Lenovo M58e Hardware Maintenance Manual - Page 150

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 cover" on page 125. 2. Remove the front bezel by releasing the three tabs. 3. Pivot the drive bay assembly upward to gain access to the internal speaker. See "Accessing system board components and drives" on page 126. 4. Locate the internal speaker. See "Computer components" on page 123. 5. Disconnect the internal speaker cable and the thermal sensor cable from the internal speaker connector and the thermal sensor connector on the system board. See "System board connectors" on page 124. 6. Push the four tabs 1 on the bottom of the internal speaker one by one to release the internal speaker, and then lift the internal speaker 2 straight up to completely remove it from the chassis. 7. Remove the thermal sensor cable latched on the bottom of the old internal speaker and install it on the new internal speaker. 144 Hardware Maintenance Manual