User Manual
Table Of Contents
- Dell Precision 5820 Tower Owner's Manual
- Working on your computer
- Removing and installing components
- Screw size list
- Recommended tools
- Side cover
- Power supply unit (PSU)
- Front bezel
- Hard Disk Drive bezel
- Hard disk drive assembly
- Slim Optical Disk Drive
- Front input and output bezel
- Optical Disk Drive
- 5.25 inch ODD bracket
- Front input and output panel
- Input and output panel bracket
- Intruder switch
- Internal chassis speaker
- Air shroud
- Memory
- Expansion card
- Coin cell battery
- System fan
- Fan bracket
- PCIe holder
- Heat sink and CPU fan assembly
- Processor
- Front system fan
- System board
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Component Screw type Quantity
Intruder Holder M3X6.5mm 1
PDB Board #6-32X1/4 inches 3
PDB Bracket M3X6.5mm 1
Slim ODD Plug M3X6.5mm 2
HDD Bracket M3X6.5mm 1
5.25" ODD Bracket
• #6-32 UNC X6.0mm
• M3X6.5mm
• 2
• 2
System Board #6-32X1/4 inches 10
Middle Fan Fixed Bracket #6-32X1/4 inches 1
Middle Fan Bracket #6-32X1/4 inches 3
Rear Fan Bracket #6-32X1/4 inches 2
HSBP Board M3X6.5mm 2
Slim ODD Fixed Bracket M2X2.0mm 2
Slim ODD M3X6.5mm 1
5.25" ODD M3X4.5mm 4
3.5" HDD Bracket M3X4.5mm 4
2.5" HDD Bracket M3X4.5mm 4
2nd CPU Support Bracket #6-32X1/4 inches 2
2nd CPU Board #6-32X1/4 inches 5
UPI Fixed Bracket M3X5.0mm 1
CPU Cooler T-30 torx bolt 4
Liquid Cooler Module
• #6-32X1/4 inches
• #6-32 UNC X3.5mm
• T-30 torx bolt
• 4
• 6
• 4
M.2 Carrier Cover
• M2X6mm
• M2X3mm
• 1
• 2
Recommended tools
The procedures in this document require the following tools:
• Phillips #0 screwdriver
• Phillips #1 screwdriver
• Philips #2 screwdriver
• Plastic scribe
NOTE
: The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4
10 Removing and installing components