- Notes, cautions, and warnings
- Working on your computer
- Chassis
- Field service information
- Screw size list
- Recommended tools
- Critical callouts
- Working on your computer
- Disassembly and reassembly
- Side Cover
- Front Bezel
- Front panel door
- Installing front panel door
- Storage device
- Optical drive
- M.2 PCIe SSD
- SD card
- Memory modules
- Expansion card
- Power supply unit
- Intrusion switch
- Power switch
- Speaker
- Coin-cell battery
- Heat sink assembly
- Processor
- System fan
- VGA Daughterboard
- System board
- Technology and components
- System setup
- Troubleshooting
- Getting help
Dell OptiPlex 5055 Ryzen APU Tower Owner's Manual
Front chassis view
- Power button and power light
- Hard drive activity light
- Memory card reader (optional)
- Optical drive (optional)
- Headset port
- USB 2.0 port with PowerShare
- USB 2.0 port
- USB 3.1 Gen1 port
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