Lenovo ThinkCentre M58 Hardware Maintenance Manual - Page 94

Figure 28. Replacing the optical drive 7. Connect the signal and power cables to the drive. 8. To reinstall the front bezel, align the plastic tabs on the bottom of the bezel with the corresponding holes in the chassis, then pivot the bezel inward until it snaps into position. 9. Go to "Completing the FRU replacement" on page 89. Replacing the internal speaker Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the internal speaker. To replace the internal speaker: 1. Open the computer cover. See "Opening the computer cover" on page 71. 2. Locate the internal speaker. See "Locating components" on page 69. 3. Disconnect the internal speaker cable from the system board. See "Locating parts on the system board" on page 70. 4. Press the internal speaker lock latch 1 , slide the internal speaker downwards and remove it from the chassis. 88 ThinkCentre Hardware Maintenance Manual