I have an HP 1740 Monitor with built in speakers I am running Linux Mint 13 (32bit) I had to download adobe flash player and i can hear the Linux noises. Ive cxhecked my speaker in put and output on the computer itself and its all normal. however in the righthand corner of my screen where the speaker icon is it is greyed out and i can turn the volume back up but it immediately mutes itself again.....
Please and thak you for your help