Mac OS X v10.5.6 or later: A Safe Boot deletes the dynamic loader shared cache at (/var/db/dyld/). A cache with issues may cause a blue screen on startup, particularly after a Software Update.
- A clean or safe boot on your PC or Mac can help fix problems installing, launching, or accessing game content. It disables background tasks that can cause interference with your games. These steps, especially for PC, can harm your computer if not done the right way.
- If you found this video useful please like and subscribe to our channel. Description: In this video we look at Safe Boot (Safe Mode) for macOS.
- My Mac won't turn on — now what? This may sound obvious, but check to see if your Mac has.
- Restart the Macintosh. Press and hold the Shift key immediately after you hear the startup tone. Release the Shift key when the Apple logo appears. Safe Boot appears on the Mac OS X startup screen. Note: Safe Boot only appears on the startup screen; it does not appear in the corners of the desktop.
To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart. Keep holding until the described behavior occurs.
- Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're prompted to enter the password.
- Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes. If your Mac is using a firmware password, you're prompted to enter the password.
- Option-Command-P-R:Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.
- Shift (⇧): Start up in safe mode. Disabled when using a firmware password.
- D: Start up to the Apple Diagnostics utility. Or use Option-Dto start up to this utility over the Internet. Disabled when using a firmware password.
- N: Start up from a NetBoot server, if your Mac supports network startup volumes. To use the default boot image on the server, hold down Option-N instead. Disabled when using a firmware password.
- Command-S: Start up in single-user mode. Disabled in macOS Mojave or later, or when using a firmware password.
- T: Start up in target disk mode. Disabled when using a firmware password.
- Command-V: Start up in verbose mode. Disabled when using a firmware password.
- Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. Disabled when using a firmware password.
If a key combination doesn't work
If a key combination doesn't work at startup, one of these these solutions might help:
- Be sure to press and hold all keys in the combination together, not one at a time.
- Shut down your Mac. Then press the power button to turn on your Mac. Then press and hold the keys as your Mac starts up.
- Wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use.
- If you're using a wireless keyboard, plug it into your Mac, if possible. Or use your built-in keyboard or a wired keyboard. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac.
- If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Then shut down or restart and try again.
Remember that some key combinations are disabled when your Mac is using a firmware password.
Learn more
- Learn what to do if your Mac doesn't turn on.
- Learn about Mac keyboard shortcuts that you can use after your Mac has started up.
If you are looking for a way to start your Windows Laptop or Desktop in Safe Mode, you will find below 5 different ways to Boot Windows 10 in Safe Mode.
Boot Windows 10 in Safe Mode
When you Boot your computer in to Safe Mode, it starts in its most basic state, using only the most essential system files and drivers.
If a computer with problems is able to start in Safe Mode, it confirms that the issue is due to recently installed programs or changes on the computer.
This allows you to troubleshoot problems on your computer by identifying the program, service or the most recent change that is causing problems on your device.
Depending on the situation, you can Enter Safe Mode in Windows 10 using different methods as listed below.
1. Start Windows 10 in Safe Mode Using Settings
If you are already logged-in, you can Enter Safe Mode by using Advanced Startup option as available in Windows 10.
1. Go to Settings > Update & Security.
2. Click on Recovery in the left-pane. In the right-pane, scroll down to 'Advanced Startup' section and click on Restart Now button.
3. After the computer restarts, click on the Troubleshoot option.
4. On the Troubleshoot screen, click on Advanced options.
5. On the next screen, click on Startup Settings.
6. On Startup Settings screen, click on the Restart button.
7. After your computer Restarts, press the F4 key to Boot Windows 10 in Safe Mode.
2. Boot Windows 10 in Safe Mode from Login Screen
If you are unable to Login to computer, you can Start Windows 10 in Safe Mode by Restarting the computer from the Login Screen.
1. Click on the Power Icon > Hold Down the Shift Key on the Keyboard of your Computer and click on the Restart Super vpn download free for mac download. option.
2. After the computer restarts, click on the Troubleshoot option.
3. Navigate to Advanced options > Startup Settings and click on the Restart button.
4. After your computer Restarts, press the F4 key to Boot Windows 10 in Safe Mode.
3. Enter Safe Mode From Black Screen
If you are dealing with a totally Blank or Black Screen in Windows 10, you first need to take your computer to Windows Recovery Environment (winRE) Mode.
1. Hold Down the Power button (for 10 seconds), to turn OFF your device.
2. Press the Power button again to Restart your device.
3. Repeat steps 1 & 2, until your computer enters winRE Mode and you see 'Choose an option' screen.
4. From Choose an option screen, navigate to Troubleshoot > Advanced Options > Startup Settings and click on Restart.
5. After the computer Restarts, press F4 to Boot Windows 10 in Safe Mode. If you need to access the internet, press F5 key to start Windows 10 in Safe Mode with Networking option.
4. Enter Safe Mode Using Bootable USB Drive
If your computer is not at all starting, you should be able to Boot your computer in Safe Mode using a Bootable USB Drive.
If you do not have a Bootable USB Drive, you can create a Bootable USB Drive on another computer by using steps as provided in this guide: How to Create Bootable Windows 10 USB Drive.
MAC Cosmetics sells a wide range of makeup shades. Owned by Estee Lauder, they're not cruelty-free. Find best products, reviews & ingredients at Beautypedia. Find a MacBook decal skin that fits your MacBook model & style. From MacBook Pro to MacBook Air, Skinit offers the best vinyl decal skins for any MacBook. Make your own custom MacBook Skins online for an ultra-lightweight vinyl decal MacBook cover. Personalize your Apple MacBook by creating a custom MacBook Skin that covers the top of any MacBook for added protection & style. Skinit offers custom MacBook Skins for any MacBook, MacBook Pro or MacBook Air.
Mac OS X v10.5.6 or later: A Safe Boot deletes the dynamic loader shared cache at (/var/db/dyld/). A cache with issues may cause a blue screen on startup, particularly after a Software Update.
- A clean or safe boot on your PC or Mac can help fix problems installing, launching, or accessing game content. It disables background tasks that can cause interference with your games. These steps, especially for PC, can harm your computer if not done the right way.
- If you found this video useful please like and subscribe to our channel. Description: In this video we look at Safe Boot (Safe Mode) for macOS.
- My Mac won't turn on — now what? This may sound obvious, but check to see if your Mac has.
- Restart the Macintosh. Press and hold the Shift key immediately after you hear the startup tone. Release the Shift key when the Apple logo appears. Safe Boot appears on the Mac OS X startup screen. Note: Safe Boot only appears on the startup screen; it does not appear in the corners of the desktop.
To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart. Keep holding until the described behavior occurs.
- Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're prompted to enter the password.
- Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes. If your Mac is using a firmware password, you're prompted to enter the password.
- Option-Command-P-R:Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.
- Shift (⇧): Start up in safe mode. Disabled when using a firmware password.
- D: Start up to the Apple Diagnostics utility. Or use Option-Dto start up to this utility over the Internet. Disabled when using a firmware password.
- N: Start up from a NetBoot server, if your Mac supports network startup volumes. To use the default boot image on the server, hold down Option-N instead. Disabled when using a firmware password.
- Command-S: Start up in single-user mode. Disabled in macOS Mojave or later, or when using a firmware password.
- T: Start up in target disk mode. Disabled when using a firmware password.
- Command-V: Start up in verbose mode. Disabled when using a firmware password.
- Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. Disabled when using a firmware password.
If a key combination doesn't work
If a key combination doesn't work at startup, one of these these solutions might help:
- Be sure to press and hold all keys in the combination together, not one at a time.
- Shut down your Mac. Then press the power button to turn on your Mac. Then press and hold the keys as your Mac starts up.
- Wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use.
- If you're using a wireless keyboard, plug it into your Mac, if possible. Or use your built-in keyboard or a wired keyboard. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac.
- If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Then shut down or restart and try again.
Remember that some key combinations are disabled when your Mac is using a firmware password.
Learn more
- Learn what to do if your Mac doesn't turn on.
- Learn about Mac keyboard shortcuts that you can use after your Mac has started up.
If you are looking for a way to start your Windows Laptop or Desktop in Safe Mode, you will find below 5 different ways to Boot Windows 10 in Safe Mode.
Boot Windows 10 in Safe Mode
When you Boot your computer in to Safe Mode, it starts in its most basic state, using only the most essential system files and drivers.
If a computer with problems is able to start in Safe Mode, it confirms that the issue is due to recently installed programs or changes on the computer.
This allows you to troubleshoot problems on your computer by identifying the program, service or the most recent change that is causing problems on your device.
Depending on the situation, you can Enter Safe Mode in Windows 10 using different methods as listed below.
1. Start Windows 10 in Safe Mode Using Settings
If you are already logged-in, you can Enter Safe Mode by using Advanced Startup option as available in Windows 10.
1. Go to Settings > Update & Security.
2. Click on Recovery in the left-pane. In the right-pane, scroll down to 'Advanced Startup' section and click on Restart Now button.
3. After the computer restarts, click on the Troubleshoot option.
4. On the Troubleshoot screen, click on Advanced options.
5. On the next screen, click on Startup Settings.
6. On Startup Settings screen, click on the Restart button.
7. After your computer Restarts, press the F4 key to Boot Windows 10 in Safe Mode.
2. Boot Windows 10 in Safe Mode from Login Screen
If you are unable to Login to computer, you can Start Windows 10 in Safe Mode by Restarting the computer from the Login Screen.
1. Click on the Power Icon > Hold Down the Shift Key on the Keyboard of your Computer and click on the Restart Super vpn download free for mac download. option.
2. After the computer restarts, click on the Troubleshoot option.
3. Navigate to Advanced options > Startup Settings and click on the Restart button.
4. After your computer Restarts, press the F4 key to Boot Windows 10 in Safe Mode.
3. Enter Safe Mode From Black Screen
If you are dealing with a totally Blank or Black Screen in Windows 10, you first need to take your computer to Windows Recovery Environment (winRE) Mode.
1. Hold Down the Power button (for 10 seconds), to turn OFF your device.
2. Press the Power button again to Restart your device.
3. Repeat steps 1 & 2, until your computer enters winRE Mode and you see 'Choose an option' screen.
4. From Choose an option screen, navigate to Troubleshoot > Advanced Options > Startup Settings and click on Restart.
5. After the computer Restarts, press F4 to Boot Windows 10 in Safe Mode. If you need to access the internet, press F5 key to start Windows 10 in Safe Mode with Networking option.
4. Enter Safe Mode Using Bootable USB Drive
If your computer is not at all starting, you should be able to Boot your computer in Safe Mode using a Bootable USB Drive.
If you do not have a Bootable USB Drive, you can create a Bootable USB Drive on another computer by using steps as provided in this guide: How to Create Bootable Windows 10 USB Drive.
MAC Cosmetics sells a wide range of makeup shades. Owned by Estee Lauder, they're not cruelty-free. Find best products, reviews & ingredients at Beautypedia. Find a MacBook decal skin that fits your MacBook model & style. From MacBook Pro to MacBook Air, Skinit offers the best vinyl decal skins for any MacBook. Make your own custom MacBook Skins online for an ultra-lightweight vinyl decal MacBook cover. Personalize your Apple MacBook by creating a custom MacBook Skin that covers the top of any MacBook for added protection & style. Skinit offers custom MacBook Skins for any MacBook, MacBook Pro or MacBook Air. In the Preview app on your Mac, open a PDF or image that you want to view. 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. Preview supports a large set of image file types, including JPEG, PNG, PSD, and TIFF. When you receive a photo that you can't open in your photo editing app, you may be able to convert it to a file type you can use. How to convert graphics file types.
1. Insert Bootable Windows 10 USB Drive into USB Port of your computer and Start the computer by pressing the Power button
Safe Boot Mac Password Not Working
2. After the Computer starts, select a Keyboard Layout for your computer.
3. On the next screen, click on the Troubleshoot option.
3. Navigate to Advanced options > Startup Settings and click on the Restart button.
4. After your computer Restarts, press the F4 key to Boot Windows 10 in Safe Mode.
5. Enter Safe Mode Using System Configuration
Follow the steps below to Boot Windows 10 in Safe Mode using the System Configuration Utility.
1. Right click on the Start button and click on the Run.
2. On the Run Command Window, type msconfig and click on OK.
3. On the next screen, click on the Boot tab, select Safe Boot with Minimal option and click on OK.
Safe Boot For Mac
4. On the pop-up, click on Restart to start the process of Booting your Computer in Safe Mode.
How To Remove Safe Boot For Macbook Pro
When your computer Restarts, it will be in Safe Mode with a Dark Background and you will see the words 'Safe Mode' on all 4 corners of the screen.