (System Setup) and System passwords.........................................................................................103
Chapter 5: Troubleshooting....................................................................................................... 104
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 104
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 104
Display built-in self test..................................................................................................................................................104
Power-Supply Unit Built-in Self-Test ........................................................................................................................105
System-diagnostic lights................................................................................................................................................105
Recovering the operating system................................................................................................................................106
Real Time Clock—RTC reset........................................................................................................................................107
Backup media and recovery options........................................................................................................................... 107
WiFi power cycle..............................................................................................................................................................107
Chapter 6: Getting help and contacting Dell...............................................................................108
Contents
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