This worked for me:
Kernel resolve problem: https://people.canonical.com/~khfeng/lp1853277-hack-5/
Article: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861610
Solved Model: Lenovo ThinkBook 14-IIL
SO: Ubuntu 20.4.1
This worked for me:
Kernel resolve problem: https:/ /people. canonical. com/~khfeng/ lp1853277- hack-5/
Article: https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1861610
Solved Model: Lenovo ThinkBook 14-IIL
SO: Ubuntu 20.4.1