by Microsoft. Applies to: Windows 10Windows Windows 7 You can use Magnifier in three different views: full screen, lens, or docked. Since a typing program was installed, the option to select full screen on the magnifier is greyed out. Un-installing the typing software didn't. Windows 7 magnifier wont work on full screen. I have the display set on aereo view, as it is said to run magifier in full screen. I started having. The Magnifier - Full Screen Software Magnifier [Download]. by Innovation Management Group, Inc. Platform: Windows Vista, Windows 8, Windows, Windows XP. How to use the Windows 7 Magnifier to Make the Computer Screen Full-screen mode—In full-screen mode, the entire screen is magnified. This page explains step-by-step how to use Magnifier, the built-in magnification feature in Windows 7. You can choose whether you want full-screen. The Windows magnifier lets you increase text to a very large size. . In Windows 7 the magnifier will only fully work with Full Screen mode and Lens mode if the. Scroll to the "Desktop Window Manager Session" service. Or try switching to another Magnifier mode: Ctrl+Alt+F for full screen, Ctrl+Alt+L for.