PDF documents are secured documents that cannot be edited by users other than the document's creator. When attempting to create a screensaver from a PDF, you will have to convert the PDF file to a JPEG. The reason is that image files are much more universal. For example, browsers have the built-in capability to display images, while handling PDF documents requires an external application or plug-in which may or may not be present. Convert your PDF file to a JPEG using a free online file converter.
Visit a website for online PDF file conversion such as ZamZar.com or YouConvertIt.com. ZamZar.com is a user-friendly option with a high success rate of file conversions. To convert, start by clicking the appropriate button to find the file on your computer. A dialogue box will appear allowing you to search for the file you wish to convert into a screensaver. Select the file, then choose "Open."
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Choose "JPG" as the final format. Input your email address if asked; the site may deliver the file to that address.
Click the "Convert" button. Usually, in less than 30 minutes, you will receive your converted file. Download your JPG image and save it to your computer. Be sure to create a new file labeled "Screensaver [Today's Date]." Place the file on the desktop so that it is easy to locate.
Open the control panel on your computer by clicking on the "Start" menu. Open your "Displays and Appearances" menu and click on the screensaver icon or hyperlink. A dialogue box will open with an image of your desktop screen and your current screensaver. A drop-down menu will give you the option of choosing your computer's photos as a screensaver.
Choose "Photos" from the drop-down menu. Click "Settings." Browse to find the location of the photo you wish to display. Click "Save."