You can't use the notebook screen through the HDMI cable, because the HDMI interface on the notebook can only output, not input.

Web page link

If you have logged in through Remote Desktop Connection before, you only need to get the website address of Raspberry Pie.

Get a link to the method page, so that you can use the laptop screen through remote desktop.

If you are starting from scratch, you can try the web link according to this.