Aero Peek is a new feature introduced in Windows 7, which allows you temporarily view the desktop, without having to minimize all the open windows. You can temporarily preview the desktop by moving the mouse pointer over the Show desktop button at the end of the taskbar. The default hover delay is 1 second. If this time is too short for you, you can delay it further more to avoid accidental preview of the desktop, using the registry hack discussed in this article.

Increase Aero Peek Desktop Preview Mouse Hover Delay

1. Click Start, type Regedit.exe and press ENTER

2. Navigate to the following location:

HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Advanced

3. Create a new DWORD (32-bit) value named DesktopLivePreviewHoverTime

4. Double-click DesktopLivePreviewHoverTime and click Decimal

5. To increase the hover delay to 3 seconds, type 3000. Similarly, type 4000 for 4 seconds and so forth…

6. Exit the Registry Editor.

7. Logoff and login back.

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2 Comments

  1. said this on Friday, July 31st 2009 9:50 pm

    After doing some research on the internet, I luckely found something similar for the taskbar thumnails that works.

    Simply by adding a DWord in the same location as above with the name: ExtendedUIHoverTime followed by a value in miliseconds (for example 20) makes it alot faster then usual speed.

    Thanks again for finding the first step on your site!

  2. said this on Sunday, July 26th 2009 3:08 pm

    Thanks, I was always looking for speeding up those hovering options. Is it possible to make the taskbar thumnails show almost instantly when i hope over the icons? I hate to ‘wait’ all the time for the thumbs to show up.

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