Displayport to HDMI no audio have video

Question

Lenovo M58 Thinkcentre

Operating System: Kubuntu 20.04 KDE Plasma Version: 5.18.5 KDE Frameworks Version: 5.68.0 Qt Version: 5.12.8 Kernel Version: 5.4.0-54-generic OS Type: 64-bit Processors: 2 × Intel® Core™2 Duo CPU E8400 @ 3.00GHz Memory: 3.3 GiB of RAM

Displayport to Input 5 HDMI 5 HDMI 5 of a Sharp TV

Have video but no audio Settings display Sharp HDMI (HDMI-1) 1360 X 768 Sharp TV LS-52D85U

No HDMI option on audio

Tried suggestions at these links with no luck

• https://itsfoss.com/how-to-fix-no-sound-through-hdmi-in-external-monitor-in-ubuntu/

• https://itsfoss.com/fix-sound-ubuntu-1404/

• HDMI sound not working after upgrading to 20.04

  aplay -l

List of PLAYBACK Hardware Devices

card 0: Intel [HDA Intel], device 0: AD1882 Analog [AD1882 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 2: AD1882 Alt Analog [AD1882 Alt Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

Answer 1

I'm guessing your DisplayPort adapter doesn't support sound. Replace it with hardware that does support audio. A quick search on Amazon should find one. Just make sure it has audio support