HP consumer dv7-6b56nr notebook a1t84uar#aba Manuale Utente

Audio/infrared board

Before removing the audio/infrared board, 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 

). 

5. Remove the following components: 

a. Primary and secondary hard drive covers (see 

)

b. Primary and secondary hard drives (see 

)

c. Optical drive (see 

d. Switch cover and keyboard (see 

)

e. Speaker assembly (see 

f. Display assembly (see 

g. Top cover (see 

)

Remove the audio/infrared board: 

1. Position the computer with the front toward you.

2. Open the audio/infrared board cable LIF connector 1, and disconnect the cable from the system board. 

3. Remove the Phillips PM2.5×4.0 screw 2 that secures the audio/infrared board to the base enclosure.

4. Lift the audio/infrared board 3 straight up to remove it from the base enclosure.

Reverse this procedure to install the audio/infrared board. 

Audio/infrared board (includes cable)

518166-001