Lenovo ThinkStation P920 Hardware Maintenance Manual page 188

b. If your computer comes with a Wi-Fi card that supports the Bluetooth function, disconnect the
Bluetooth cable from the Wi-Fi adapter.
Figure 137. Disconnecting the Bluetooth cable
c. On the rear of the computer, lift the handle
1 is opened.
Figure 138. Opening the PCIe card latch
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P920 Hardware Maintenance Manual
2 and pivot it as shown until it stops. The PCIe card latch