HP 550 HP 550 Notebook PC - Maintenance and Service Guide - Page 60

Speaker, from the system board.

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Speaker Description Speaker Spare part number 456593-001 Before removing the speaker, follow these steps: 1. Shut down 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 all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 38). 5. Remove the keyboard (see Keyboard on page 49). 6. Remove the switch cover (see Switch cover on page 46). Remove the speaker: 1. Disconnect the speaker cable (1) from the system board. 2. Remove the two Torx T8M2.5×4.0 screws (2) that secure the speaker to the top cover. 3. Remove the speaker (3) from the top cover. Reverse this procedure to install the speaker. 52 Chapter 4 Removal and replacement procedures

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Speaker
Description
Spare part number
Speaker
456593-001
Before removing the speaker, follow these steps:
1.
Shut down 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 all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery
on page
38
).
5.
Remove the keyboard (see
Keyboard
on page
49
).
6.
Remove the switch cover (see
Switch cover
on page
46
).
Remove the speaker:
1.
Disconnect the speaker cable
(1)
from the system board.
2.
Remove the two Torx T8M2.5×4.0 screws
(2)
that secure the speaker to the top cover.
3.
Remove the speaker
(3)
from the top cover.
Reverse this procedure to install the speaker.
52
Chapter 4
Removal and replacement procedures