Why does the sound only come through the headphones?

Question

Audio

Friends, after reinstalling win7, there was such a problem: The sound is only in the headphones, but it is not in the speakers. If you change the input (i.e. pull out the headphones and connect the speakers there), then the sound appears only in the speakers.
PS There is no technical damage to the sockets)

Answer 1

I have an item in the drivers to automatically detect the connection of headphones to turn off the speakers. There are no headphones, but the driver prefers to pretend that they are and cut down the speakers. I turned off the auto-detection of the headphones and the speakers started working.
Creative programmers are VERY bad people.