Monitor HP 24F without sound

[LisaTedeschi]

Hello to everyone. I just purchased an additional display (HP 24F) for my mother and suddenly she said the audio is not working. I don't know if the monitor itself comes without audio (I have searched online and looked at the manual but couldn't figure it out!) or if there is a real issue. The HDMI cable is okay. The PC recognizes the display and when I try the audio (right click on the audio icon, bottom-right of the desktop) it seems like it is perfectly working but no sound comes off. 

[banhien]

@LisaTedeschi 

The monitor does NOT have speakers, its specs

     https://support.hp.com/au-en/document/c05874229

You can't get sound from monitor. Where do you connect it to ? Machine may send sound thru HDMI port (which does not have speakers) therefore your can disable HDMI sound and enable default sound. For Windows 7 please

   (a) Right click speaker icon (bottom right),

   (b) Select Play back devices,

   (c) Disable HDMI sound (or 24F),

   (d) Enable  sound (sorry, I don't know your machine therefore can't say which one, may be Realtek)

   (e) Click Apply/Ok

Regards.