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4Replace the power distribution boards. See "Installing a Power Distribution Board" on page 96.
5Close the system. See "Closing the System" on page 92.
6Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
Midplanes
Removing the Midplanes
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.
2Open the system. See "Opening the System" on page 91.
3Remove the
4Remove the cooling fans. See "Removing a Cooling Fan" on page 92.
5Remove the screws that secure the
6Lift the
Installing System Components
99