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Manuals
OptiPlex XE3 Tower Service Manual
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Notes, cautions, and warnings
Working on your computer
Safety instructions
Before working inside your computer
Safety precautions
Electrostatic discharge—ESD protection
ESD field service kit
Transporting sensitive components
After working inside your computer
Turning off your computer — Windows 10
Before working inside your computer
After working inside your computer
Major components of your system
Disassembly and reassembly
Side cover
Removing side cover
Installing side cover
Bezel
Removing front bezel
Installing front bezel
Front panel door
Opening the front panel door
Closing front panel door
3.5-inch hard drive assembly
Removing 3.5–inch hard drive assembly
Installing 3.5–inch hard drive assembly
3.5-inch hard drive
Removing 3.5–inch hard drive from the hard drive bracket
Installing the 3.5–inch hard drive into the hard drive bracket
2.5-inch hard drive assembly
Removing the 2.5–inch drive assembly
Installing the 2.5-inch drive assembly
2.5-inch hard drive
Removing the 2.5–inch drive from the drive bracket
Installing the 2.5–inch hard drive into the drive bracket
Optical drive
Removing optical drive
Installing optical drive
M.2 PCIe SSD
Removing M.2 PCle SSD - optional
Installing M.2 PCle SSD
SD card reader
Removing SD card reader
Installing SD card reader
Memory module
Removing memory module
Installing memory module
Expansion card
Removing PCIe expansion card - optional
Installing PCIe expansion card
Power supply unit
Removing power supply unit or PSU
Installing power supply unit or PSU
Intrusion switch
Removing intrusion switch
Installing intrusion switch
Speaker
Removing speaker
Installing speaker
Power button
Removing power button
Installing power button
Heat sink fan
Removing heat sink fan
Installing heatsink fan
Coin cell battery
Removing coin cell battery
Installing coin cell battery
Heat sink
Removing heatsink assembly
Installing heatsink assembly
Processor
Removing processor
Installing processor
System fan
Removing system fan
Installing system fan
Optional VGA module
Removing optional VGA module
Installing optional VGA module
System board
Removing system board
Installing the system board
Drivers and downloads
System setup
Boot Sequence
Navigation keys
Boot Sequence
System Setup options
Updating the BIOS
Updating the BIOS in Windows
Updating the BIOS in Linux and Ubuntu
Updating the BIOS using the USB drive in Windows
Updating the BIOS from the F12 One-Time boot menu
System and setup password
Assigning a system setup password
Deleting or changing an existing system setup password
Enabling smart power on
Troubleshooting
Enhanced Pre-Boot System Assessment — ePSA diagnostics
Running the ePSA Diagnostics
Diagnostics
Backup media and recovery options
Recovering the operating system
Battery status lights
Getting help and contacting Dell
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