Computer won't recognize that there are speakers plugged in

if this is the type that is self powered , I be carefull in hooking other types of speakers up to this as in most cases the sub powers the satellite speakers as well , wire mismatch would/could damage your pc's sound card as well
blue tooth connected speakers are just not that expensive nowdays to risk damaging your pc's soundcard

Here you go. ATP3 Wiring Diagram

The problem is not with your speakers.
When you upgrade to a new Operating System, sometimes your hardware is not recognized correctly by the new OS.
In your computer, the sound card is not installed correctly. Search for Windows 7 sound drivers for your sound card and install.
If you think the problem is with your speakers, you can check by connecting them to another computer or an audio device.

hello waiyasin, this altec lancing don't need a driver, it just plug and play hardware. if there is a problem with the driver, try to install sound driver from your motherboard driver. if u use external sound card, try to install sound driver from the sound card driver. if u have problem how to install the driver then u just need open the device manager. u can find it on control panel. once u open the device manager window, insert motherboard driver (or sound card driver if u use external driver) into CD Rom. in device manager window u will find sound or audio device, right click it and choose update driver then follow the instruction. that's it.
hope this useful, regards.
NB: if u don't have motherboard (or sound card driver) try to goggling it or reply this solution with your motherboard name (or sound card name), maybe i can help to find your driver.

you can hook it up to your tv if you have a 3.5mm headphone output jack on the tv :) any powered speaker can get a signal from that jack. mind you, this is only a stereo signal so if you are running a surround setup 5.1 and up you won't have all the channels for your speakers.

try opening the center speaker or the woffer casing, check the out put amplifier ic, it is burn out

what happens when you plug the speakers in the green port? You might want to try the other audio ports because on a few new computers i have seen the speakers have to be plugged in a different hole. also make sure the speakers are plugged up to the electric plug.

hi Avsandrick
Happy Holidays!
Doing a driver search don't help much, so I recommend 2 things here, wait until MS, make a Service Pack Cd, for Vista, or go to the Altec Lansing Page and see if for your particular model, there are drivers for vista.
other than that, a generic sound driver, could fix the problem.

yeah. dude go to radio shack or a similar equivelent and they'll have all the parts as well as the instructions or even the abilities to fix it right there. Try it!

Double check your connections. Still not working fine. Remove the input jack connector and try to touch or hold the tip of the connector, also adjust the volume of the speaker, you should heard loudly the 60 hertz sound of your body signal. Otherwise you have a defective amplifier in the speaker system.