Desktop Preview is a new feature in Windows 7 which is otherwise also known as Aero Peak (Desktop Preview is a feature enabled by Aero Peek desktop enhancement function). Desktop Preview allows user to temporarily minimize all open windows and make open windows transparent in order to preview what is on desktop when user place the mouse pointer to mouse over the “Show Desktop” bar on the far right end of the taskbar.

Note: As Desktop Preview of part of Aero Peek feature, the Windows 7 must be configured to enable and turn on Windows Aero Glass feature, and must select a Windows Theme, and not one of the Ease of Access Themes for Desktop Preview to work.

Normal Windows 7 DesktopDesktop Preview Windows 7

Illustration above shows the effect of Desktop Preview, where user mouse over the Show Desktop (without actually clicking on it) on the far end of the Windows Taskbar.

Method 1: Enable or Disable Desktop Preview through Taskbar and Start Menu Properties

  1. Right click on the Start button and click on Properties, or right click on any empty space on the Taskbar and click on Properties.
  2. Go to the Taskbar tab.
  3. To turn on Desktop Preview (which is also the default setting), check and tick the Use Desktop Preview checkbox.

    Enable of Disable Desktop Preview

    To Turn Off Desktop Preview, uncheck and untick the Use Desktop Preview check box.

  4. Click on OK.

Method 2: Turn On or Turn Off Desktop Preview Via Show Desktop Button Bar

  1. Right click on the button bar on the far right end of the Windows Taskbar.
  2. To turn on Desktop Preview (the default configuration), select Preview desktop on the context menu so that a tick is displayed next to ti.

    Enable or Disable Preview Desktop

    To turn off Desktop Preview, unselect Preview desktop on the context menu so that the tick is removed.

Desktop preview has been renamed as Aero Peek, and here’s how to disable and turn off Aero Peek feature.