Dell Precision 7820 Tower - Removing and Installing Components; Screw Size List

Removing and installing components
Topics:
• Screw size list
• Recommended tools
• Power supply unit (PSU)
• Side cover
• Front bezel
• Hard Disk Drive bezel
• Hard disk drive assembly
• NVMe Flexbay
• Slim Optical Disk Drive
• Front input and output bezel
• 5.25 inch ODD bracket
• Front input and output panel
• Input and output panel bracket
• VROC module
• Intrusion switch
• Internal chassis speaker
• Air shroud
• Memory
• Graphical processing unit(GPU)
• Coin cell battery
• System fan
• Fan bracket
• PCIe holder
• Rear system fan
• Front system fan
• Processor heat sink module
• System board
Screw size list
Table 1. Screw list
Component Screw type Quantity
Slim ODD Bracket #6-32 UNC X6.0mm 1
FIO Cable Clip #6-32X1/4 inches 1
FIO Board M3X5.0mm 2
FIO Bracket #6-32 UNC X6.0mm 1
Front System Fan Bracket #6-32 UNC X6.0mm 1
Intrusion Holder M3X5.0mm 1
PDB Board #6-32X1/4 inches 3
PDB Bracket M3X5.0mm 1
Slim ODD Plug M3X5.0mm 2
3
Removing and installing components 15