How do I enable the Windows 7 taskbar hover preview?
Solution 1
Right Mouse Click on the taskbar, go to properties and on the first tab, make sure 'Show window previews (thumbnails) is checked.
Solution 2
Right click on Computer » Properties » Advanced system settings » Advanced tab » Performance settings. Here, uncheck/check 'enable desktop composition'.
This will disable/enable preview of windows on the taskbar.
None of the Aero Peek settings or registry edits work.
WARNING: this will result in many other changes and cannot be easily undone.
Solution 3
You need to enable Aero
Right click on your desktop -> personalize
Edit : Or you have recently installed an application that dosen't suport Aero, so you can't reenable it.
Solution 4
For me this was solved by copying (or rather screenshotting) all settings in "personalization", then activating the "Windows 7" theme, applying all settings again and then saving that as a theme.
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y0mbo
Updated on September 17, 2022Comments
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y0mbo almost 2 years
In Windows 7, when you hover over an application in your task bar, a preview is generated showing the contents of the application window.
Another option just displays the names of the windows.
Somehow, I've turned off the preview and it only displays the window names. How do I change it back?
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barlop over 11 yearsThis looks like vista taskbar properties techiecorner.com/wp-content/uploads/2009/04/… Where it says "Show window previews". But this looks like Windows 7 taskbar properties beingpc.com/wp-content/uploads/2011/05/… Notice the Windows 7 one does not have "Show Window previews".
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J. Peterson about 11 yearsSince I can't answer the question directly, I'll post what worked for me here: Try checking your video card's driver. If the driver is out of date, that'll prevent Aero from drawing the thumbnails. I fixed the problem with a video card update.
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J. Peterson about 11 yearsMore useful information here: mydigitallife.info/…
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Dr.jacky almost 9 years@barlop So how to enable this feature?!
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barlop almost 9 years@Mr.Hyde Try another answer. The answerer doesn't know one windows version from another, and the questioner doesn't understand when something is or isn't an answer. If you're on Windows Vista try what he wrote and see how it goes. If you're on Windows 7, go for the answer on here like the other two that have 6+ votes
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Zero3 over 7 yearsWhoa, wait a second there. Enabling/disabling desktop composition will affect many things, not just the taskbar preview. Notably, most Aero-branded effects and flicker prevention when moving windows.