Lenovo ThinkCentre M90p Hardware Maintenance Manual - Page 94

Replacing the internal speaker, Locate the internal speaker. See Locating components

Page 94 highlights

Figure 27. Installing the optical drive 8. Connect the signal cable and the power cable to the new optical drive. 9. Reinstall the front bezel. See "Removing and reinstalling the front bezel" on page 71. 10. Go to "Completing the parts 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, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Open the computer cover. See "Opening the computer cover" on page 70. 3. Locate the internal speaker. See "Locating components" on page 68. 4. Disconnect the internal speaker cable from the system board. See "Locating parts on the system board" on page 69. 5. Press the internal speaker lock latch 1 , slide the internal speaker downwards to remove it from the chassis. 88 ThinkCentre Hardware Maintenance Manual

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Figure 27. Installing the optical drive
8. Connect the signal cable and the power cable to the new optical drive.
9. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 71.
10. Go to “Completing the parts 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:
This section provides instructions on how to replace the internal speaker.
To replace the internal speaker, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See “Opening the computer cover” on page 70.
3. Locate the internal speaker. See “Locating components” on page 68.
4. Disconnect the internal speaker cable from the system board. See “Locating parts on the system
board” on page 69.
5. Press the internal speaker lock latch
1
, slide the internal speaker downwards to remove it from the
chassis.
88
ThinkCentre Hardware Maintenance Manual