I suggest you backup your personal files and Reset your computer, resetting your PC reinstalls Windows but deletes your files, settings, and apps—except for the apps that came with your PC. Restoring your PC is a way to undo recent system changes you've made.
You can create yourself a Hiren’s Boot CD and boot into Mini XP from Hiren’s Boot CD you will have lots of backup software you can use within Mini XP or you can just use Windows Explorer to copy your personal files.
That all went fine. Now I'm having a problem connecting to the internet. When I troubleshoot the connection it tell me an Ethernet cable isn't connected. I checked all cables and their all connected .
Please uninstall and install latest version of network card driver, you can found the network card driver from either your computer manufacturer website or network card manufacturer website.