Screen lags while typing or freezes completely, if I'm typing fast

[cscs]

…but …
that does not include everything.

Swap? Partitions? Space? BIOS?

Also see this for formatting, etc.

[HowTo] Request support

Difficulty: ★☆☆☆☆ Strong of its many members, the Manjaro support forum can provide you help whenever you have an issue with your Manjaro installation. But in order to work efficiently, we shall also ask you to follow three major points. Provide context Simply signaling an issue is rarely enough to understand how it occurred. It is thus important to provide details on how it happened: Detail prior actions leading to the issue. List solutions and guides you already tried, with links when…

I do notice its an older kernel. So you might try something more recent. Both 6.1 and 6.6 are LTS.