Unable to config 6 speakers to PC

Guide Overview

Hookup all of the speakers to the subwoofer with their corresponding colors.
Take the d-sub cable and hook that upto your front right speaker.
Hookup the cable from your front right speaker to the back of your pc.

Step-by-Step instructions:

1. Unplug the power cable to the subwoofer.

2. Before attaching the cables to the subwoofer, position the two front satellite speakers on either side of your computer monitor about the same distance from each other as from you.

Angle them to face you. The right front speaker is the control center for your system, so you will want to place it within easy reach.
Place the rear left and right satellite speakers behind you and about the same distance apart as the front speakers.
Position the front center channel speaker on top of your monitor or on your desk in between your monitor and keyboard.
Place the rear center speaker directly behind you.
Depending on where you place your speakers, adjust the stand to direct the sound toward you.
For best sound quality, place the subwoofer on the floor beneath your desk.
Be sure to maintain 6 inches spacing around the subwoofer to allow for adequate ventilation around it.

3. Insert the colored plug from each satellite speaker into the corresponding colored jacks on the back of the subwoofer.

Connect the d-sub plug from the front right speaker to the subwoofer. *This is the black cable with 3 rows pins.*
Carefully align the pins before inserting the plug, and screw down the connector.

4a. If you have a PC and a:

7-channel (6.1) sound card: Connect all 3 colored plugs from the audio input cable to the color-coded jacks on the sound card. Select 6.1 on the source selector switch. *This switch can be found on the back of the front right speaker*

6-channel (5.1) sound card: Connect all 3 colored plugs from the audio input cable to the color-coded jacks on the sound card. Select 5.1 on the source selector switch. *This switch can be found on the back of the front right speaker*

4-channel sound card: Connect the green plug from the audio input cable to your sound card’s front jack and the black plug to your sound card’s rear jack. Do not use the orange plug. Select 4 on the source selector switch. *This switch can be found on the back of the front right speaker*

2-channel sound card: Connect the green plug from the audio input cable to the “line out” jack on your sound card. Do not use the black or orange plugs. Select 4 on the source selector switch. *This switch can be found on the back of the front right speaker* NOTE: With 2-channel sound you will not hear sound from the rear speakers.

4b. If you have a video game console (PlayStation®, PlayStation®2, PlayStation®3, Xbox™, Xbox 360, GameCube®, Wii, etc.):

Select 4 on the source selector switch (Found on the back of the front right speaker).
Connect the green and black plugs from the audio input cable to the 2 stereo mini jacks on the included video game adapter.
Do not use the orange plug.
Connect the red and white RCA audio cables from your video game console to the RCA audio jacks to the video game adapter.

5. Plug the subwoofer’s power cord into an electrical outlet.

*Copied from Logitech x-620 manual*

Let me know if this helps,
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