80 Installing System ComponentsCooling ShroudThe cooling shroud produces and directs airflow over the system memory modules with an attached hot-plug fan. The fan need not be removed prior to removing the shroud.Removing the Cooling ShroudCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.1 Turn off the system, including any attached peripherals, and disconnect the system from the electricaloutlet.NOTICE: Never remove the memory cooling shroud without first powering down the system. Overheating of thesystem can develop quickly resulting in a shutdown of the system and the loss of data.2 Open the system. See "Opening the System" on page 48.3 To remove the cooling shroud, release the blue latches on the shroud by pulling each latch outwardfrom its securing tab. See Figure 3-19.4 Lift the shroud straight up to disengage the fan connector from the system board, and then lift theshroud out of the system. See Figure 3-19.CAUTION: The DIMMs are hot to the touch for some time after the system has been powered down. Allow timefor the DIMMs to cool before handling them. Handle the DIMMs by the card edges and avoid touching the DIMMcomponents.book.book Page 80 Tuesday, September 1, 2009 4:19 PM
