Hi, comtheo!![Working Working](https://errorfixer.co/wp-content/uploads/2016/12/slow-mail-app-mac-os-x.png)
Thanks for using the Apple Support Communities. From your post, I understand that the Preview app is not working as expected. If you try to open a file, you'll see Preview open in the Dock but your file does not actually open. This happens with PDF and picture files. I'd be happy to help!
Give the following steps a try, in order, testing after each.
Free apple powerpoint download. All files will be greyed out except directories-even files that should clearly be openable by preview. For example, files I just looked at with Adobe Reader. I am running 10.5.8 on a dual core intel macbook. I have removed preference files and also tried an identical version/build Preview from another Mac. The magic of psychotronic power ebook. Run Disk Utility. Applications Utilities Disk Utility (or click cmd+space and start typing Disk Utility) to see if there is an issue with your disk. Read about How to use Disk Utility here. MacBook not charging If your Mac laptop isn’t charging here are a few things to try out: Plug it in to a different socket just to rule out an issue with the power point. https://best-video-editing-software-with-effects1.peatix.com.
![Working Working](https://errorfixer.co/wp-content/uploads/2016/12/slow-mail-app-mac-os-x.png)
Thanks for using the Apple Support Communities. From your post, I understand that the Preview app is not working as expected. If you try to open a file, you'll see Preview open in the Dock but your file does not actually open. This happens with PDF and picture files. I'd be happy to help!
Give the following steps a try, in order, testing after each.
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- Quit the Preview app, then hold the Shift key on your keyboard while opening it again.
- Restart your MacBook Pro by clicking the Apple () menu in the upper left of the screen and selecting 'Restart.' from the drop down.
- Try opening your files with Preview in safe mode. You can get information on what safe mode does, how it can help, and how to boot to it here: Use safe mode to isolate issues with your Mac
- Test how Preview functions in a new user account. The following article details what a new user can do to help, and how to create a new account: How to test an issue in another user account on your Mac