Lenovo ThinkStation P410 Hardware Maintenance Manual page 160

c. Flex the four clips on the sides of the retaining bracket to remove the front Thunderbolt I/O adapter
from the bracket.
Figure 101. Removing the front Thunderbolt I/O adapter from the retaining bracket
5. If you are installing a new front Thunderbolt I/O adapter, do the following:
a. Remove the dummy bezel and install the bezel in the front Thunderbolt adapter kit to the flex
module first.
Figure 102. Installing the bezel to the flex module
b. To install a new front Thunderbolt I/O adapter into the retaining bracket, align the four holes in the
front Thunderbolt I/O adapter with the corresponding mounting studs on the bracket. Then, press
the card downward until it snaps into position.
Figure 103. Installing the front Thunderbolt I/O adapter into the retaining bracket
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ThinkStation P410 Hardware Maintenance Manual