# How to save changes made on the Prime 4

**URL:** <https://community.enginedj.com/t/how-to-save-changes-made-on-the-prime-4/30805>\
**Category:** Standalone Controllers\
**Tags:** engine-os, hot-cue, grid, prime4\
**Created:** [March 20, 2021, 4:08am UTC](https://community.enginedj.com/t/how-to-save-changes-made-on-the-prime-4/30805 "2021-03-20T04:08:16Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![smokerslownge](https://community.enginedj.com/user_avatar/community.enginedj.com/smokerslownge/32/8149_2.png) [@smokerslownge](https://community.enginedj.com/u/smokerslownge)\
**Post date:** [March 20, 2021, 4:08am UTC](https://community.enginedj.com/t/how-to-save-changes-made-on-the-prime-4/30805/1 "2021-03-20T04:08:16Z")

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I have a playlist made that I would like to play as a live set. While I am practicing, I make hot cues and adjust the gridding of the songs accordingly. The next time I load up my Prime 4 these changes are gone. Is there a way to save changes that are made while live mixing on the controller?

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**Author:** ![mufasa](https://community.enginedj.com/user_avatar/community.enginedj.com/mufasa/32/248_2.png) [@mufasa](https://community.enginedj.com/u/mufasa)\
**Post date:** [March 20, 2021, 9:34am UTC](https://community.enginedj.com/t/how-to-save-changes-made-on-the-prime-4/30805/2 "2021-03-20T09:34:44Z")

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That shouldn’t be happening

What format is the drive the music is on?

ExFat or Fat32?

How much music is on the drive?

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**Author:** ![smokerslownge](https://community.enginedj.com/user_avatar/community.enginedj.com/smokerslownge/32/8149_2.png) [@smokerslownge](https://community.enginedj.com/u/smokerslownge)\
**Post date:** [March 20, 2021, 11:13pm UTC](https://community.enginedj.com/t/how-to-save-changes-made-on-the-prime-4/30805/3 "2021-03-20T23:13:57Z")

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it is ExFat and it has 15GB of music on it with 3 GB free

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**Author:** ![mufasa](https://community.enginedj.com/user_avatar/community.enginedj.com/mufasa/32/248_2.png) [@mufasa](https://community.enginedj.com/u/mufasa)\
**Post date:** [March 21, 2021, 12:12am UTC](https://community.enginedj.com/t/how-to-save-changes-made-on-the-prime-4/30805/4 "2021-03-21T00:12:45Z")

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> [@smokerslownge](#):
>
> The next time I load up my Prime 4 these changes are gone. Is there a way to save changes that are made while live mixing on the controller?

In between sets on the prime4 do you plug the drive to Engine Prime (laptop) e.g adding more songs

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**Author:** ![Zachschneid10](https://community.enginedj.com/letter_avatar_proxy/v4/letter/z/db5fbb/32.png) [@Zachschneid10](https://community.enginedj.com/u/Zachschneid10)\
**Post date:** [January 20, 2024, 6:53pm UTC](https://community.enginedj.com/t/how-to-save-changes-made-on-the-prime-4/30805/5 "2024-01-20T18:53:03Z")

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I am having this same problem. Did you find a way to fix it and have the hot cues stay there?