Cooling shroudThe cooling shroud has aerodynamically placed openings that direct the airflow across the entire system.The airflow passes through all the critical parts of the system, where the vacuum pulls air across theentire surface area of the heat sink, thus allowing increased cooling.NOTE: Systems that support the internal hard drive tray require low-profile heat sinks and do notrequire or support a cooling shroud.Removing the cooling shroudPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat are shipped with your product.CAUTION: Never operate your system with the cooling shroud removed. The system may getoverheated quickly, resulting in shutdown of the system and loss of data.1. Follow the safety guidelines listed in the Safety instructions section.2. Follow the procedure listed in the Before working inside your system section.3. If installed, remove the full-length PCIe card.StepsHolding the touch points, lift the cooling shroud away from the system.Figure 21. Removing the cooling shroud1. cooling shroud 2. touch point (2)Next steps1. Install the cooling shroud.82
