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On campus and using a laptop? Make sure you're on the Protected Wifi and not the Guest Wifi.
Is the book already in use by the allowable number of simultaneous users? Most of our EBSCO ebooks can only be accessed by one user at a time, while ProQuest Ebook Central and Cambridge University Press ebooks may have limits of 1-3 users. Safari Tech Books Online allows for 30 simultaneous users across the University of California system.
Try additional web browser. For example, if you're using Firefox, try Chrome.
If you're using Safari on a Mac, definitely try another web browser.
Make sure you are using the latest version of the web browser.
Mouse over the ebook link in the Roger record to see if the URL starts with http://dx.doi.org. There have been some reports of problems with the DOIs resolving. You can often bypass this by going directly to the publisher listed in that link--like Wiley or Springer--and search the platform for the title of your book.
For EBSCO Ebooks:
Some features like placing email notifications for alerts when EBSCO ebook titles are not available if we haven't yet purchased the book.
If you see or "You may read this book for 5 minutes, and request this book from your library at no cost to you." this means we have not added this ebook to UCSD's collection. You can request that we add the book to the collection. You will be prompted to login or create an Ebook Central account before submitting a request.
If you see , someone is currently using the book. You cannot place a hold on a book in use. If you are waiting for a copy, you'll need to periodically refresh your browser to see if the book's status has changed.
Firefox and Chrome users: If your ebook continuously refreshes on the book's detail page, so the page looks like it's "jumping" or "twitching," this may be due to a browser extension that needs to be disabled. ProQuest has a list of extensions that users have reported as causing this error, including the Mendeley web importer in both Firefox and Chrome. Other options:
If you were able to open the ebooks previously with no problems, start disabling browser extensions you have added since the last time you were in Ebook Central. If the troublesome extension isn't already on the ProQuest list, send feedback to that page so they can add your extension (and browser) to the list.
Search using Chrome's Incognito Mode or Firefox's Private Browser.
If you select "Current Chapter" under Print to PDF and get this message: Sorry, your entry exceeds your print allowance for this title. You have ## pages remaining to print, and you have not exceeded the print allowance, enter the chapter start and end pages instead.