If the page promises a video that has been removed, start by preserving one representative example. It gives the investigation a concrete reference and makes the eventual correction easier to judge.
Find the likely cause
Embedded assets are not included in maintenance checks.
Treat this as an explanation to verify against the actual work. Look at the input, the relevant decision, and the final result together. If the evidence does not support this diagnosis, investigate the mismatch before applying a convenient but unrelated fix.
Make the targeted correction
Restore the relevant video or revise the page to reflect available content.
A video page should help visitors understand, watch, and use the video through clear context and accessible supporting material.
Check that the repair worked
Test playback after any asset or hosting change.
Repeat the check on the final version that the reader or customer will encounter. An approved draft, a preview, and a published result can differ; the acceptance decision should concern the version people actually use.
Prevent the next related failure
A separate issue to watch for is this: a video page contains only an unexplained embed. Add a clear summary, intended audience, and practical takeaway.
Monitor the useful outcome
Track successful playback, relevant viewing behavior, and completion of the task the video teaches.
Keep a short record of the original symptom, the evidence behind the diagnosis, and the result of the acceptance check. That record makes the solution reusable when the same condition appears again, without assuming that every superficially similar problem has the same cause.
Official reference for the platform or standard discussed: Google Search Central: video.