cannot access proxmox gui

Brand new here: I installed and am attempting to complete my proxmox server setup via ethernet but I cannot Access the Proxmox Web GUI. I know it's a networking issue and I think maybe it has to do with subnet misalignment but I'm not positive and even if so, I don't know how to correctly...

I'm trying to install proxmox on an old laptop. This is my first time trying out proxmox and I'm trying to setup a small lab so I can experiment. Installation went smoothly but I cannot access web dashboard afterwards. I can ping the server from my laptop but SSH doesn't work. Even the ping...