Apple tends to release software updates for both its laptops and phones practically every year, including subsequent updates throughout the year to the initial main update. While it may seem like a chore to download and install all these subsequent updates, doing so is actually quite beneficial.
Software isn’t perfect and it’s common for users to experience problems after they download a software update. This may seem counterproductive, and may leave you hesitant when it comes to downloading and installing new software, but it’s essential to always remain up to date. It’s normal for software to have bugs, and that’s why Apple constantly releases subsequent updates in order to correct the mistakes and bugs on prior updates. Sometimes these updates actually end up fixing problems on your device that you probably didn’t even know you had.
Usually installing macOS updates on your laptop, especially major updates, is a time to explore new features, and expect top-notch performance, sometimes things can go awry, causing your laptop to lose its ability to even turn on after a recent software update. If this happens, you may see a white, grey or other unusual screen display when you turn on your laptop. While this issue is common when updates occur to macOS Mojave, High Sierra, and Sierra, users have reported the issue with almost every major software update.
Since this is a fairly common issue, it isn’t usually a cause for concern. It’s likely the problem is occurring due to third-party software on your MacBook. Luckily, there are a few simple ways to solve the problem. There’s no need to make an appointment with the Apple Store at the first sight of trouble. First try the methods below, and if all else fails, only then should you make an appointment with the Apple Store. To get started and fix the problem with your MacBook Pro not turning on after updating the software, follow the instructions below,
Double Check the Basics
Before we jump into in depth troubleshooting methods, it’s best you first try a few simple steps to figure out what may be causing the problem.
1. Make sure that your power cord and adapter are properly connected to your laptop and outlet.
2. Test out the outlet with another device, to ensure that it’s indeed working.
3. If possible, try to use a different power cord in order to find out if your current one has malfunctioned.
4. Press and hold the Power button for ten seconds and see if your MacBook turns on.
5. If that doesn’t work, press and hold fn + control + command, along with the Power button and see if your MacBook turns on.
6. Remove or disconnect your battery, if such is possible, and then check to see if your MacBook works while it’s plugged in to charge.
7. Ensure that the problem isn’t with your display by pressing on the trackpad when booting up your laptop. If the trackpad allows you to click, the problem is likely with your display.
8. If you recently upgraded your RAM, remove the modules, and test to see if your computer starts up, as often third-party RAM is the culprit behind power concerns.
Simple Fixes and Safe Mode
Safe Mode is used on your computer when your operating system is experiencing problems. Before we jump into using Safe Mode, try these simple fixes below,
1. Press and hold the Power button until your computer turns off. After a few seconds pass again, press the Power button to turn your computer back on.
2. Disconnect all USB’s, FirmWare devices, and all other hardware upgrades. Then restart your MacBook.
If the above solutions don’t work try using Safe Mode using the instructions below,
1. Power on your MacBook and when you hear the startup sound, press and hold the shift key until the Apple logo appears.
If your MacBook started up under these conditions, it may mean that the problem is that your computer doesn’t have sufficient space. Try to recall if before this problem occurred, you noticed any disk warning messages.
Reset the NVRAM
NVRAM stands for non-volatile random-access memory. This is a small amount of memory that your Mac uses in order to access certain settings and applications quickly. If your NVRAM is corrupt, it can cause glitches to occur on your device. Resetting the NVRAM will clear it and cause a refresh, which may solve the problem. To reset the NVRAM, follow the instructions below,
1. Power on your MacBook, press and hold option + command + P + R key, making sure to not release the keys until at least 20 to 30 seconds (see step #2) have passed. Your MacBook may restart after this process. Note: If your computer has a firmware password, this process will not work until the password is turned off.
2. If your MacBook usually makes a noise upon startup, release the keys from step #1 after the second sound. If your MacBook has the Apple T2 chip, release the keys once the Apple logo has appeared and disappeared twice.
Use Recovery Mode
In order to use this method, your laptop must be connected to Wi-Fi. To get started, follow the steps below,
1. Power on your MacBook and hold down the command + R key.
2. Launch Disk Utility and run First Aid on your hard drive.
3. Restart your laptop again and hold down command + option + R.
4. Install a new copy of macOS. This may take some time. Your MacBook will restart before the installation process begins.
5. Log in and follow the instructions on the screen.
Use Apple Diagnostics or Hardware Test
Apple comes with applications that will inform you if certain hardware is causing a problem. If you purchased your MacBook in 2013 or afterwards, follow the steps below for Apple Diagnostics. However, if you purchased your MacBook in 2012 or earlier then you’ll have to use Apple Hardware Test.
1. Restart your MacBook and hold the D key during the restart.
2. Apple Diagnostics will automatically launch.
3. After some time, a list of problems found will appear, if any exist.
Apple Hardware Test
1. Restart your MacBook and hold the D key.
2. Choose your preferred language, and press the return key.
3. An alert message will appear indicating if your MacBook has any problems.
Ensure that you take note of the problems, if any, are listed once the process completes. This will help you to not only solve the problem, but will also serve as a reference if you need to go to the Apple Store to fix your MacBook.
If none of the above methods work, it’s best to take your MacBook to the nearest Apple Store. Always be sure to back up your documents and important information whenever possible in order to prevent loss of data. While it’s unlikely that troubleshooting will result in a loss of your information, it’s always better to be safe than sorry.
An Apple employee will examine your device, and If you’re a member of AppleCare or your warranty hasn’t yet expired, Apple will likely cover the costs needed for any repairs. For this reason, you should also avoid tinkering with your devices, whether that be phones or laptops, too much, as this will annul your warranty.
It’s best to set up an appointment before visiting your local Apple Store, in order to ensure that you’ll be seen in a timely manner, as they usually tend to be busy. When setting up an appointment, you’ll notice that you also have the option to solve the problem via a phone call, if you wish. This is likely much less time consuming and also saves you a commute to the Apple Store.