Lenovo 4221 Laptop User Manual


 
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 73.
3. Locate the internal speaker connector on the system board. See “Locating parts on the system board”
on page 71.
4. Disconnect the internal speaker cable from the system board.
5. Push the metal tab 1 on the top of the internal speaker outward and slide the internal speaker upward
to completely remove it from the chassis.
Figure 39. Removing the old internal speaker
6. Position the new internal speaker into the four metal clips 1 and push downward on the internal speaker
until it is secured in place.
102 Hardware Maintenance Manual