Speed up the display of thumbnails on the taskbar

One of the nicest things about the taskbar is that when you hover your mouse over the icons in it, you can see thumbnail previews of all open windows for each of those applications.

taskbar

When you do so, there is a slight delay before the thumbnail appears. But you can make the thumbnails display more quickly by using a Registry hack.

Important: Always create a Restore Point before editing the Windows Registry.

1. Launch the Registry Editor by typing regedit in the Search box and pressing Enter.

2. Go to HKEY_CURRENT_USER\Control Panel\Mouse.

3. Double-click MouseHoverTime. The default value you’ll see is 400 — which means 400 milliseconds. Type in a new, smaller value — 150 is a good bet. Then click OK and exit the Registry Editor. You’ll have to log off or restart your computer for the change to take effect.

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