A video of this procedure is available at YouTube: https://youtube.com/playlist?list=PLYV5R7hVcs- 
DoEcxrm2zKNpaKOdZ3f8Qc
.
Procedure
Step 1.  Make preparations for this task. 
a.  Remove the server cover (see “Remove the server cover” on page 199).
b.  Remove the processor and the heat sink if necessary (see “Remove the processor” on page 
184).
Step 2.  Lay the server on its side for easier operation.
Step 3.  Locate the PCIe adapter you want to remove. Depending on the type of the PCIe adapter, you 
might also need to disconnect all cables from the PCIe adapter, the system board, or the hot-swap 
drive backplane. 
Step 4.  Remove a PCIe adapter. 
a. 
Open the retaining clip as illustrated.
b. 
Grasp the PCIe adapter by its edges, and carefully pull it out of the slot.
Figure 90. Removing a PCIe adapter
After this task is completed
1.  Install another PCIe adapter if necessary (see “Install a PCIe adapter” on page 160). Otherwise, install a 
bracket to cover the slot.
2.  If you are instructed to return the component or optional device, follow all packaging instructions, and 
use any packaging materials for shipping that are supplied to you.
Install a PCIe adapter
Follow instructions in this section to install a PCIe adapter.
About this task
To avoid potential danger, read and follow the following safety statements. 
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ThinkSystem ST250 V2 Maintenance Manual