Lenovo ThinkCentre E51 Hardware Maintenance Manual - Page 160

Replacing the front panel card 1. Remove cover. See "Removing the cover" on page 121. 2. Remove the drive bay assembly. See "Removing and replacing the drive bay assembly" on page 127. 3. Disconnect the front panel assembly cables from the system board. See the system board illustration for your machine type at "Identifying parts on the system board" on page 123. 4. Remove the screw that secures the front panel card assembly to the chassis. 5. Note the front panel assembly cable routing and remove the assembly from the chassis. 6. Route the cable for the new front panel card assembly through the hole in the chassis and to the system board. 7. Install the front panel card assembly into the chassis and secure it with the screw. 8. Connect the front panel assembly cables to the system board. 9. Reinstall the drive bay assembly. See "Removing and replacing the drive bay assembly" on page 127. 10. Go to "Completing the FRU replacement." Completing the FRU replacement After replacing FRUs, you need to install any removed parts, replace the cover, and reconnect any cables, including telephone lines and power cords. Also, depending on the FRU that is replaced, you might need to confirm the updated information in the Setup Utility program. Note: When the power cord is first plugged in, the computer might appear to turn on for a few seconds and then turn off. This is a normal sequence to enable the computer to initialize. 1. Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer. 2. Replace the cover and secure it with two screws. 154 Hardware Maintenance Manual