I can confirm this on my HP Mini 1000, though it's more in line with what Andrej Zirko mentioned in comment 5. Unchecking "Reduce backlight brightness" and "Dim display when idle" under the battery tab in the Power Management Preferences fixes it, found here: http://ubuntuforums.org/showpost.php?p=6153003&postcount=10
I can confirm this on my HP Mini 1000, though it's more in line with what Andrej Zirko mentioned in comment 5. Unchecking "Reduce backlight brightness" and "Dim display when idle" under the battery tab in the Power Management Preferences fixes it, found here: ubuntuforums. org/showpost. php?p=6153003& postcount= 10
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