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I am using Chrome 6.0.472.0 dev and the New-Tab-feature. Some of my (sticky) previews were created in an "unlucky" moment, eg. superuser.com before I logged in

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or GMail ... for whatever reason that preview is empty:

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How can I force Chrome to refresh a particular preview?

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  • 3
    Fail for using JPEG for screenshots.
    – Hello71
    Commented Jul 24, 2010 at 18:04
  • 5
    indeed, it is the most important issue right now. it is absolutely unclear what the question is about without having the right .png screenshots.
    – akira
    Commented Jul 24, 2010 at 20:03

2 Answers 2

Reset to default
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It doesn't seem like there's an option to do this, but... the ugly way is:

Go to

%USERPROFILE%/AppData/Local/Google/Chrome/User Data/Default

and delete Thumbnails (no file extension), then visit each page on your new tab page. The path may be slightly different for operating systems other than Windows 7.

courtesy of skier88

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  • This works only for older versions of Chrome. As of February 2013, there's no Thumbnails file any more.
    – That Brazilian Guy
    Commented Feb 11, 2013 at 15:17
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    In newer versions, the file is "Top Sites". Deleting the file is probably not necessary, however. If you "open in new tab" the thumbnail will not refresh. You have to left-click and let the page load in the current tab to get a new thumbnail.
    – Ron
    Commented Feb 21, 2013 at 14:01
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One option is to go to the %USERPROFILE%\AppData\Local\Google\Chrome\User Data\Default directory and delete the Top Sites file (if using Chrome 14; in older versions it was called Thumbnails), but that will remove also the other settings of the New Tab page.

A better option is to get SQLite and reset only the thumbnail data. Download the SQLite binary, unpack it to the above mentioned directory, and run the following command:

sqlite3.exe "Top Sites" "update thumbnails set thumbnail=null"

After that the icons on the New Tab page will be broken, but they will be updated after you visit each of the pages once.

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3
  • still works for Version 20.0.1123.1 dev
    – Jeffrey04
    Commented May 3, 2012 at 10:32
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    ...but not for version Version 23.0.1271.95 m...
    – Bobort
    Commented Dec 6, 2012 at 21:16
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    Works for 24.0.1312.57 m
    – That Brazilian Guy
    Commented Feb 11, 2013 at 15:28

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