Some frames render, then it goes blank

Question

Perplexing problem for days and new project files on end, and I can't get to the bottom of it.

The first five seconds render, then it just stops showing any keyframes I've made. In fact, it is blank. If I scrub the time on a frame with that effect, it shows up. Under full res preview it does not. Auto preview, it plays. Back to Full Res and Render - settings are very normal - and it's blank after the initial time.

- I have trashed my prefs
- I have manually cleared out temp files and cache files, the media cache, the database.
No luck.

There are no third-party plugins or extensions involved. There is an Adobe text preset in a few layers that doesnt even render the text or the image behind the text. But in the first 5 seconds, it does.

Attached is a still frame screenshot showing the stencil luma wipe working.
Attached is a still frame screenshot showing the text on the layer below it.

RAM Preview won't show this. And the render also will not.

Ryzen 7 16-core
2 x NVIDA 1080
Windows 10

It always worked. But in the last 2 weeks even nested comps showed up as black and that isn't even that in this case.

Some throw me a lifesaver, please! 🙂

ElevatedRoast · Accepted Answer

Thanks guys. For starters, I resolved the problem. I do not know why it was there. I was using a null to resize elements in the separate slide comps. I deleted that and did it manually. I also re-imported the png sequence (a brush stroking top to bottom) that would be used as a reveal alpha to the layer under it. The text also now renders. 3 super simple layers and not much to write home (this forum, hah hah) about. I flipped my updated Nvidia drivers from Game to Studio as it's better for content creation, ok fine. ALl my software and drivers are up to date unless I read about a limitation.

But I have a sneaky feeling that the png sequence (now 30 FPS in this comp) that I borrowed from a different AE Project might have had a different FPS. Just a guess until I check. I appreciate Rick's and Cactus' points of suggestions. Wholesale software rendering pref had no effect, nor did the swapping of drivers. Once I started anew by re-importing the PNG Seq, all things cleared up.

I roast coffee, the really really good coffee. (www.elevatedroast.com) And I like to create Instagram videos for my promotions. So I am tipping my cup to you guys. 🙂

ShiveringCactus · Answer

As Rick says, it's most likely a hardware issue.  Try updating your graphics card drivers and switch to software render only by going to File ... Project Settings.

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