If you do nothing, your computer will go to the next device in the boot sequence list, which will likely be your hard drive.

Ubuntu Boot Usb Trial And While

Acronis Disk Director 12.5 Learn more 30-day free trial And while users historically would pop a boot media disk into their DVD or CD drive, many computers no longer come with optical disk drives.

As a result, booting from USB media is becoming the standard.

How you start that rescue media can vary depending on the operating system you are using, but there are a few general guidelines that can help get your machine started, regardless of the OS you prefer.

So if your system is unstable, you need to run a diagnostic tool on the hard drive, or you just want to load a Linux desktop just to see what its all about, lets look at how you start your machine using rescue USB boot media.

Ubuntu Boot Usb Mac From USB

How to boot a Mac from USB media Getting your Mac to load from a USB drive is fairly straightforward.

Once the Startup Manager screen appears, release the Option key.

The utility will look for any available drives that include bootable content.

Using either the pointer or arrow keys on the keyboard, select the USB drive you wish to boot from.

Once selected, either hit the Return key or double-click your selection.

NOTE: Have multiple USB devices connected to your Mac Dont worry.

The Startup Manager only lists drives that include bootable content.

Boot from USB: Windows Starting your PC using USB rescue media is not difficult, although it first requires an adjustment in the BIOS (Basic Input Output System).

Thats because the BIOS settings include the boot sequence the machine follows when starting up.

The boot order tells the machine which devices to search for the software needed to launch the computer and the priority each device in that search.

If youre booting from USB media, you must change the BIOS boot order so the USB device is listed first.

Otherwise the computer will load from the hard drive as normal.

Then t o change the BIOS boot sequence: Press the Power button for your computer.

During the initial startup screen, press ESC, F1, F2, F8 or F10.

Depending on the company that created your version of BIOS, a menu may appear.) When you choose to enter BIOS Setup, the setup utility page will appear.

All of the available system devices will be displayed in order of their boot priority.

NOTE: If you cannot find USB or Removable Devices among the device options, your BIOS may list it under Hard Drive Devices.

The computer will restart using the new settings, booting from your USB drive.

Stay alert Depending on your BIOS, you may be prompted with a message to Press any key to boot from external device and you will only have a few seconds to respond.

Ubuntu Boot Usb For Mac