Sound not coming from left speaker - JBL CREATURE II Computer Speakers

are you adjusting sound through the windows controller or the application you're playing music through? there are a few things that could affect that, there's also the actual sound setup where you can change your setup i.e. surround sound, single speaker, headphones etc

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Hi !
It looks like, your right speaker is defective, as you wrote. You should go to your notebook dealer and make RMA
Hope it helps

I'm assuming windows 7, if so:
Windows 7 adds High Definition and other sound features. Sound can be selecting in many more ways and it gets even tricker with microphones.

But this should do it:
Left Click "Start"
type "control panel" enter or click on menu selection
Left click "Sounds"
Enable your speakers from the default settings

connect your right speaker cable to the left output, if the sound comes out then the problem is on the left speaker ( the cable or the speaker itself ), but if still no sound, then the problem is on the power output of the unit, need to repair them

Solution to having no sound coming from certain speakers in a 7.1 speaker setup for TX-SR606 receiver when playing a DVD.

Review the cable setup for the DVD player since it was identified as the source of the problem. Best to unplug and plug in the cables to ensure they contact the back of the receiver's RCA jacks. Redo the microphone setup for Audyssey 2EQ calibration. A good chance that it is the cable that may have caused the malfunction and loss of sound from the speakers. The cables can come loose during setup and not plugged all the way to the back of the RCA jacks or a defective cable causing signal loss.

maybe the equilizers messed up

just check is there any loose contact frm that speaker connection plug out the cable connect it again and have a check it may work...

or may be any time the speaker may be falled on ground so may be there is problem

This may be in the sound card settings itself. Even though you may have adjusted the Windows settings {if thats what your using} the sound card needs to also be set up for surround. Some sound cards do not support 4 speakers or surround sound systems. Go to Device Manager and find your sound card and manufacture then check there technical support page for info.

it is highly likely that you're TV is outputting mono sound, hence the left channel only. check your physical connections to the TV and the balance / channel volume on the television as well.

I think you mean the left channel is out but when you use test tone, the sound comes from left and right channels through the right channel speaker. If this is case, the switching IC is malfuncting. Unit needs service