Lenovo ThinkStation 4215, Hardware Maintenance Manual, Page: 126 / 180

6. Remove the screw that secures the front audio and USB assembly to the
chassis.
7. Remove the front audio and USB assembly from the chassis.
8.
Install a new front audio and USB assembly into the chassis and align the
screw hole in the front audio and USB assembly with the hole in the chassis.
9. Install the screw to secure the new front audio and USB assembly to the
chassis.
10. Reconnect the front audio and USB assembly cables to the front audio
connector and the front USB connector on the system board. See “Locating
parts on the system board” on page 86.
What to do next:
v To work with another piece of hardware, go to the appropriate section.
v
To complete the installation or replacement, go to “Completing the FRU
replacement” on page 122.
Replacing the internal speaker
Attention
Do not open your computer or attempt any repair before reading and
understanding the “Important safety information” in the
ThinkStation Safety
and Warranty Guide that came with your computer. To obtain a copy of the
ThinkStation Safety and Warranty Guide , go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the internal speaker.
Figure 38. Removing the securing screw of the front audio and USB assembly
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Hardware Maintenance Manual