156 Barnes & Noble NOOK Tablet User GuideTips and TroubleshootingSolving ProblemsThe screen is acting as though I’m tapping on it, even though I am not.If your screen is dirty, it might detect touches when none are occurring. This problem can occur on any touchscreendevice. Wait until your NOOK has timed out and the screen is dark. Then wipe the screen clean with a soft, drycloth.I’m trying to lend a book through Facebook, but the Post button doesn’t seem to be working.Make sure you include a comment with your posting about lending the book. Posting a LendMe offer throughFacebook requires at least a brief comment.I transferred a ZIP archive from my personal computer. Why can’t I access the files?Unzip files on your personal computer before transferring them to your NOOK. Your NOOK can read EPUB files,Microsoft Office files, PDFs, music files, photos, and more, but not .zip files.
