Win7 taskbar thumbnail What's missing?

If the taskbar thumbnail cannot be displayed,

You can try the following steps:

First right-click the taskbar to open the taskbar properties,

Check "preview desktop with Aero Peek",

Try to see if you can display thumbnails?

If still not, then:

Open: "Computer"

→ "System Properties"

→ Advanced System Properties

→ "Advanced"

→ First row of "settings"

Select "Let Win7 choose the best setting" (recommended)

Or simply check "Enable Aero Peek"

Finally "OK"

If not, that is the desktop theme can not,

into "personalization",

Use the topic in the "Aero theme" column.

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