Mac Sierra D Manual Display Error


Preview User Guide

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You can open PDFs and images in Preview, change how documents are shown in the Preview window, and get information about the files.

Open PDFs and images

You can double-click a PDF or image file to open it by default in Preview. You can also open Preview and select the files you want to view.

  1. In the Mac OS X System Preferences for the Wacom Tablet, you can create customized tool settings for an application. For example, you can disable the pen buttons for use in Motion but set button 1 to act as a double-click for another application.
  2. How to enable an extended DisplayLink display on macOS 10.13.4-10.13.6 with 4.3; Mac OS X system does not boot correctly; Apple Cinema Displays: only 1 resolution available; Screen rotation option is not available on Mac OS X; A window spanning two monitors is blank on one display on Mac OS X.
  1. In the Preview app on your Mac, choose File > Open.

  2. Locate and select the file or files you want to open, then click Open.

    Tip: To open a file you’ve worked on recently, choose File > Open Recent.

To open a document in iCloud Drive, click iCloud Drive in the Finder sidebar, then double-click the PDF to open it. See Use iCloud Drive to store documents.

From the desktop, you can also select a file or files, then choose File > Open With > Preview.

If you open multiple files at the same time, you can set them to open in the same Preview window or open in tabs.

View PDFs or images

When you open a PDF with multiple pages, you can view thumbnails of all the pages in the sidebar.

  1. In the Preview app on your Mac, open a PDF or image that you want to view.

  2. Do any of the following:

    • Show thumbnails: Choose View > Thumbnails or View > Contact Sheet.

    • Show a document’s table of contents (if it has one): Choose View > Table of Contents.

    • Close the sidebar: Choose View > Hide Sidebar.

    • Show pages in a continuous scroll: Choose View > Continuous Scroll.

    • Show one page at a time: Choose View > Single Page.

    • Show two pages side by side: Choose View > Two Pages.

    • Scroll pages: Swipe up or down on the trackpad using two fingers.

    • Go to a specific page: Click a thumbnail, or choose Go > Go to Page.

    • Go to the previous or next page: Click the Previous button or the Next button in the Preview toolbar. (If you don’t see the buttons, choose View > Customize Toolbar, then add them.) If your Mac has a Force Touch trackpad, you can accelerate through the previous or next pages by pressing and holding the button, then adding pressure; the more firmly you press, the faster you move through the pages.

Change how thumbnails are shown

If a window sidebar contains multiple PDFs, you may have trouble finding a particular document. You can collapse a PDF’s page thumbnails so you see only the PDF’s filename.

  1. In the Preview app on your Mac, open a PDF or image that you want to view.

  2. Do any of the following:

    • View thumbnails: Choose View > Thumbnails or View > Contact Sheet.


    • Sort thumbnails: Control-click a thumbnail, then choose an item from the Sort By submenu in the shortcut menu.

      The thumbnails are sorted by file. You can’t sort PDF page thumbnails within a PDF.

    • Change the size of the thumbnails: Choose View > Thumbnails, then drag the sidebar’s separator to the left or right to change the width of the sidebar.

    • Collapse or expand PDF thumbnails: Click the arrow next to the PDF’s filename in the sidebar.

View information about PDFs or images

You can use the inspector to view information about a document or image, such as file size, the author’s name, and the image resolution.

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  1. In the Preview app on your Mac, open a PDF or image that you want to view.

  2. Choose Tools > Show Inspector, then do any of the following:

    • Get general file information: Click the General Info Inspector button .

    • View keywords: Click the Keywords Inspector button . See Assign keywords to a PDF or image.

    • View a list of annotations: Click the Annotations Inspector button . To display an annotation, double-click it. See Annotate a PDF or Annotate an image.

    • View encryption and permission information in a PDF: Click the Encryption Inspector button . See Password-protect a PDF.

    • View cropping information in a PDF: When using a selection tool, click the Crop Inspector button to view the dimensions of the content you’re selecting, then choose a unit of measurement that’s displayed in the Crop Inspector window. See Crop or rotate a PDF in Preview on Mac.

    • View information about an image: Click the More Info Inspector button . See See where a photo was taken.

Zoom in or out

  1. In the Preview app on your Mac, open a PDF or image that you want to view.

  2. Do any of the following:

    • Zoom in or out: Choose View > Zoom In or View > Zoom Out. On some trackpads, you can pinch your thumb and index finger closed or open on the trackpad. See Use trackpad and mouse gestures.

    • View the original size of a page or image: Choose View > Actual Size.

    • Zoom to a particular section of a PDF or image: Choose Tools > Rectangular Selection, select the section, then choose View > Zoom to Selection. To see the document at actual size again, choose View > Actual Size.

    • View a page at a specific percentage of its original size: Type a percentage in the Scale field in the toolbar.

      If you don’t see the Scale field, choose View > Customize Toolbar, then drag the Scale field to the toolbar.

    • Magnify an area in a PDF or image: Choose Tools > Show Magnifier, then move the pointer over the area you want to magnify. To stop magnifying, choose Tools > Hide Magnifier or press the Esc key.

See alsoDisplay several files in one Preview window on MacFind text in PDFs in Preview on MacBookmark PDF pages in Preview on MacKeyboard shortcuts in Preview on MacChange a window’s background color in Preview on Mac

Mac won't start/boot after macOS High Sierra update/installation, help!

'I upgraded my iMac into latest macOS High Sierra last night. And when I completed the update process, tried to start the computer. It won't boot.
I tried to hard reboot Mac computer, but nothing showed up. What else can I do to wake up the computer and make it work again with macOS High Sierra?

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Although Mac hard drive boot failure issue is not a new problem anymore. But it's still a tough case for ordinary users to fix when their Mac computers fail to boot after macOS High Sierra update or installation. If you are having such a problem, relax! This tutorial article will show you how to quickly fix and resolve Mac hard drive won't boot issue after macOS High Sierra update. Just follow any one of offered methods to get your Mac computer back to work again now:

Quick Fix 1. Reset SMC to fix Mac won't boot after High Sierra update

Sometimes, if the Mac computer cables are not connected properly, you may not be able to boot it normally. So if Mac cannot boot after system update, you can reset SMC to fix Mac won't boot issue after macOS High Sierra update:

1. Shut down Mac computer and unplug all cables;
2. Wait for a few minutes and then plug the cables back;
3. Restart Mac computer to see if you can enter the system or not.

Quick Fix 2. Force to reboot Mac and reset NVRAM to fix Mac won't boot issue

1. Press and hold Power button for a few minutes till Mac turns off;
2. Wait a few seconds and press Power button to turn on Mac;
3. Hold Command + Option + P + R keys while booting Mac to reset NVRAM;
4. Reboot computer again to see if the problem gets solved or not.

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Note: If these two quick fixes didn't help, continue with below complete solutions to get your problem resolved now.

Complete solution to fix Mac won't boot/fails to boot error after macOS High Sierra update

Step 1. Recover data when Mac hard drive won't boot from High Sierra

If you have important data saved in Mac computer hard drive, do remember to restore data before taking actions to fix Mac won't boot error.

Professional Mac data recovery software with bootable disk can help you effectively restore your data out of Mac hard drive when the computer fails to boot. You can directly purchase EaseUS Data Recovery Wizard for Mac with Bootable Media to create a bootable media for Mac and apply it to restore data from fail to boot Mac computer now:

1. Insert the created bootable media into Mac and turn on Mac computer, immediately press and hold the Option key and select EaseUS Data Recovery Wizard for Mac to boot;
2. Connect an external storage device to Mac computer;
When EaseUS Data Recovery Wizard for Mac launches, follow this tutorial to restore lost files on Mac.

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Step 2. Fix Mac won't boot error after macOS High Sierra update
Fix macOS High Sierra won't boot issue

Method 1. Boot Mac from Safe Mode to fix Mac won't boot issue

1. Turn on Mac, press Shift when you hear the startup sound and release it till you see Apple logo;
2. After Mac fully starts, restart the computer normally without holding any keys/buttons.
3. Wait patiently till Mac computer finish the reboot process.

Method 2. Use Disk Utility to restore Mac from Recovery Mode when macOS High Sierra won't boot

1. Boot Mac up, press Command + R during the boot-up process;
2. Click Disk Utility option > Click First Aid and try repairing Mac's disk;
3. Disk Utility will automatically run a fsck (file system check) operation to help you repair macOS High Sierra fail to boot error;
4. If this fails, try restore from Recovery mode.
5. Reinstall OS X in Recovery Mode will automatically download and install the latest macOS High Sierra for your Mac device.

Method 3. Run Terminal to repair Mac hard drive won't boot error due to High Sierra update

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1. Open Terminal >Applications >Utilities;
Enter: system_profile SPExtensionsDataType > ~/Desktop/kextList.txt and hit return;
2. Open the kextList.txt file on desktop > Press Apple(Command) + F to bring up find;
3. In the find field insert 'Obtained from: Not Signed' and copy the destination to the .kext file to a list for use later;
4. Click Next to cycle through all of them, for example: /System/Library/Extensions/JMicronATA.kext
5. Browse your drive to /System/Library/Extensions and remove all unsignedkext files;
6. Reboot and your Mac boot problem shall be all set.

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Method 4. Reinstall macOS High Sierra to resolve Mac won't boot issue

The last method that you can try is to download macOS High Sierra and create a new bootable drive to clean install macOS High Sierra on Mac computer so to make it boot up normally and work smoothly again.

1. Connect USB bootable drive on Mac and restart Mac by holding Option till you hear the reboot tone;
2. Select disk called Install macOS High Sierra in the drive list that appears on screen;
3. Once USB drive is booted, select Disk Utility > Choose Mac's startup from the list > Click Erase;
4. Once Mac's startup disk is formatted, return toUtilitieswindow and select Install macOS > Choose just erase startup drive to install macOS > Follow onscreen prompts to complete the installation.

This may take you a few hours to complete the task. And of course, if you have important data, follow Step 1 to get all saved data out firstly.