1, turn off the power and face the front panel of the machine.

2. Remove the screw by hand or screwdriver, open the left baffle, find the PC slot, and remove the baffle aligned with the PC slot on the back of the machine.

3. Align the gold finger of the sound card with the PC slot, insert the sound card in parallel and fix it.

4. Connect the mobile phone with audio cable for live broadcast. One end of the audio cable is connected to the earphone hole of the mobile phone, and the other end is connected to the microphone live jack.

5. Connect the microphone and accompaniment equipment with another audio cable. One end is connected to the earphone hole of the accompaniment equipment, and the other end is connected to the accompaniment jack of the microphone. Connect headphones to the headphone jack of the sound card and connect the microphone to the microphone jack of the sound card. Turn on the sound card and debug it to the appropriate mode.

6. At the same time, open the live broadcast software on the accompaniment equipment.