Corebook X Sound control by keyboard issues

Since I bought Corebook X on March 2022, I have issue that can not control sound by keyboard function. There are nothing when press sound function keys (Mute, Vol.UP, Vol.DN)…
I would like to solve it, if possible…

Hello, have you clicked after adding FN?

(post deleted by author)

Yes, I have clicked the F2, F3 or F4 key after adding FN, but nothing change…


Just to confirm, you are clicking F2 F3 F4 while holding down Fn button, right?

Yes, I am clicking F2 F3 F4 while holding down Fn button.
2022年10月16日 9:20 +0100、CHUWI | Official Forum incoming+afc3e94808215584d53ba700159609bd@chuwi.discoursemail.comのメール: