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Firefox zoom reset at 125%

My new laptop has a 17″ full HD screen and I noticed that in Firefox websites would appear larger than they’re actually are. At first I thought I had accidentally zoomed in a bit but Firefox reported it was at 100%. The cause of this behavior is because Firefox looks at the pixel density of your screen and bases its optimal default zoom level on that.

If you want 100% zoom to be really 100% zoom just browse to about:config and search for layout.css.devPixelsPerPx and change its value to 1.0.

Use an alternative browser to open links in Thunderbird 7 (Xubuntu 11.10)

I’ve been using the latest Xubuntu (11.10) for a couple of weeks now on my netbook and must say I’m very pleased with it. I’ve only got a couple of issues with it, one of them Thunderbird not using my default browser (Chromium), but Firefox, to open external links. But no more! After searching a bit on the internet I got the suggestion for setting network.protocol-handler.app.http and network.protocol-handler.app.https to x-www-browser. Unfortunately this doesn’t seem to work anymore.

The right way to do it now is open your about:config (from the menu: Edit > Preferences > Advanced). Open the Configuration Editor and search for both network.protocol-handler.warn-external.http and network.protocol-handler.warn-external.https. These two are most likely to have a value of false. Change it to true and the next time you’ll try to open a link from some e-mail it’ll ask you which browser to use. Chromium isn’t likely to be shown in the list of choices, so use the navigate button. You can find Chromium at /usr/bin/chromium-browser.

Now to find a fix for my other two problems: netbook won’t recover from sleep mode and somehow it won’t let me use a 1080p resolution through HDMI on a external screen.