The notifications bar on my phone won't drag down, how do I fix this?

I have a droid maxx it won't drag down I tried tapping it and opening it while in a app but I have got no results I am completely lost

If you're sure that phone has that feature, Try a Cache Partition wipe.

Posted via the Android Central App

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..... also if there is a case magnet near that area it can temporarily make it unresponsive until removed.

There isn't but thank you

How do I do it
:-[

Wipe the Cache Partition? Thus:
https://motorola-global-portal.custh...,8882/kw/cache

Posted via the Android Central App