Dell Precision 7920 Tower - Removing and Installing Components

Removing and installing components
Topics:
• Screw size list
• Recommended tools
• Power supply unit (PSU)
• Side cover
• Air shroud
• Front bezel
• PCIe holder
• Intrusion switch
• Front system fan assembly
• Internal chassis speaker
• Hard disk drive and the Optical disk drive bezel
• Hard disk drive assembly
• NVMe Flexbay
• Front input and output bezel
• Front input and output panel
• Rear system fan
• Right side cover
• Hard disk drive and optical disk drive frame
• Slim Optical Disk Drive
• 5.25-inch optical drive
• Power distribution and fan control board
• Front HDD cable and fan assembly
• Fan bracket
• Graphical processing unit(GPU)
• Memory
• Coin cell battery
• Processor heat sink module
• System board
• RAID controller battery
• RAID controller battery bracket
• VROC module
Screw size list
Table 1. Screw list
Component Screw Type Quantity
PSU extended card #6-32X1/4 inches 3
FIO board #6-32X1/4 inches 2
Slim ODD cable for blind mate M3X5.0mm 2
Slim ODD cable for blind mate with ODD
bracket
#6-32 UNC X5.45mm 1
FIO bracket #6-32X1/4 inches 1
Right Side Cover #6-32 UNC X7.0mm 2
3
16 Removing and installing components