A bootable device, also known as a bootable medium or bootable media, refers to any storage device from which a computer can start or "boot" its operating system. When a computer is powered on, it needs to load the operating system into its memory to become fully functional, and this process is initiated from a bootable device.
Common types of bootable devices include:
1. Hard Disk Drive (HDD): The primary internal storage device in most computers, the HDD can contain the operating system and boot files necessary to start the computer.
2. Solid-State Drive (SSD): Similar to an HDD, an SSD can also be used as a bootable device. SSDs are faster, more reliable, and increasingly popular as the primary storage device in modern computers.
3. USB Flash Drive: A USB flash drive, often referred to as a thumb drive or USB stick, can be made bootable by copying the necessary boot files and an operating system onto it. It allows you to boot a computer from the USB drive, which is useful for tasks like installing or repairing an operating system.
4. CD/DVD: A bootable CD or DVD can contain an operating system installation disc or a specialized bootable software disc. When inserted into a computer's CD/DVD drive, it can initiate the boot process and load the required files.
5. External Hard Drive: An external hard drive connected via USB or other interfaces can also be set up as a bootable device. It requires copying the necessary boot files and operating system onto the external drive.
6. Network Boot: In some cases, a computer can be configured to boot from a network server rather than a local storage device. This allows for centralized management and deployment of operating systems or disk images across multiple computers on a network.
To create a bootable device, you typically need to follow specific procedures depending on the desired outcome, such as installing a new operating system or running specialized diagnostic tools. The process may involve creating a bootable image file, configuring the device's boot order in the computer's BIOS or UEFI settings, and copying the necessary files to the bootable device.
It's important to note that when using a bootable device, such as a USB flash drive or external hard drive, you may need to select it as the primary boot option during system startup. This selection can usually be made by pressing a specific key (e.g., F12 or Esc) to access the boot menu.
Bootable devices are versatile and allow for various system management tasks, including operating system installations, system recoveries, virus scanning, and data backup or migration. They are an essential tool for troubleshooting and maintaining computers.
What is Diskpart ?
DiskPart is a command-line utility in Windows that allows users to manage disks, partitions, and volumes on their computer. It provides a powerful set of commands for disk-related operations, such as creating partitions, formatting drives, assigning drive letters, and managing disk attributes. DiskPart is particularly useful when performing advanced disk management tasks or automating disk operations through scripts.
Follow the below process to create a bootable pendrive -
1. Plug-in a USB Flash drive to USB port.
2. Open a elevated command prompt (right click on CMD and run as admin, provide admin credentials).
3. Type DISKPART
4. Next type LIST Disk. In the below screenshot Disk1 is the USB drive (or Pendrive)
5. Type SELECT DISK 1
6. Clean
7. CREATE PARTITION PRIMARY
8. SELECT PARTITION 1
9. ACTIVE
10. FORMAT FS=NTFS quick
11. ASSIGN
12. EXIT
13. Mount the ISO file to virtual disk using any disk imaging software like Power ISO or Magic ISO (in case of Windows 7, Windows server 2008/2008 R2), Double click on the ISO (in case of Windows 11/10/8.1/8, Windows server 2012/2012 R2).
14. Now copy the content of ISO to the USB drive.
After the copy is done this USB drive can be used to deploy machines. In BIOS Set “Removal Device” as
the first boot device under boot priority option.
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