If it's easily accessible then it is very easy to do so.
That was gonna be my next question. I have no idea how to get a new wifi driver or change the WLAN card 😉 But I can probably figure it out by searching online...
Question is if it should be changed, if that is likely the real issue....
When I asked on a local chat, everyone was blaming it on the internet provider, seems it's been horrible here.
I would add- I had this laptop for almost a year with no issues at all. Then this began...