HP mt42 Maintenance and Service Guide - Page 60
Speaker assembly, Remove the speaker assembly
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Speaker assembly Description Speaker assembly (includes cable) Spare part number 821170-001 Before removing the speaker assembly, follow these steps: 1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the bottom cover (see Bottom cover on page 25). 5. Remove the battery (see Battery on page 28). 6. Remove the keyboard (see Keyboard on page 36). 7. Remove the heat sink/fan assembly (see Heat sink/fan assembly on page 43). 8. Remove the system board (see System board on page 48). Remove the speaker assembly: 1. Remove the two Phillips PM2.5x2.5 screws that secure the speakers to the computer (1). 2. Remove the speaker (2) from the computer. Reverse this procedure to install the speakers. 50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts