- Notes, cautions, and warnings
- Chassis
- Working on your computer
- Removing and installing components
- 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
- Center System fan/HDD fan
- Fan bracket
- PCIe holder
- Rear system fan
- Front system fan
- Processor heat sink module
- System board
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Dell Precision 7820 Tower Owner's Manual
Removing the coin cell battery
- Follow the procedure in Before working inside your computer.
- Remove the:
- To remove the coin cell battery:
- Press the release latch [1] away from the battery to allow the battery to pop-up from the socket [2].
- Lift the coin-cell battery out of the system board.
- Press the release latch [1] away from the battery to allow the battery to pop-up from the socket [2].
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