If you don’t have this option, you will need to restart your computer and get to the BIOS using your hardware’s default key. As soon as you see the logo, you will need to hit either F1, F2, F6, F10, or Del to enter the BIOS menu—the key you need to press should appear quickly on the screen (look for “Press X to enter setup”).

If you’re using a Lenovo PC, for example, you’ll select the Boot tab at the top. You may have to select a menu called Advanced, Storage, or System Configuration to find the Boot or Boot order menu. [1] X Research source

If you don’t see an option to change the order of the drives, you may just need to switch on a setting that enables “USB Boot” or similar.

Be sure to remove the flash drive when you’re done using it. Otherwise your PC will try to boot from it the next time you have to reboot.

Be sure to remove the flash drive when you’re done using it. Otherwise your PC will try to boot from it the next time you have to reboot.

Be sure to remove the flash drive when you’re done using it. Otherwise your PC will try to boot from it the next time you have to reboot.

Click the Apple menu at the upper-left corner and select About This Mac. [2] X Research source If you see “Chip” followed by a name like “Apple M1” (or similar), you have an Apple Silicon chip. If you see “Processor” followed by a name that starts with “Intel,” you have an Intel processor.

Apple Silicone: Press and hold the Power button until you see “Loading startup options. " At that point, let go of the button. [3] X Research source Intel: Press and hold the Option key as you restart your Mac. Keep holding down the Option key until you see a list of available startup disks.

This won’t permanently change the boot order. The next time you start up your Mac, it’ll start from your regular hard drive as normal.