I pressed the Windows and A keys. I do not see any brightness slider.

Thank you, Alex George, for your reply. I do not know if this laptop has an extra RAM slot. Is there any method to check whether it has an additional RAM slot?

I purchased a Windows 11 laptop with 8GB RAM. After a few weeks of use, I feel the need for extra RAM. Is it possible to add extra RAM to a Windows 11 laptop?

I have a Windows 11 laptop, and its screen is too bright. How can I change the monitor brightness of this Windows 11 laptop?