Please try enabling the newer kernel version available for 20.04:
sudo apt install linux-generic-hwe-20.04
and then reboot.
** Summary changed:
- [20QTCTO1WW, Conexant CX8070, Speaker, Internal] No sound at all
+ [Lenovo ThinkPad P1 Gen 2, Conexant CX8070, Speaker, Internal] No sound at all
** Changed in: pulseaudio (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1946153
Title:
[Lenovo ThinkPad P1 Gen 2, Conexant CX8070, Speaker, Internal] No
sound at all
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