How to Fix, When You See a Grey Screen at Startup on Mac?

What is grey screen on Mac?

Every one of us detests those wretched moments while facing our worst nightmare in fifty shades of black- the refractory blank screen of our Mac or any golem if not to be specific. It's the most brutal scenario any desktop user can imagine. The torment of not knowing if the unsaved documents were by any chance (who knows!) still waiting for you to make a show, is plain exhausting.

Now, Mac grey screen problems frequent every Q/A sites, especially related to the kind of thing that welcomes you on a good sunny day in your office desktop version- the dreaded grey screen at Startup on Mac. Sounds terrible when put that way, isn't it? It sounds terrible because you've got no clue for a possible reason as it could be practically anything, and knowing Mac, the possibilities are endless. Did you know, that what you see isn't really a grey screen, as it could have originally risen from a black screen, i.e. a screen so black, there are chances you can mistake the display as being powered off. This is mostly relevant for Macs with built-in Retina displays, as these Retina iMac models don't have a power-on indicator.

Grey screen at Startup on Mac is commonly addressed as grey screen problem because initially the display would appear grey during the startup phase when the problem hit the device. Usually, this is noted to appear right after one starts or restarts his/her Mac. And you know there is a problem if it's a grey screen to say hello instead of a blue screen. At times, you can also see the Apple logo, a spinning gear, a spinning globe or a prohibitory sign. Whatever it is, you and your Mac are stuck. There are no peculiar noises to demarcate the problem and make it easy for you to narrow the causes down, just Mac grey screen syndrome to grate your nerves.

How to fix the grey screen at Startup on Mac?

Like every lock with a key, there are no complications without solutions, and the same goes for your Mac! There are ways to get the Grey screen Startup blue by fixing Mac grey screen by any one of the following methods:

Method 1. Disconnect External Peripherals

  1. Now the first thing every panicked Mac user must do is to press and hold their Mac’s power button to coerce the Mac to shut down.
  2. And it's time to disconnect all of your Mac’s peripherals except the mouse, keyboard and display. Make sure you also disconnect any Ethernet cable, audio in or out cables, headphones, etcetera.
  3. Switch your Mac on.

If you get the blue screen, then yes, it was a problem with one of the peripherals. What you need to do following this realisation is to shut your Mac down, reconnect your Mac’s peripherals one at a time by testing which one has got a problem with your device, after every Startup and getting rid of the angry peripheral that resorted to staying unresponsive. After reconnecting all the peripherals and if there is a persistent Grey screen Startup, your keyboard or mouse could be the culprit. Swap a spare if you have got one to test it out, and then restart your Mac.

If you are still looking in the face of forlorn greyness, then let's look at other methods, don't worry yet.

Method 2. Repair Disk using Disk Utility

Fix grey screen at startup on mac-method 2

It's time to check if your hard drive has got any problems. You have to run Disk Utility to confirm the same in order to fix your Mac grey screen. You can get Disk Utility running by booting into OS X Recovery Mode.

  1. Shut down your Mac by pressing and holding the power button.
  2. You have to now hold down the Command and R Keys to power the Mac back up again.
  3. The screen that now pops up will be headlined OS X Utilities. Choose “Disk Utility”.
  4. Choose your Mac’s built-in hard drive in the left column of Disk Utility. Select the second listing for your built-in drive.
  5. Click “Verify Disk” on the lower part of on the lower right of the Disk Utility window.

If you are notified the problem is fixed and yet it's the grey screen that greets you, then you know you aren't freed from the clutches of a Mac grey screen.

Method 3. Safe Boot

Fix grey screen at startup on mac-method 3

Safe Boot will perform certain diagnostics to ensure your Mac is up and running, in some cases (hope yours is one of them!). It so happens that a Safe Boot can get rid of perpetual worrisome greyness, sometimes.

  1. You have to shut down your Mac using the power button.
  2. Restart it and pressing down Shift.
  3. Safe boot might be doing its magic in the long time it takes to complete the task, so you may opt to start up while pressing Shift, Command and V: This feeds both Safe Boot and Verbose Mode into the system which alerts you to what Safe Boot's been doing.

If Safe Boot worked and you have sighed the big sigh of relief, restart the system from the Apple menu once the desktop loads completely. If there is no grey screen, hurray for you, but if it’s still the vengeful grey, let's see what else you can do. You will have to take up any of the next three methods to solve the issue.

Method 4. Reset PRAM/NVRAM

This is a bug in the eye as resetting PRAM or NVRAM (refers to unique memory sections that store data which persists even after a shut-off session) and SMC will cause you some troubles. Reset option will take your Mac’s hardware back to the golden days that is, to its default settings. But, it could be worth it.

  1. Disconnect peripherals except for keyboard and mouse. Reset PRAM/NVRAM.
  2. Restart your Mac. If you got the lucky go, reattach your peripherals one-by-one, restart after each attachment and find out if it was any of the peripherals that got your head heating.

Again, if it's that irritating grey mocking you, time to get serious.

Method 5. Repair a Startup Drive

Having explored all the alternatives and miserably failing, it's time to conclude that your Mac’s Startup Drive swallowed the canary. This is tricky, as you will be now data-rupted and that's the ultimate step to fixing the grey doom. Before we get to the risky part of it, let's verify if your Mac can start from an OS X install disk, the Recovery HD or another startup drive, like a USB Flash drive. If that's the case, then yes, your Startup Drive is the criminal.

If your Mac launched off successfully with one of these three methods, you may be able to repair your startup drive. It has to be taken into account how there is a scope for data loss on repairing the startup drive. You might take your Mac to an expert if you've got no backup to save you. If a Grey Mac Screen is still the ending of this tale, well...

Method 6. Reinstall Mac OS X

Fix grey screen at startup on mac-method 6

We are back at page one as we need to heed the only call left.

  1. Shut down your Mac.
  2. Press down the Command and R Keys to power the Mac back up again.
  3. The window that pops up titled Mac OS X Utilities has got an option- Reinstall Mac OS X. That's the final call, dear user.

If you had a backup at the time, there is no need to fret as what can a reinstall process hurt? But, if this failed too and you have got no backup, it's best if you get a technician to help you in luring a much missed blue screen.

Conclusion

So, the entire process is hardly what you’d dare to call useless, because hey, you have got a backup and you know what the cost of every risk is, reading between the lines. Directly getting down to erasing data and reinstalling the software is headlong. Trying out the easiest methods to fix mac grey screen and getting to the later ones in the chronological sense can be helpful and you wouldn't have known if you hadn't tried out, would you?

Mac hard drive space errors are not at all uncommon but they are major as they result in performance lags, hard drive issues, and storage space running low. We often don’t pay attention to the little things that can eventually result in low storage space and they keep accumulating. So, if you are facing such issues and are wondering how to fix your Mac’s hard drive space errors, go through the solutions and your problem should be gone.

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