Lenovo Legion Tower 5i Hardware Maintenance Manual page 72

The PCI-Express card might be very hot. Before you open the computer cover, turn off the computer and
wait several minutes until the computer is cool.
Replacement procedure
1. Remove the power cord. See "Power cord" on page 50.
2. Remove the left side cover and right side cover. See "Left side cover and right side cover" on page 50.
3. Remove the wire cover. See "Wire cover (for selected models)" on page 52.
4. Remove the front bezel. See "Front bezel" on page 51.
5. Remove the front fan. See "Front fans" on page 63.
6. Disconnect the power cable from the PCI-Express card.
7. Remove the PCI-Express card mounting screws.
8. Open the latch.
9. Remove the PCI-Express card and the PCI-Express card super holder.
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Lenovo Legion Tower 5i (26L, 7) Hardware Maintenance Manual