How to Boot a Computer from an External Hard Drive

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. Click the Windows icon in the lower left corner of the screen.

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at the bottom left of the Start menu. A menu will pop up.

• You may need to select the Advanced tab first to see the “Boot Order” menu.
• BIOS on each computer is different, so don’t be afraid to look for the “Boot Order” option somewhere in the menu.

• In some cases, you can only select USB devices (or similar) in this menu. Then you need to make sure that the external hard drive is the only USB drive connected to the computer when rebooting from the external hard drive.

• In some cases, the keynote is located at the bottom of the screen.

• You may need to confirm this step again by pressing another key.

• For example, if you are installing Linux, you will be asked to select your language and country, enter your user information, and so on.
• If you have the operating system installed and set up on an external hard drive, after completing the BIOS setup, the operating system will open.

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. Click the Apple icon in the upper left corner of the screen. A drop-down menu will appear.