no sound at all but it shows it working and vollum is at 50 percent

i turn on laap top no sound.everything says it is working but nothing

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2944067:02crwdne2944067:0:

Hi, What is the model number of your laptop and what OS is installed, Win7 or Win 8.1 or Win10?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

Also what is showing it working?

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0