It seems like you're experiencing an issue with changing the scaling settings on your Nvidia graphics card in Windows 7. The problem you're facing where the changes don't stick could be due to a few reasons. Here are some steps you can take to troubleshoot this issue: 1. Administrator Rights: Ensure that you have administrative rights when making these changes. Right-click on the Nvidia control panel and choose "Run as Administrator" to ensure you have the necessary permissions. 2. Driver Reinstallation: Try reinstalling the Nvidia graphics driver. Sometimes, a fresh installation of the driver can resolve such issues. 3. Clean Installation: Perform a clean installation of the Nvidia graphics driver. During the...