Problems on MacBook Pro OS High Sierra can take different forms. However, among all of them, it is the Gray Screen of Death that is considered the most troublesome.

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There are many possible causes why a MacBook Pro gets stuck on a gray screen. Surprisingly, too, there are lots of MacBook issues that get mistaken for the gray screen problem on MacBook Pro OS High Sierra. So to clear things out, continue reading below.

The MacBook Pro Gray Screen Issue

Believe it or not, the gray screen issue on MacBook Pros frequents every Q&A site. It seems that more and more MacBook Pro users running High Sierra are still unable to find solutions to their problem. Feels terrible, right?

Well, it only feels that way because many still have got no clue for a possible reason. But if you’re familiar with the nature of Macs, you should know that the chances of fixing Mac issues are high.

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Interestingly, what those MacBook Pro users are seeing is not really a gray screen. It could simply be a black screen with a built-in Retina display that appears gray during the initial startup phase. Most often, the problem is reported to appear after restarting a MacBook Pro. There are instances , though, when the gray screen appears with the Apple logo or a spinning globe sign.

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6 Possible Solutions to Gray Screen Problems on MacBook Pro OS High Sierra

Of course, there are hardly problems that cannot be resolved. The same applies to your MacBook. Here are six possible solutions to your gray screen problems:

Solution #1: Disconnect All External Peripherals.

1. First, shut down your MacBook by pressing the Power button.
2. Disconnect all the peripherals connected to your MacBook, except the mouse. Be sure you also disconnect your headphones and any Ethernet cable.
3. Switch on your MacBook.
4. If you are already seeing a blue screen, then it means the problem is with one of the peripherals. Try to find the problematic peripheral by shutting down your Mac and reconnecting the peripherals one at a time.
5. After identifying the faulty peripheral and you still see the persistent gray screen, it is possible that your mouse or keyboard could be the culprit. If you have an extra mouse or keyboard, swap it and test it out.
6. Restart your MacBook.

If the display of forlorn grayness persists, then try the succeeding solutions.

Solution #2: Repair Your Hard Disk Drive Using Disk Utility.

Another possible culprit for your gray screen problems is your hard disk. To fix it, you have to run Disk Utility by booting your system into Recovery Mode.

Follow the instructions below for a step-by-step guide:

1. Shut down your MacBook Pro by long-pressing the Power button.
2. Hold down the CMD + R keys to power up your MacBook Pro again.
3. You will be taken to the OS X Utilities screen.
4. Select Disk Utility.
5. Choose your MacBook Pro’s built-in hard drive under Disk Utility.
6. Hit Verify Disk to continue.
7. You should receive a notification that the problem has already been fixed.

If the gray screen still greets you, you still have four more options to try.

Solution #3: Safe-Boot Your MacBook Pro.

Have you heard of the function called Safe Boot? It works by performing certain diagnostics on your macOS to ensure everything is up and running. It so happens that this function can also get rid of your gray screen problems.

To run Safe Boot, follow these steps:

1. Shut down your MacBook Pro.
2. Wait for 10 seconds and restart it while pressing down the Shift key.
3. Safe Boot will now start doing its job. Just wait for it to finish its task.
4. It will notify you if it has already completed the diagnostics.

If this solution worked, restart your machine from the Apple menu. Otherwise, let’s find out what else you can do.

Solution #4: Reset the PRAM or NVRAM.

Sometimes, the problem is with your PRAM or NVRAM. These unique memory sections are notorious for causing troubles in Macs. Then again, they can be reset to their default settings. Although resetting to your default MacBook Pro settings will take time, it could be worth it.

Count logica mac os. Here’s how to reset the PRAM or NVRAM:

1. Disconnect all the peripherals connected to your MacBook Pro.
2. Restart your MacBook Pro.
3. Before the gray screen shows, press the Command, P, R, and Option keys.
4. Hold all the keys until your MacBook Pro restarts. You should then hear another startup sound.
5. Release all the keys.
6. If the gray screen no longer appears, reconnect your peripherals.

If you’re still unlucky, it’s time to get serious and try the last few solutions.

Solution #5: Repair Your Startup Drive.

You have already explored all possible solutions on how to fix your gray screen problems on MacBook Pro OS High Sierra, but the problem persists. Don’t worry, though, as you still have another solution!

While this can be a bit tricky, repairing your Startup Drive might just work for you. Here’s how:

1. Start your MacBook Pro from an OS X Installer DVD.
2. Insert the DVD installer into your optical drive.
3. Switch off your MacBook Pro.
4. Restart your Mac while pressing the C key. It will then take you to a menu for booting your MacBook Pro from the optical drive. You have three options from here. These are:

• Start from an OS X Installer DVD
• Start from the Recovery HD
• Start from an External Drive

5. Select one and follow the instructions provided.

If your MacBook Pro launches successfully with any of the three methods, then great. But if not, well, you still have one last solution to try.

Solution #6: Reinstall High Sierra.

If all else fails, you may reinstall High Sierra. Simply follow these steps:

1. Shut down your MacBook Pro.
2. Press the CMD + R keys and switch on your MacBook Pro again.
3. A new window will pop up with the option Reinstall MacBook Pro OS High Sierra. Select it.
4. Wait for the process to finish.

Hopefully, this solution has now fixed your problem.

Conclusion

Gray screen problems are common, but they may only be a result of peripheral or OS installation issues. We just don’t pay attention to the tiny things that may affect our MacBook’s performance, hence they accumulate and worsen over time. Lucky for you, you’re already spared from the time-consuming process of searching for solutions as we compiled the possible solutions to your gray screen problems.

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Did the solutions above help you with your gray screen problems on your MacBook Pro? Let us know below!

Mission Control is a feature of the macOSoperating system. Dashboard, Exposé, and Spaces were combined together and renamed Mission Control in 2011 with the release of Mac OS X 10.7 Lion. Exposé was first previewed on June 23, 2003 at the Apple Worldwide Developers Conference as a feature of the then forthcoming Mac OS X 10.3 Panther.^[1]

Mission Control allows a user to do the following:

• View all open application windows
• View all open application windows of a specific application
• Hide all application windows and show the desktop
• Manage application windows across multiple monitors
• Manage application windows across multiple virtual desktops

Usage[edit]

Exposé and Mission Control include three separate features for organizing windows and open applications:

All windows

Shows all open and unhidden windows, and all virtual desktops, shrinking their appearance so they all fit on a single screen. On newer Mac keyboards, this is activated from the F3 key, or F9 on older keyboards. On Apple's Magic Mouse or multi-touch trackpads, this can be activated by pulling up on the trackpad with three or four fingers. Mission Control redesigned this feature extensively to show all running desktops.

Application windows

Also called 'App Exposé'. Shows all open and minimized windows for the currently active application. During this mode, the user can choose a window to switch to by using mouse or keyboard, or cycle through windows of different applications by pressing the tab key. This can be activated by pulling down with three or four fingers on a trackpad, the F10 key on older keyboards, by pressing Control + F3 on newer Apple aluminium and Macbook keyboards, or by right-clicking the app's icon on the dock and selecting 'Show all windows'. On OS X Snow Leopard. App Exposé can be activated by clicking and holding the application's icon in the dock.

Desktop

Moves all windows off the screen, with just the edges of the windows visible at the side of the screen, giving the user clear access to the desktop and any icons on it. This can be activated by pressing CommandF3 on newer Apple aluminum and Macbook keyboards, the F11 key on older keyboards. On a trackpad, it can be selected by placing four fingers on the trackpad and pulling them away from each other.

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In the first two cases, after Mission Control is activated, the user can select any window by clicking on it or selecting it with arrow keys and pressing Enter. Exposé then deactivates, leaving the selected window in the foreground. Using Apple Mighty Mouse, it is possible to select a window using the Scroll Ball, by scrolling in the direction of that window.

The keyboard shortcuts used for activating Exposé can be customized to be any of the function keys, the shift, control, option or command key, the fn key on Mac laptops, or even a mouse button on multiple-button mice (including Apple Mighty Mouse).

Different features of Mission Control can also be activated by moving the mouse to a 'hot corner' of the desktop. This system is off by default; it can be enabled from System Preferences.

Changes in Mission Control[edit]

When Exposé first premiered in 2003, it could be controlled using the F9, F10 and F11 keys.

The Exposé shortcut keys were moved to the F3 key to make room for the 'rewind', 'play/pause' and 'fast forward' keys. On Mac keyboards made after 2004, Exposé can be activated by using the F3 key or in combination with the command key, or on the trackpad of Macbooks supporting multi-touch interface. (However, F9, F10 and F11 can still be used for controlling Exposé with the function modifier key, or by enabling the 'Use all F1, F2, etc. keys as standard function keys' setting.)

On Mac OS X 10.6 Snow Leopard, Exposé featured a new organized grid view and allowed users to activate Exposé from the Dock.

In Mac OS X 10.7 Lion, some features of Dashboard, Exposé, and Spaces were incorporated into Mission Control. This gave an overview of all running applications just like 'All windows' but grouped windows from the same application, and added a display of Spaces. Desktop view and application window view were retained, the latter under the name of App Exposé, and could be accessed through gestures on multi-touch trackpads.

https://pdfcasinowinslothowinmachinetoada.peatix.com. Some users criticised Mission Control in Mac OS X 10.7 Lion for not offering an unobscured 'Exposé' view of all the windows in single workspace: windows of the same application are always hidden in bundles. This issue was fixed in Mac OS X 10.8 Mountain Lion, however, with a checkbox in the System Preference pane allowing a user to choose whether to group windows of the same application. Some features of Exposé and Spaces from OS X 10.6 Snow Leopard did not return, however: it does not show the names of the windows displayed, nor does it return the added functionality provided by Mac OS X 10.5 Leopard multiple desktops feature, known as 'Spaces,' which allowed users to drag and drop windows between desktops with a single click, and also allowed for larger thumbnail previews of each desktop in a 2D grid when in use.^[2]

Undocumented features[edit]

The 'blob' is a hidden and undocumented interface to Exposé that was discovered by a member of the MacNN forums.^[3] When clicked, it enables the 'Application Windows' mode. When Option+clicked, it enables the 'All Windows' mode.

Another undocumented feature of Exposé is for the show desktop function. It places all the open windows in a small box on the screen that can be moved to anywhere on the screen.^[4] This function has some bugs, after exiting the show desktop mode, the foremost window will not have a shadow and the user will not be able to move the window. However, this is easily fixed by using the show all function. It also had another bug that causes an area of screen the width of the minimised preview to become unresponsive to mouse clicks requiring the windowserver to be restarted.

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Using the Shift key, Mission Control can be activated in slow motion, as can Dashboard and the minimise effect and several other animations. This is the same effect that was demonstrated by Steve Jobs during the unveiling of Exposé during the 2003 Worldwide Developers Conference.^[5][6]

Similar applications[edit]

Similar effects are used on other operating systems.

Microsoft Windows 2.0 first introduced a window switcher in 1990. Using Alt+Tab ↹, users could see a flattened view of all open windows. Every version of Windows since then has also provided this window switching functionality. Vista and Windows 7 provide an additional feature called Windows Flip 3D, which has a broadly similar purpose. Flip 3D allows a user to flip through all open windows with a three-dimensional perspective. A downside to this method is that the front-most window covers a significant portion of the other windows, unlike Exposé. On the other hand, this allows the user to see the contents of the front-most window, while this can be difficult in Exposé, especially if the user has a large number of windows open. Vista's Desktop Window Manager exposes a public API that allows any application to access the same thumbnail representations that Flip3D uses, and so there are a number of third party add-ons that are able to provide Exposé-like functionality in Vista. A very few third party applications, such as the Emcee Desktop Organizer, provide Mission Control-like organization of similar windows into visual 'stacks,' or support Windows 8's 'Immersive' Apps. Windows 10 adds a very similar feature called Task View which also includes multiple-desktop support.

Microsoft's Intellipoint Software for Microsoft Mice has a feature similar to Exposé^[7] as it also works with live images of windows, rather than static representations. Additionally, several freeware Windows applications exist to emulate the functionality of Exposé.

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Compiz and KWin are compositing window managers for systems using the X Window System. Both include plugins similar to Exposé - the scale plugin in Compiz and the present windows effect in KWin. Skippy also performs similar functions to Exposé.

Starting with version 3.0, the GNOME desktop environment has gained a new mode called 'Overview', which is used to launch applications and manage workspaces. In this mode, windows are scaled and arranged in an Exposé-like fashion for quick switching.

For Classic or Legacy Macintosh systems, the free Finder Workspaces^[8] offers functionality similar to Spaces.

Chrome OS has a window overview mode^[9] that shows a thumbnail of all open windows, available by pressing the 'window switcher' key or swiping up with 3 fingers on the trackpad. Windows in overview mode can be closed by clicking an associated close button, or selected by clicking on the window thumbnail, which also closes overview mode and brings the selected window to the foreground.

See also[edit]

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References[edit]

1. ^'Apple Previews Mac OS X 10.3 'Panther''. Apple Press Release Library. June 23, 2003. Retrieved August 19, 2006.
2. ^Caolo, Dave (July 20, 2012). 'OS X Lion and Mission Control'. The Unofficial Apple Weblog. AOL. Retrieved April 11, 2012.
3. ^sandsl (October 9, 2003). 'wvous: 'Hidden' Dock Feature'. MacNN forums. Retrieved August 20, 2006.
4. ^[1] Tutorial at macosxhints.com
5. ^'OS X Panther - Expose'. YouTube. September 7, 2007.
6. ^Pogue, David (2011). OS X Lion: The Missing Manual. O'Reilly Media. p. 176. ISBN9781449397494.
7. ^'Instant Viewer'. Archived from the original on March 6, 2011.
8. ^'Finder Workspaces 2.2'. Archived from the original on March 19, 2014.
9. ^'The New Overview Feature in Chrome OS'. OMG! Chrome!.