Pcie Card - Lenovo 30C7 Hardware Maintenance Manual

a. "PCIe card" on page 94.
b. "Memory module" on page 103.
c. "M.2 solid-state drive" on page 96.
d. "Wi-Fi card" on page 140.
e. "Front audio and USB assembly" on page 131.
f. "Heat-sink-and-fan assembly" on page 148.
3. Record the cable routing and cable connections, and then disconnect all cables from the system board.
See "Parts on the system board" on page 37.
4. Remove the nine screws that secure the system board in the sequence as shown in the following
illustration.
Figure 106. Removing the nine screws that secure the system board
5. Slide the system board to the front of the computer, and then carefully lift the system board out of the
chassis.
Note: Carefully handle the system board by its edges.
6. Remove the microprocessor from the failing system board, and then install it onto the new system
board. See "Microprocessor" on page 149.
7. Install the new system board into the chassis by aligning the nine screw holes in the new system board
with the corresponding mounting studs on the chassis. Then, install the nine screws in the sequence as
shown to secure the new system board.
152
P330 Hardware Maintenance Manual