10. Follow the procedure in After working inside your computer.
NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup
program after you replace the system board.
NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup
program. You must make the appropriate changes again after you replace the system board.
Microphones
Removing the microphones
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the stand.
3. Remove the back cover.
4. Remove the I/O cover.
5. Remove the hard drive.
6. Remove the system-board shield.
7. Remove the media-card reader.
8. Remove the memory module.
9. Remove the wireless card.
10. Remove the M.2 2230 solid-state drive or, M.2 2280 solid-state drive, as applicable.
11. Remove the integrated heat sink or, discrete heat sink.
12. Remove the system board.
About this task
The following image indicates the location of the microphones and provides a visual representation of the removal procedure.
Figure 59. Removing the microphones
Steps
1. Remove the four screws (M2X3.5) that secure the microphone module to the display-assembly base.
Removing and installing Field Replaceable Units (FRUs)
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