Owners Manual
Table Of Contents
- Dell Precision 7920 Tower Owner's Manual
- Contents
- Chassis
- Working on your computer
- Removing and installing components
- 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
- VROC module
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Table 1. Screw list (continued)
Component Screw Type Quantity
Down-Bottom air shroud M3X5.0mm 2
Motherboard #6-32X1/4 inches 12
Front Fan Bracket-MB tray #6-32X1/4 inches 2
Front Fan Bracket-Front wall #6-32X1/4 inches 2
Intruder holder #6-32X1/4 inches 1
Rear Fan bracket #6-32X1/4 inches 2
Rear HDD cover #6-32 UNC X7.0mm 2
Flex0 HDD bay bracket #6-32 UNC X5.45mm 4
Flex0 6025fan bracket for cable
attached
#6-32 UNC X5.45mm 2
Flex0 6025fan bracket for hot plug #6-32 UNC X5.45mm 2
Flex0 and Flex1 HH ODD bracket #6-32 UNC X5.45mm 4
Flex1 HDD bay bracket #6-32 UNC X5.45mm 4
Flex1 6025fan bracket for cable attached #6-32 UNC X5.45mm 2
Flex1 6025fan bracket for hot plug #6-32 UNC X5.45mm 2
Flex2 HDD bay bracket #6-32 UNC X5.45mm 4
Flex2 6025fan bracket for cable
attached
#6-32 UNC X5.45mm 2
Flex3 HDD bracket #6-32 UNC X5.45mm 4
Flex3 6025fan bracket for cable
attached
#6-32 UNC X5.45mm 2
Flex4 HDD bracket #6-32 UNC X5.45mm 4
Flex4 6025fan bracket for cable
attached
#6-32 UNC X5.45mm 2
HH ODD holder M3X5.0mm 4
HSBP board #6-32 UNC X5.45mm 3
CPU0 cooler/CPU0 Liquid Cooler T-30 torx bolt 4
CPU1 cooler/CPU1 Liquid Cooler T-30 torx bolt 4
Liquid Cooler Bracket #6-32 UNC X5.45mm 12
Recommended tools
The procedures in this document may require the following tools:
● Phillips #0 screwdriver
● Phillips #1 screwdriver
● Philips #2 screwdriver
● Plastic scribe-Recommended for field technician
● T-30 torx screwdriver
Removing and installing components
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