I'm using an iBook G4 (the latest one) and Firefox. And seemingly at random, the two finger scrolling stopped working. Is there any option in the preferences that I might have touched by accident? Would switching themes cause this to happen?
switching themes should not cause your scrolling to change, maybe there is a keyboard shortcut you hit. go into your preferences and search around your mouse/trackpad options and see if you can turn it back on.
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