Removing expansion card risers on page 127
Removing the integrated storage controller card on page 113
Removing the optional internal dual SD module on page 135
Replacing the optional internal USB memory key on page 140
Removing the PCIe card holder on page 107
Removing the cable retention bracket on page 110
Removing a heat sink on page 99
Removing a processor on page 100
Removing memory modules on page 96
Removing the network daughter card on page 137
Installing the system board on page 154
After working inside your system on page 68
Installing the system board
Prerequisites
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
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 are shipped with your product.
Steps
1. Unpack the new system board assembly.
CAUTION: Do not lift the system board by holding 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.
2. Hold the touch points and lower the system board into the chassis.
3. Push the system board toward the back of the chassis until the board clicks into place.
154 Installing and removing system components
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