Lenovo ThinkCentre A55 8705 Hardware Replacement Manual page 36

2. Pivot the drive bay assembly upward to gain access to the system board.
3. Locate the internal speaker connector on the system board. See "Locating
4. Disconnect the internal speaker cable from the system board. See "Identifying
5. Slide the internal speaker 1 upward until the speaker is released from the
28
Hardware Replacement Guide
components" on page 1.
parts on the system board" on page 4.
Note: Make sure you note the location of the speaker cable when you
disconnect it from the system board.
metal tabs that secure it at the bottom. Then pivot the bottom of the internal
speaker outward and remove the speaker from the chassis.