
3Connect the power cable to the power supply and plug the cable into a power outlet.
NOTE: When installing a new power supply in a system with two power supplies, allow several seconds for the system to recognize the power supply and determine its status.
System-Board Assembly
Removing a System-Board Assembly
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.
1Turn off the system, including any attached peripherals, and disconnect the system from its electrical outlet.
2Disconnect all the external cables from the system board.
3Remove the screw that secures the retaining latch. See Figure
4Press the retaining latch and using the handle, slide the
Installing System Components
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