5. If you are installing a full-length adapter, remove the blue adapter guide (if any)from the end of the adapter; then, lift the adapter-retention clip on theadapter-support bracket. Otherwise, continue with the next step.Adapter guide6. Press the adapter firmly into the expansion slot, lower the adapter-retentionlatch, and make sure that the latch is in the locked (closed) position.Attention: Incomplete insertion might cause damage to the system board orthe adapter.7. Connect any needed cables to the adapter.8. If you have other options to install or remove, do so now.9. Replace the cover. Go to “Completing the installation” on page 45.Chapter 3. Installing options 27