Increase Taskbar Thumbnail Size

by Eric Geier [Published on 11 Jan. 2012 / Last Updated on 7 April 2011]

Make window previews on taskbar bigger.

When you have the Aero theme enabled in Windows 7, you see thumbnail previews of the opened windows when hovering over the icons in the taskbar. If you find the thumbnails are too small, you can increase their size by adding the following Registry entry:


Key: Software\Microsoft\Windows\CurrentVersion\Explorer\Taskband

DWORD Name: MinThumbSizePx

DWORD Value: (size in pixels)

Maybe start with 350 pixels. You must restart for the change to take effect.

The Author — Eric Geier

Eric Geier (Dayton, Ohio) is a Freelance  Tech Writer and Author specializing in computer networking. He's also the Founder and Owner of NoWiresSecurity, which provides a hosted cloud-based RADIUS service to help businesses easily secure their Wi-Fi networks with the Enterprise (802.1X) mode of WPA/WPA2 security. He’s also the Founder and Owner of On Spot Techs, which provides on-site computer and technology services.

Latest Contributions

Featured Links