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Figure 15. Inside the System—PowerEdge R720xd
1. cooling-fan assembly 2. cable securing bracket
3. cooling shroud 4. hard-drive backplane (back)
5. vFlash media slot 6. hard drives (back) (2)
7. expansion-card riser 3 8. network daughter card
9. expansion-card riser 2 10. expansion-card riser 1
11. heat sink for processor 1 12. heat sink for processor 2
13. DIMMs (24) 14. cooling fans (6)
Cooling Shroud
Removing The Cooling Shroud
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.
CAUTION: Never operate your system with the cooling shroud removed. The system may get overheated quickly,
resulting in shutdown of the system and loss of data.
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2. Open the system.
3. If installed, remove the full-length PCIe card.
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