Hello @reema_chawla
Sorry to hear you were having this issue! Hopefully you were able to get it resolved, but if not maybe I can offer some suggestions.
I recommend starting off by making sure that your Chrome browser is up to date. I know that the media record tool does not work in Safari.
If your browser is up to date, try resetting it to default settings - https://support.google.com/chrome/answer/3296214?hl=en
If that does not work for you, try uninstalling Chrome, restarting your computer and then installing it again.
If all else fails, you will want to reach out to Canvas Support.
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