macbook question on yosemite

[the cool]

i updated to yosemite and the two finger swipe to go back a page on chrome and safari doesn't work anymore. how do i fix this

 

[Khalil's_Black_Excellence]

Go to your trackpad options and see if you just need to turn it back on.

 

[illadope]

Go to your trackpad options and see if you just need to turn it back on.

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