: Why would an IE8 in a desktop has a 'Tablet PC 2.0' in its user-agent string? I am just curious, why would a windows 7 desktop, installed with ie8, have Tablet PC 2.0 in its user agent

@Pope3001725

Browser manufacturers like to cram unecessary information into their user-agent strings for a variety of reasons. Originally it was to fool browser sniffers that were excluding IE from their website (that's why you see Mozilla/4.0 (compatible; in IE's user-agent). It looks like Microsoft is cramming everything IE8 can be used with into its user-agent which isn't particularly useful, and in this case, problematic.

You can change your user-agent if you want but that won't change the fact that every other IE8 user will get the mobile version of your site. A better solution would be to improve the browser sniffer you're using and account for this in it. Or better yet, use a responsive design instead.

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@Turnbaugh106

This looks to me like a Media Center PC with the tablet edition of Windows 7 or Windows 2008 Server R2 installed (Both Identify as NT 6.1). Hardware like this shows up with a similar string.

Take a look at User Agent Strings for more help.

Personally I avoid using browser strings to select for tablet and mobile, its much more practical to use screen resolution and you're less likely to have fragmentation issues with the wide array of android tablets, phone and tablet/phones. My answer to this question covers the subject in more detail.

e.g.

<script type="text/javascript">
<!--
if (screen.width <= 699) {
document.location = "domain.com";
}
//-->
</script>

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