PDF not displaying on iBooks or any other App. HELP.

Discussion in 'iPad Help' started by foggyeyes6996, Mar 15, 2011.

  1. foggyeyes6996
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    foggyeyes6996 iPF Noob

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    I have a PDF file that I want to read on the iPad

    The file works on Adobe Reader on my laptop, but iBooks is unable to display it.
    I tried to view it on other readers such as stanza, Cloud reader, and Easy PDF, but they didnt work either.
    The PDF is displayed with blank pages, in all of the apps.
    Can someone help me out ?
  2. foggyeyes6996
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    foggyeyes6996 iPF Noob

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  3. Tim SPRACKLEN
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    Tim SPRACKLEN iPad Legend

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    OK - a first question. Do other PDF files read OK and is it just this particular file that's a problem? If, suddenly, your iPad is unable to read any PDF file then the solution may be to turn the iPad on and off....using the method below..

    However, it really sounds as though there's an issue with the PDF file. The PDF format has evolved over the years and some readers - particularly the 'stripped down' versions on the iPad - can't read some of the newer formats.

    But turning the iPad on and off is an easy first step...

    OK - so here we go -

    The easiest first way to try to solve ‘unexplained’ or ‘unusual’ problems with the iPad is:-

    Restart the iPad. Press *and hold* the Power button. After a couple of seconds a slider control will appear asking you to confirm that you really want to switch the iPad off (this is all you’ll be doing). Slide the control to accept. A rotating white ‘bezel’ will appear in the iPad screen as the iPad powers down (it takes a few seconds, just like it would if you were shutting down your PC). When the screen of the iPad has gone completely blank, press *and hold* the Power button for a couple of seconds until the white Apple logo appears and the iPad starts to power up. This takes several seconds, so be patient. During the power up the automatic screen orientation function is disabled, so don’t panic. A few seconds before the power up is complete, the iPad plays a little ‘jingle’ and then you’re back to the Home screen. Restart the iPad’s app and see if the problem persists. Apple (and Forum members) recommend that you power down your iPad at least once a week, just as you might regularly completely switch off your PC. The normal procedure of just briefly pressing the Power button of the iPad merely puts it to ‘sleep’. Most Forum members have found that one of the two methods I’ve mentioned here cure a whole bunch of unexplained problems and are an easy first step to resolving most anything that happens on the iPad.

    If the PDF is not confidential, send me a Private Message and I'll send you my private email address and I can try to read the PDF file on my iPad. Otherwise, try to find a non-contentious PDF file that suffers the same problem and send it to me.

    We'll try to do whatever we can to help...

    Tim
    Scotland
  4. foggyeyes6996
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    foggyeyes6996 iPF Noob

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    Hi Tim,
    The problem is only with this PDF. As I said, the file appears in iBooks, but when I open it, all the pages are blank. The file is not confidential, and my second post contains a download link.
    other PDFs work fine.
    Also, I uploaded the file to Google documents, and am able to view it successfully on both the laptop, and on the iPad, through Google documents.

    Further, when i clicked on 'download' in Google Documents on the iPad, it opened a window in safari, where the same problem occurred, ie. all the pages were blank.
  5. Tim SPRACKLEN
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    Tim SPRACKLEN iPad Legend

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    OK - I’ve downloaded the document and I’ll look into this - I have a few ideas - probably none of them any good!

    Tim
    Scotland
  6. foggyeyes6996
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    foggyeyes6996 iPF Noob

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    Okay. Any luck ?
    I tried to edit the PDF using NitroPDF but the whole thing just froze.
  7. foggyeyes6996
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    foggyeyes6996 iPF Noob

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    Hmm. figured out the problem and the solution.
    the document was poorly encoded, so I printed it to file, using CutePDF
    Thanks for your time, anyway :D
  8. twerppoet
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    twerppoet iPad Legend

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    Use Save As on your computer's pdf reader to make a new version and try that. There is some kind of compression or image format being used that the iPad's pdf viewer can't handle.

    I downloaded and viewed the document using Preview on the iMac. It worked fine. Then I used Save As to create a new copy. When I checked the file info I saw that the original document was only 7.5 MB while the new one was 339 MB.

    Then I moved both files to GoodReader and tested them. As you said, the original only shows blank pages. The new file however displayed properly. From this I can only guess that there is some kind of compression going on that the iPad's pdf viewer simply can't handle.

    More last minute info discovered as I composed my answer. The file info says the creation software for the original is LuraDocument PDF v2.28. A quick Google search shows that it is PDF compression software. So I guess my theory was right.

    Since pretty much every pdf viewer on the iPad uses the built in iOS PDF engine you are unlikely to find an app that will work with the original file. Though if you contact the site maybe they would know of one. Otherwise you are simply going to have to do as I suggested and use Save As in a computer PDF viewer to remove the compression.

    Last note: GoodReader does have an alternate PDF engine. But I tested both and neither worked.
    Last edited: Mar 15, 2011
  9. foggyeyes6996
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    foggyeyes6996 iPF Noob

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    Yeah, wouldve done that, but I dont have a Mac.
    So i had to download cutePDF, which pretty much did the same thing. My file was 62 MB.
  10. twerppoet
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    twerppoet iPad Legend

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    Feel for you. I've used cutePDF before. It gets a ringing endorsement of, ok for free. Still 62 MB is nice as long as it came out clean and readable.
  11. peled
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    peled iPad Junkie

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    It is a known issue with iPAD. I have about 3% failures with PDF files I download from the Internet ( many Magazines). If it one that I do like, I just perform a print to PdfFactory, that reproduce a PDF file, and now it can be viewed with the iPAD.
    Seems that the iPAD is much more sensitive to the PDF format, then any regular cheap PC
  12. Demandarin
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    Demandarin iPad Addict

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    You should add that reset info to your sig as I've seen you post that countless times..lol. So you won't have to keep rewriting it all the time. It is good stuff though. I'm just kidding around with ya, Congrats again on being a Moderator, Tim ;-)
  13. Novy Pelenkahu
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    Novy Pelenkahu iPF Noob

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    My iBooks worked very well previously. But after I updated into iBooks ver 1.2.2 (351), it cannot read the whole PDF files. I tried to open the PDF files in iFiles and it worked but I prefer use my iBooks accordingly. Any suggestions?
  14. Tim SPRACKLEN
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    Tim SPRACKLEN iPad Legend

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    Did you try the reset tip I mentioned above? That usually fixes problems like this. If not, are there only some PDF files that you cannot read or does this problem affect all of them?

    Tim
  15. Novy Pelenkahu
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    Novy Pelenkahu iPF Noob

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    Thanks for your quick response Tim. I did your suggestion but it didn't work anyway.
    I couldn't read the whole PDF files... I was thinking maybe my iBooks had some problems after I updated...
    Can't wait for the next update for my iBook...or maybe it's better for me to delete my iBooks and reinstall it again. What do you think?
  16. twerppoet
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    twerppoet iPad Legend

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    Sounds like you may need to reinstall iBooks.

    But first, go into iTunes on the computer and make sure all your books are in the Books library. If not, you'll want to transfer your books to iTunes first, to avoid losing anything. You can always re-download the ebooks, but PDF files or book other than ones bought through the iBook Store might be lost.

    If you normally sync your iPad to iTunes, you can skip the next step if you like. Though it is handy, since it will give you more control over when the iPad syncs and does backups.

    Without the iPad connected, go into iTunes, open Preferences, and in the Devices tab turn off auto-syncing.

    Now, with our iPad connected, right click on the iPad under Devices and choose Transfer Purchases. Double check the Books library to make sure they are all now there. If not, then go to the Books tab at the top of the screen and make sure syncing is turned on, and try again.

    Once you are sure that all you books and PDF's are safely stored in iTunes, disconnect your iPad from iTunes, delete the app, go to the App Store and install it again.

    With the app successfully installed, connect the iPad back to iTunes and select it under the Devices list. Go through all the tabs and make sure the sync settings are what you want them to be. Unless you never or seldom sync, you should probably leave them alone for now, just so you don't end up doing too much at one time. Do not turn off anything you normally sync in order to speed things up. This will remove that content.

    Make sure you are set to sync all the books you want on the iPad and sync.

    When you are ready, sync.

    Note: If you make use of the highlight and notes features of iBooks, you will probably lose that stuff this way. The only way to avoid that while when removing and reinstalling the app would be to do a backup before deleting the app and then a restore from backup after reinstalling the app.
  17. peled
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    peled iPad Junkie

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    here is an example of PDF that would show up as white pages on the iPAD.
    It will show up perfectly on a PC.
    That is one of the known problems with the iPad
    See the version and the restrictions

    Attached Files:

  18. Encore74
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    Encore74 iPF Noob

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    export as jpeg and create new pdf

    I had a similar problem with a scanned book downloaded from internet. I was able to see it in MAC but in Ipad all pages appeared as white.

    I tried using the "optimizing" feature of adobe PDF but it worked only partially, I was able to see some random pages in the ipad. Then I tried to use the preflight option of adobe which supposedly fixes pdf according to standards but then the displaying in the ipad was painfully slow, loading a page would take 10 seconds or more.

    What I did finally was export every page to jpeg in good quality using adobe acrobat, and then create a new pdf mixing all the pages. This time it works and I can see it in the iPad all right.

    Good luck
  19. peled
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    peled iPad Junkie

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    You could shorten your time by printing it to an application like PDFfactory, that create a PDF file instead of really printing. I mentioned it on one of the previous replays
  20. ehuang818
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    ehuang818 iPF Noob

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    Hi,
    Is there any version of PDF not readable by iBooks? I've added all my PDFs in iTunes library but after syncing with iPad, it shows only some but not all the PDFs, anything i need to do to make this work? Thanks...

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