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Manuals
Dell OptiPlex 5070 Small Form Factor 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
Technology and components
DDR4
USB features
USB Type-C
Advantages of DisplayPort over USB Type-C
HDMI 2.0
Intel Optane memory
Enabling Intel Optane memory
Disabling Intel Optane memory
Removing and installing components
Side cover
Removing the side cover
Installing the side cover
Expansion card
Removing expansion card
Installing the expansion card
Coin cell battery
Removing coin cell battery
Installing the coin cell battery
Hard drive assembly
Removing the hard drive assembly
Installing the hard drive assembly
Hard drive
Removing the hard drive
Installing the hard drive
Bezel
Removing front bezel
Installing front bezel
Hard drive and optical drive module
Removing the hard drive and optical drive module
Installing the hard drive and optical drive module
Optical drive
Removing the optical drive
Installing the optical drive
Memory module
Removing memory module
Installing the memory module
Heatsink fan
Removing heatsink fan
Installing the heatsink fan
Heatsink assembly
Removing heatsink assembly
Installing heatsink assembly
Intrusion switch
Removing intrusion switch
Installing the intrusion switch
Power switch
Removing power switch
Installing the power switch
Processor
Removing processor
Installing the processor
M.2 PCIe SSD
Removing the M.2 PCIe SSD
Installing the M.2 PCIe SSD
Power supply unit
Removing power supply unit or PSU
Installing the power supply unit or PSU
Speaker
Removing speaker
Installing the speaker
System board
Removing system board
Installing the system board
Troubleshooting
Enhanced Pre-Boot System Assessment — ePSA diagnostics
Running the ePSA Diagnostics
Diagnostics
Power-Supply Unit Built-in Self-Test
Diagnostic error messages
System error messages
Recovering the operating system
Real Time Clock—RTC reset
Backup media and recovery options
WiFi power cycle
Getting help
Contacting Dell
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Removing power switch
Follow the procedure in
Before working inside your computer
.
Remove the:
Side cover
Front bezel
HDD assembly
Hard drive and optical drive module
To remove the power switch:
Disconnect the power switch cable from the system board [1].
Press the power switch retention tabs and pull the power switch out from the system [2] [3].
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