Dell R420xr owner manual Installing The System Board, Removing and Installing the System Board

7.Hold the system board by its edges and lift the system board out of the chassis.

Figure 41. Removing and Installing the System Board

1. screws (9) 2. system board

Installing The System Board

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.

1.Unpack the new system board assembly.

2.Transfer the following components to the new system board:

a.heat sink(s)/heat-sink blank(s) and processors(s)/processor blank(s)

b.memory modules and memory module blanks

CAUTION: Do not lift the system board assembly by grasping a memory module, processor, or other components.

CAUTION: Take care not to damage the system identification button while placing the system board into the chassis.

3.Hold and align the system board by its edges and align it to the back of the chassis.

4.Lower the system board and align the screw holes to the standoffs on the chassis till firmly seated.

5.Tighten the screws of the system board to secure the system board to the chassis.

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