Why is NotebookLM unable to answer my questions?
There are a few reasons why NotebookLM may not be able to answer your question:
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Safety flags: The content of your source contains language that triggers a safety flag. This can occur with sensitive topics like violence, sexuality, or obscenity, even in historical contexts.
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Unclear phrasing: When your notebook contains many sources, NotebookLM retrieves the most relevant information based on your question first, then builds a response with this information. Try to rephrase your question to be clearer or more specific. A more specific question helps NotebookLM locate the most relevant pieces of information.
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Information not in sources: NotebookLM is designed to answer questions based on the information provided in your uploaded sources.
Why will my source not import into NotebookLM?
Sources can’t be imported into NotebookLM if:
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It exceeds the allowed 500,000 word limit per source.
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The file size exceeds the allowed 200MB limit.
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Your original PDF file is copy-protected.
Can I recover deleted notes from NotebookLM?
No, deleted notes cannot be recovered.