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support.dell.com Repair and Replacement 6-5
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1. Inset the new fan assembly into the switch’s front assembly cavity.
2. Tighten the four front thumb-screws.
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Replacing the system board involves removing the switch’s cover, removing the sys-
tem board, and installing the new system board.
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#6 flat-head screwdriver
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1. Remove all cabling attached to the front panel.
2. Remove all GBICs.
See “Removing a GBIC Module” found earlier in this chapter for instructions.
3. Disconnect the power supply connector(s).
4. Remove the system board module by loosening the captured screw located
between ports 7 and 9 and pulling the assembly out of the switch. See
Figure 6-5.
5. Remove the new system board from its antistatic bag and place the old system
board into the bag.