You are using software and an OS installed by the previous owner. You need to wipe the drive completely, then install the original OS that came with the computer originally. It should be on an installer DVD the old owner should have provided. If you don't have the discs then you will need to get the retail Snow Leopard DVD: You can purchase Snow Leopard through the Apple Store:Mac OS X 10.6 Snow Leopard - Apple Store (U.S.). The price is $19.99 plus tax. You will be sent physical media by mail after placing your order.
- Why Won't Creative Cloud Download
- Why Won't Adobe Reader Download
- Why Won't Adobe Photoshop Download
- Why Won't Adobe Flash Download
- Why Won't Adobe Work
After you install Snow Leopard you will have to download and install the Mac OS X 10.6.8 Update Combo v1.1 to update Snow Leopard to 10.6.8 and give you access to the App Store.
Why won't my Mac download Adobe flash player? I just got this iMac a few days ago and it won't download adobe flash for some reason. I can go on youtube but the videos won't play for me. I would think that a reader would come pre installed but it didn't. It had Adobe air, but still would not open a pdf. I uninstalled and reinstalled from Adobe site several times, but it still wouldn't open. I finally had to get another reader but I want adobe since everyone is alreaqdy familiar with thier symbol.
Clean Install of Snow Leopard
Why won't Adobe Flash Player download from the official website for my Mac OS? I just bought and opened my Macbook Air today, the 11 inch one. I want to upload videos on my computer directly from my Mac onto youtube.com and want Flash Player to work even though I know there are other options available for recording and posting videos from my Air. Most older, unsupported versions of Adobe apps are not available using 64-bit architecture,” explains Adobe. Such an issue with app compatibility is not uncommon in the computing world.
1. Boot the computer using the Snow Leopard Installer Disc or the Disc 1 that came
with your computer. Insert the disc into the optical drive and restart the computer.
After the chime press and hold down the 'C' key. Release the key when you see
a small spinning gear appear below the dark gray Apple logo.
2. After the installer loads select your language and click on the Continue
button. When the menu bar appears select Disk Utility from the Utilities menu.
After DU loads select the hard drive entry from the left side list (mfgr.'s ID and drive
size.) Click on the Partition tab in the DU main window. Set the number of
partitions to one (1) from the Partitions drop down menu, click on Options button
and select GUID, click on OK, then set the format type to MacOS Extended
(Journaled, if supported), then click on the Apply button.
3. When the formatting has completed quit DU and return to the installer. Proceed
with the OS X installation and follow the directions included with the installer.
4. When the installation has completed your computer will Restart into the Setup
Assistant. After you finish Setup Assistant will complete the installation after which
you will be running a fresh install of OS X. You can now begin the update process
by opening Software Update and installing all recommended updates to bring your
Download and install Mac OS X 10.6.8 Update Combo v1.1.
When you have 10.6.8 installed you can then access the App Store and download El Capitan:
Upgrading to El Capitan
To upgrade to El Capitan you must have Snow Leopard 10.6.8 or Lion installed. Download El Capitan from the App Store. Sign in using your Apple ID. El Capitan is free. The file is quite large, over 5 GBs, so allow some time to download. It would be preferable to use Ethernet because it is nearly four times faster than wireless.
Macs that can be upgraded to OS X El Capitan
1. iMac (Mid 2007 or newer) - Model Identifier 7,1 or later
2. MacBook (Late 2008 Aluminum, or Early 2009 or newer) - Model Identifier 5,1 or later
3. MacBook Pro (Mid/Late 2007 or newer) - Model Identifier 3,1 or later
4. MacBook Air (Late 2008 or newer) - Model Identifier 2,1 or later
5. Mac mini (Early 2009 or newer) - Model Identifier 3,1 or later
6. Mac Pro (Early 2008 or newer) - Model Identifier 3,1 or later
7. Xserve (Early 2009) - Model Identifier 3,1 or later
To find the model identifier open System Profiler in the Utilities folder. It's displayed in the panel on the right.
Are my applications compatible?
See App Compatibility Table - RoaringApps
Feb 6, 2016 11:02 AM
Most people prefer to share their documents in the PDF format since it is more accessible on almost every platform and operating system. In some instances, however, you may find that PDF won’t open on your computer. If you do not know how to fix the “PDF won’t open” issue, you may end up getting frustrated.
In this article, we have all the solutions you can use when you can’t open PDF. Before we show you the solutions, let’s see some of the reasons your PDF won’t open.
Related Read: How to Open PDF in a Word Document?
WhyPDF Won’t Open on Your Computer
The Reasons Why you Can’t open PDF documents on your computer:
- 1. You are using an outdated PDF Reader.
- 2. If you can’t open PDF via Adobe Reader, the file you are trying to open could be a non-Adobe document – while it could be a PDF, it could have been created using a different third-party application whose format is not supported by Adobe Reader.
- 3. The PDF file is damaged or corrupted.
- 4. Some of the PDF Reader application files are corrupt.
- 5. The PDF Reader is installed improperly.
- 6. The PDF file is not recognizable – Your computer uses the .pdf extension to know that the document is a PDF and to determine the application to use in order to open it. If your document was sent via the email, the .pdf extension could have been stripped away. This will make the document unrecognizable.
What to Do when PDF Won’t Open?
1. EnsureYou Have a PDF Reader on Your Computer
In some cases, your PDF documents will not openbecause you have not installed an ideal PDF reader on your computer. If a PDFreader is lacking on your computer, the only ideal solution to “can’t open PDF”issue is to install a reader. The steps below should help you implement thissolution:
Step 1:Visit https://get.adobe.com/reader/ and download Adobe Reader(this is one of the best PDF Readers).
Step 2: Once you download the installer,simply click on it and then follow the onscreen instructions to complete theinstallation process.
Step 3: After installing the program, test tosee whether your PDF opening issue is gone. To do this, locate a PDF file,right-click on it > choose Open With… > Select Adobe Reader. Yourdocument should open. If it does not open, move on to the next solution.
2. AssociatePDF Files with Adobe Reader
You could be dealing with the PDF won’t openissue because Adobe Acrobat Reader is not your default PDF viewer. Byassociating the files which have the .pdf extension with Adobe Reader, you maybe able to get rid of the PDF not opening issue.
Step 1:Click the Windows Start button and then choose Settings.
Step 2:On the Settings Window, select Apps.
Step 3:Under Apps and Features, choose Default Apps on the left-hand column.
Step 4:Scroll down to “Choose default apps by file type”.
Step 5:Locate the PDF file type and then hit the “+ Choose a default” option whichshould be available to the right.
Step 6:After hitting the plus icon (+), select Adobe Reader as the default PDF viewer.
Step 1:Locate a PDF file on your Mac and select it. Control-click the file to open themenu and then select Get Info.
Step 2:From the “Open with:” section, select the Adobe Reader as the default PDFviewer.
Step 3:Hit the Change All button and then click Continue on the subsequent dialog box.
3. Replacethe nppdf32.dll File if You Can’t Open PDF in Firefox
If it is impossible for you to open a PDF file inthe Firefox browser, replacing the nppdf32.dll extension should help youeliminate your issue. The following steps should show you how to do this:
Step 1:Close Firefox.
Step 2:Go to c:program filesmozilla firefoxplugins and delete nppdf32.dll.
Step 3:Visit c:program filesAdobeReader 8.0ReaderBrowser and search for “nppdf.”. Copy it to the folder whereyou deleted nppdf32.dll. Try to openyour PDF file again in Firefox.
4. How toFix PDF Won’t Open After Updating Your Windows Operating System
In some instances, updating your operatingsystem, say, from Windows 7 to 8 or 10, could make it impossible for you toopen your PDF files. If you are facing this problem, the steps we have outlinedbelow should come in handy:
Step 1:Press the Start button and then search for “Adobe Reader”. Once Adobe Readerappears, click its icon to launch it.
Step 2:Once the application opens, hit the Edit button on the left corner of the page.
Step 3:Scroll down on the page that appears and then choose Preferences.
Step 4:Tap Security Enhances. Locate Sandbox protection and then click (uncheck) thechecked box next to “protected mode at startup”.
Step 5:Save the changes. This should get rid of your issue.
5. RepairAdobe Acrobat Reader or Acrobat DC
In some instances, you can’t open PDF because theresources that Acrobat Reader or Acrobat DC depend on are corrupted or damaged.You can try repairing the resources and then try to open the PDF documentagain. The steps below will help you with the repair process:
Step 1:Open Adobe Acrobat Reader or DC. Select Help > Repair Installation.
Step 2:Wait until the repair process is complete and then try to open the PDF fileagain.
6. Consider Adding a .PDF Extension to Your File
If a PDF file does not have the .pdf extension,your operating system won’t know that it is a Portable Document Format file.The Operating System won’t even know which program is supposed to open thefile. As noted earlier on, files sent via the email may lack the extension.
The most ideal way to open a PDF file that doesnot have the .PDF extension is to add the extension. The steps below shouldhelp you add the extension to your document on Windows:
Step 1:Locate the file whose extension is missing.
Step 2:Right-click on the file and then choose Rename.
Step 3:Add the .pdf extension and then hit Enter on your keyboard.
Why Won't Creative Cloud Download
Step 4:Next, try opening the file again.
7. Try to Fix the File If It is Corrupt
If none of the solutions we have outlined abovehave worked for you, there is a chance that the PDF file is corrupted. The mostideal way to get a corrupted PDF file to open is to first fix it. You caneither use desktop programs or online programs to fix a corrupt PDF file. Bothonline and desktop programs have their benefits and limitations.
Why Won't Adobe Reader Download
Online programs are ideal for documents whichdon’t contain any private information. This is because once you upload thedocument to a third-party server, you won’t have the ability to control who canor cannot open the file. On the plus side, online programs are usually free.
Desktop programs should help you protect yourprivacy. However, the problem is that most of the programs require you topurchase a license.
Why Won't Adobe Photoshop Download
By simply doing a simple search on a searchengine like Google, you should be able to find both online and desktop toolsfor repairing PDF files. Below, we will show you how to repair a PDF file usingan online tool known as ilovepdf.com:
Step 1:Visit https://www.ilovepdf.com/repair-pdf
Step 2: Upload the document you would like torepair – you can drag and drop the file or tap the Select PDF file button. Youcan also upload the file from Google Drive and Dropbox.
Why Won't Adobe Flash Download
Step 3: The tool will attempt to repair yourPDF file. Once the repair process is complete, you can go ahead and downloadthe document and try to open it again.
Why Won't Adobe Work
Ifyou can’t open PDF on your computer, this article has solutions you can use toget the PDF documents to open. As noted at the beginning of this article, thereare different reasons why PDF files may not open on a computer. Sincepinpointing which reason is behind the “PDF won’t open” issue may not be possible,you should try all the solutions we have outlined above.