Sometimes of all sudden you computer machine running on Windows 7 shutdown itself and when you try to restart your computer and after logon screen you notice a change in desktop screen resolution all the icon become larger in size along with taskbar. Although until now there is no clue why computers running on different operating systems shut down. But after the shutdown, the screen resolution was changed itself. You can re-change the screen resolution easily without any problem. Also Read: How to Check Graphic Card on Windows 10 How To Reduce The Size of Display Screen in Windows 7, 8 and Windows 10 Basically display screen was controlled by the Display driver installed on your Windows. If you recently upgraded your computer with Windows 10 then you have to update the display to fix this issue Changing Size of Display Screen on Windows 7 and Windows Vista. Consider that all display changes were maintained by the Display settings of windows. So to change the size of the display screen you have to open Display Settings on your machine. In Windows 7 and Windows Vista, you can easily open to Display Settings by Control Panel but there is a shortcut also. That you know below. Step 1 : Right Click on the Desktop Screen (Blank) Step 2 : Choose Screen Resolution from the list Step 3 : In the new pop Window, open Advanced Settings Step 4 : A graphic Family window appears on your screen. In it Click on List All Modes Step 5 : Choose the screen resolution of the display you want it. If you want to reduce the size of a display screen that you've to choose given at the last and hit the OK button. Changing Display Size on Windows 8, 8.1 and Windows 10 The new version of Windows such as Windows 8 and Windows 10 has more control over display settings which is also noticed by you. In Windows, it was very important to have correct screen resolution because it directly affects your eye vision. By the way, you can check your eye vision on your computer without installing any software by this article. Step 1 : Right Click on the Desktop screen and select Display Settings from the given list. Step 2 : Now in the display settings window, you've to open Advance Display Settings. Step 3 : In Advance Settings, you have to choose the size of screen resolution you want. Although the recommend resolution was 1366 x768. But you can change it as you want to. Just remember that the lower the resolution, the larger the content and icon will display on the screen. However, you may also change colour calibration, Type Text and display adapter properties on Windows 10 as I say at the beginning of the article. Windows 10 comes with more control over display settings compare to previous Windows. Subscribe to Us to read more intersecting HOW-TO-GUIDE articles weekly on your email box. Don't forget to follow us on the social networking website.