Logitech LS-21 2.1 Speakers "laptop 39 sound low" Questions

...laptop. The speakers work fine, but the sound is low and it doesn't seem as if the volume control works. My soundcard is working fine as well. I am unsure on how to fix this. There are 2 ...

...39;t compatible with your laptop sound card or driver...or just try to download the same sound driver your sister laptop has and install it in yours note make sure you have a back-up of your sound ...

...laptop speakers are plugged in. my harmon kardon sound sticks aren't working no sound the sub woofer is lite up but no sound out of the speakers I MISSED THE VOLUME CONTROL ON THE RIGHT SPEAKER. NOT ...

...laptop? if so, can you tell me how to? I need to amplify my music for a party and I want to use the ones from my brother's desktop and I rather not upload my music onto his it will take too long. ...