Check if your PDF reader’s "Bookmarks" tab is populated. If the internal links are truly broken, you may need to use a PDF editor to manually add "Destinations" or "Links," though re-downloading a verified version is usually more time-efficient. 5. Mobile Viewing Fixes
Use a "Liquid Mode" viewer or a reader that supports "Fast Web View." Alternatively, split the large PDF into individual chapters (e.g., "Part I: Molecular Biology of the Neuron") using a PDF splitter tool. Smaller files are much easier for mobile processors to handle. A Note on Ethical Access kandel principles of neural science pdf fix