Videos on layers won't replay

Hi there, so I've encountered a problem with getting videos on layers to replay once the layers have been shown. Basically I have a slide where the base layer is essentially a "home" layer. On the base layer there are 2 hotspots. Each Hotspot triggers an "opening" layer with video, which automatically advances to another layer containing more info. On the more info layer, there is a "Back" button which triggers a "Closing" layer with another video, which then hides the layer when complete to take the user back to the base layer, in order to choose another option/hotspot. Everything works perfectly the first time a hotspot is selected, but once back on the base layer, the "opening" layer videos won't play and are just stuck at the first frame.

Videos are mp4, encoded in h.264, and are locally stored. Some of the "opening" layer videos are the same file but edited/trimmed using the built in Articulate video editor.

I've tried:

1.Setting all layers to "Reset to Initial State" when revisiting

2. Using a "Jump to Slide" trigger instead of "Hide Layer" trigger to get users back to base layer (While slide was set to "Reset to Initial State" in slide properties)

3.Using "Hide Layer" triggers when "media completes"

I just don't know what else to try to get this working. I've built a mockup slide using a different mp4 video and the same problem persists. Any help on this would be greatly appreciated! Here's the mock up slide: