I delete something, then I found that there is no sound in my laptop. I could get sound only when I use headphones. So, please give me any suggestion to solve this problem, and I will be thanks in advance.
You probably desinstall the sound driver of your laptop.
Let me know your PC\Laptop brand name and the complete model number.
Click on the below link and download the file.
https://ccm.net/download/download-1387-cpuz Extract it --> double-click on CPUZ ---> then click on "Mainboard" tab and let us know the Manufacturer , Model with rev number, Chipset & Southbridge.