Lenovo ThinkStation P720 Hardware Maintenance Manual page 172

5. To remove a full-length PCIe card, disconnect the power cable from the card first. Press the card
retaining latch as shown to disengage the latch, and grasp the old card and gently pull it out of the slot.
Notes:
• Remove any parts that might prevent your access to the latch.
• The card might fit tightly into the slot. If necessary, alternately move each side of the card a small
amount until the card is removed from the slot.
Figure 127. Removing a full-length PCIe card
6. To install a full-length PCIe card, do the following:
a. If you are installing a new full-length PCIe card, remove the appropriate metal slot cover.
b. Remove the new full-length PCIe card from its static-protective package.
c. Align the extender on the new full-length PCIe card with the corresponding slot in the front fan
assembly. Then, install the new card into the appropriate slot on the system board. See "Parts on the
system board" on page 38.
Note: It is recommended that you install the full-length PCIe card into a PCIe 3.0 x16 card slot for
best performance.
7. Pivot the PCIe card latch and push it back in until it snaps into position. Then, pivot the tab on the front
fan assembly to close the latch inside.
8. Connect one end of the power cable to the new full-length PCIe card and the other end to the
appropriate power connector on the system board. See "Parts on the system board" on page 38.
What to do next:
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P720 Hardware Maintenance Manual