- Notes, Cautions, and Warnings
- About Your System
- Using The System Setup and Boot Manager
- Installing System
Components
- Recommended Tools
- Front Bezel (Optional)
- Opening And Closing The System
- Inside The System
- Cooling Shroud
- System memory
- Hard Drives
- Removing A 2.5 Inch Hard-Drive Blank
- Installing A 2.5 Inch Hard-Drive Blank
- Removing A 2.5 Inch Hard-Drive Blank (Back)
- Installing A 2.5 Inch Hard-Drive Blank (Back)
- Removing A 3.5 Inch Hard-Drive Blank
- Installing A 3.5 Inch Hard-Drive Blank
- Removing A Hot-Swap Hard Drive
- Installing A Hot-Swap Hard Drive
- Removing A Hard Drive From A Hard-Drive Carrier
- Installing A Hard Drive Into A Hard-Drive Carrier
- Optical Drive (Optional)
- Cooling Fans
- Internal USB Memory Key (Optional)
- PCIe Card Holder
- Top Cover Lock Latch
- Cable Retention Bracket
- Expansion Cards
And Expansion-Card Risers
- Expansion Card Installation Guidelines
- Removing An Expansion Card From The Expansion-Card Riser 2 Or 3
- Installing An Expansion Card Into The Expansion-Card Riser 2 Or 3
- Removing An Expansion Card From The Expansion-Card Riser 1
- Installing An Expansion Card Into The Expansion-Card Riser 1
- Removing Expansion-Card Risers
- Installing Expansion-Card Risers
- GPU Card Installation Guidelines
- Installing A GPU Card
- Removing A GPU Card
- SD vFlash Card
- Internal Dual SD Module
- Internal SD Card
- Integrated Storage Controller Card
- Network Daughter Card
- Processors
- Power Supplies
- System Battery
- Hard-Drive Backplane
- Control Panel Board
- System Board
- Troubleshooting
Your System
- Troubleshooting System Startup Failure
- Troubleshooting External Connections
- Troubleshooting The Video Subsystem
- Troubleshooting A USB Device
- Troubleshooting A Serial I/O Device
- Troubleshooting A NIC
- Troubleshooting A Wet System
- Troubleshooting A Damaged System
- Troubleshooting The System Battery
- Troubleshooting Power Supplies
- Troubleshooting Cooling Problems
- Troubleshooting Cooling Fans
- Troubleshooting System Memory
- Troubleshooting An Internal USB Key
- Troubleshooting An SD Card
- Troubleshooting An Optical Drive
- Troubleshooting A Tape Backup Unit
- Troubleshooting A Hard Drive
- Troubleshooting A Storage Controller
- Troubleshooting Expansion Cards
- Troubleshooting Processors
- Using system diagnostics
- Jumpers And Connectors
- Technical Specifications
- System Messages
- Getting Help
Dell PowerEdge R720 and R720xd Owner's Manual
Installing The Hard-Drive Backplane
- CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
- Use the hooks at the base of the chassis as guides to align the hard-drive backplane.
- Slide down the hard-drive backplane until the release tabs snap into place.
- Connect the SAS/SATA/SSD data, signal, and power cable(s) to the backplane.
- Replace the cooling-fan assembly.
- Replace the cooling shroud.
- Install the hard drives in their original locations.
- Close the system.
- Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
- If applicable, install the front bezel.
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