If the speakers are not working on a laptop, what could be the problem besides the speakers?

CPU

LCD

Sound card

Video card

Sound card

Explanation:

In computer or laptop music or sound files are stored in digital form. Sound card is the the device that is used to convert the digital form of music into analog to produce the signal that is compatible with speaker or microphone.

If the speakers are not working on the laptop, means there is no sound produced on speakers. It means that sound card is not working properly.