Published On: , by NewAdMacSoft
Combinations of key shortcuts appear to be a very useful and important thing for almost all users. Unfortunately, not everyone uses them. Sometimes it is hard to remember shortcuts for all your gadgets due to differences in design, sometimes people just forget about them. There always can be certain situations when something does not work properly on your Mac. What to do in such case? For sure, shortcuts can help you cope with this.
Safe Mode: Shift
Using the Safe Mode provides you with an opportunity of safe starting of your computer. When opting for this mode, it performs several important operations and checks:
– Verification of the startup disk, fixing of directory issues;
– Deletion of system cache files, such as font caches, kernel cache;
– Disabling of user-installed fonts.
To invoke Safe Mode it is required to press and hold the Shift button after starting your Mac. You can release the key on viewing the login window on the screen. Perform the restarting operation to live the safe mode.
Start Up from an Available External Disk: C
You have the possibility to start up your Mac from available DVD, CD or USB drive. For this the external disk should contain an operating system that is valid for your Mac.
To begin your work from an available external disk press and hold the C button after starting (restarting) your Mac. After this, you will view the Startup Manager window, which means that you can release the key. Use the Return button on your keyboard or click the arrow.
Start Up from the NetBoot Server: N
When booting from a NetBoot server, it is possible to boot from a network instead of the local hard disk or optical disk drive. For this purpose, your Mac must have a capable firmware.
Turn on your computer and follow it by immediate pressing and holding the N button. You can release the key on viewing the appeared choices and select the required network.
Startup Manager: Option (Alt)
If your Mac has several disks, you can use your Startup Manager for selecting a startup disk instead of doing it with default disk.
To invoke the Startup Manager it is required to press and hold the Option key button after restarting or starting. Release the key when the Startup Manager window pops up and choose a disk.
Start Up from Diagnostics or Hardware Test: D
If you observe some issues with your Mac and consider that they may be related to hardware, there is an option to launch the Apple Hardware Test. Also, it is possible to run Apple Diagnostics when you suppose that there is something wrong with your hardware.
To call up the Diagnostics or the Hardware Test you need to start or restart your Mac. Without any delay press and hold the D button. There will appear the choices on the screen that means that you can release the key. Proceed with selecting the necessary option for you.
Boot in Recovery Mode: command-R
When the situation with the computer seems very uncontrollable, you can find the way out by opting for Recovery Mode. You might also need to restore a Time machine backup.
To boot in Recovery Mode one should follow the start or restart operation by immediate pressing and holding the command-R buttons. When there appears Apple logo or a spinning globe, release the keys.
Click an option and select Continue.
Start Up in a Single-User Mode: command-S
If you faced some inconvenience with UNIX, there is an option of booting your Mac in single-user mode.
Promptly press and hold the command-S buttons after starting or restarting your Mac. When there is white text on the screen, release the keys.
Start Up in the Target Disk Mode: T
Files of the target disk make it possible for you to share files between two Macs, which are joined through USB-C, FireWire, Thunderbolt 2 or Thunderbolt 3. In such a way, one Mac is represented by another one as an external disk.
To start your work in target disk mode, it is required to start or restart your Mac and follow it with promptly pressing and holding the T button. In about twenty seconds release the key. You will understand that your computer starts in the target mode by the desktop icon on the other Mac. Work with it like an external disk and remove when it is not needed.
Application of these operations during starting up is required in cases when you need to fix certain issues on your Mac. In most cases, it is difficult to perform without Power button and one of the above-mentioned keyboard combinations. For sure, everyone hopes for seamless operation, but you cannot be too careful.