I have a pair of computer speakers and the left? one, the one not directly connected to the computer, makes no sound.
The wire must be good because its LED goes on. I finally got it apart (it was glued together) and it has very few parts. The speaker measures 4 ohms and all that leaves is the wires, the tiny pcb, the LED and one 1000uF 16v cap. It seems that all the sound goes through that, is that right? So it could be the problem that it's open.
How come a cap is needed? To protect the sound card? 4 ohms is not enough to protect it? Speakers can short?
I replaced the good speaker with old NIB Jensens at least as big, but I think the sound is worse with stereo speakers than it was with one speaker. Maybe I'm imagining it, but if I fix the 2nd speaker I can find out if I am or not. The old ones are Harmon Kardon and the speaker is only 2 or 2 1/4" but the magnet is really heavy.