We’re going to need more details than that.
Please see [HowTo] Make support easier
4.19 is an LTS (Long Term Support) kernel and you have the latest version available from the Manjaro stable branch.
Have you tried any other kernels like 5.4, 5.10, 5.15 or 5.18?
No, it didn’t. I’ve decrypted it for you and edited the post. 