Lenovo ThinkCentre M77 Hardware Maintenance Manual (HMM) - ThinkCentre M77 - Page 164
computer chassis to avoid interference with closing the computer cover., Lower the optical drive bay.
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14. Install all memory modules and PCI cards removed from the failing system board on the new system board. See "Installing or replacing a memory module" on page 125 and "Installing or replacing a PCI card" on page 127. 15. Reconnect all remaining cables to the system board. See "Locating parts on the system board" on page 119. 16. Lower the optical drive bay assembly. See "Accessing the system board components and drives" on page 124. 17. Install the hard disk drive. See "Replacing the hard disk drive" on page 135. 18. To complete the replacement, go to "Completing the parts replacement" on page 160. Note: If required, return the failing system board to Lenovo. Completing the parts replacement After completing the installation or replacement for all parts, you need to close the computer cover and reconnect cables. Depending on the parts you installed or replaced, you might need to confirm the updated information in the Setup Utility program. Refer to Chapter 6 "Using the Setup Utility program" on page 43. To close the computer cover and reconnect cables to your computer, do the following: 1. Make sure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer. See "Locating components" on page 118 for the locations of various components in your computer. 2. If you have removed the front bezel, reinstall it. To reinstall the front bezel, align the three tabs on the front bezel with the corresponding holes in the chassis and pivot the front bezel inwards until it snaps into position. 3. Make sure that the cables are routed correctly. Keep cables clear of the hinges and sides of the computer chassis to avoid interference with closing the computer cover. 4. Lower the optical drive bay. 5. Close the computer cover. 6. If there is an integrated cable lock available, lock the computer. 7. Reconnect the external cables and power cords to the computer. See "Locating connectors on the rear of your computer" on page 117. 8. To update your configuration, see Chapter 6 "Using the Setup Utility program" on page 43. Note: In most areas of the world, Lenovo requires the return of the defective Field Replaceable Units (FRUs). Information about this will come with the new FRUs or will come a few days after you receive the new FRUs. 160 ThinkCentre Hardware Maintenance Manual