How To Boot From USB Pendrive or Flash Drives

Why We Need To Boot Computer Using Any USB Pen Drive or a CD or DVD?

Firstly why need to do this? Let say we need to boot computer using any external source like flash drives, DVD, CD to change or upgrade operating system installed in computer hard disk. Sometimes we need to boot for repairing PC due to corrupted or malfunctioning system files of the operating system. Initially Computer by default boots or starts from internal hard disk present in the computer case or commonly called as computer cabinet or chassis.

The main reason behind corrupted system files occurs due to viruses or accidentally deleting or upgrading some of the important system files which are necessary for computer booting. If our system doesn’t find any bootable system files it refuses to boot from internal hard disk and usually we get an error “ DISK BOOT FAILURE REPLACE THE DISK AND PRESS ENTER” or “INVALID SYSTEM FILES” or “SYSTEM BOOT FAILURE”

In that case, we need to boot our computer from any other medium nowadays USB pen drive or USB flash drives are primary sources for booting computers as they are easy to handle and extremely easy to create brand new bootable pen drives.

To start the process you will need a USB PEN DRIVE | FLASH DRIVE to start the process.Initially, you have to create a bootable USB pen drive using any software which allows us to create a bootable medium. There are certain requirements to create a bootable USB pen drives which allow us to boot a computer and to install a fresh copy of any operating system which you intend to install on your computer hard disk.

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Complete Process How to Boot Computer from USB Pen drive

Firstly you will need a USB pen drive whose capacity must be greater than 8 GB in size as the files which are about to copy in your flash drive should be less than the capacity of flash drive otherwise it would be very difficult in creating a bootable medium which works absolutely fine during the process of windows installation and computer booting.

how to boot computer from usb pendriveUSB Pendrive

Secondly, you will require software which allows us to create a bootable medium. I have mentioned some of the free software which helps us doing our task of creating a brand new USB BOOTABLE DEVICE of our own they are as follows::

  • Novicorp Win To Flash
  • Rufus
  • Win to Bootic

The above mentioned are some of the free and famous software which are used commonly by professional to create bootable USB PEN DRIVES which helps us in booting computer.

Using startup or rescue CD and DVD for booting has its disadvantages as they are very hard to keep clean and scratch free they get easily damaged and corrupted .Whereas using USB is very easy for creating and maintaining them and one of the most important factor why USB PEN DRIVES are preferred over bootable CD OR DVD as they are re-writable.

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System Requirements for creating a USB Pen drive for Computer Booting ::

Pen drive More than 8 GB High Speed... Click Here to Create Bootable USB Pen drives

. Working USB Slot’s.

Let Us Boot Computer Using bootable Pen drives

Step 1 ::Plug Your USB Pen drive In any USB slot which are present at the front and back End Of case | cabinet. Kindly check your motherboard manual whether or not it supports higher versions of USB as higher version has a great transfer rate and hence boots up the speed of computer booting and operating system installation or repairs.

Step 2 :: Restart Your System , When computer Boots .Go to CMOS Setup / BIOS Configuration By Continuous Pressing DEL Key From Keyboard Some common Keys are F1,F2,F10,F12 . Here I am not sure which key should be used to enter BIOS OR CMOS configuration setup as the key to enter differs from manufacturer to manufacturer of motherboards which has a different BIOS CHIP.
Therefore above I have mentioned some of the common keys which are used usually in the process of entering BIOS and changing the boot order.

Tip :: Go To Your Computer Motherboard Manual And Find Which key to Hit to Go to CMOS Setup ...Sometimes It can be seen while Computer starts at the Bottom of the Screen when computer starts or just press f12 function key to find yours.) .

Step 3 :: After Pressing Key You Will Find Picture as mentioned below..CMOS / BIOS could not look exactly as shown in the figure .BIOS Feature Depends upon the BIOS Manufacturer. Your BIOS May Does not look Likes ours but if You closely look at it You will definitely get an idea...Some common Bios are Award, Pheonix.
Nowadays system BIOS has updated themselves and you can even use the mouse to change the CMOS default setting by simple clicking before some years we use only keyword keys to access BIOS UTILITY.

How To Boot From USB Pen Drive

Step 4 :: Go to Advanced Setup And press Enter Key from Keyboard... change the setting to
1st drive= Your Pen drive Here i Have used SanDisk.
2nd drive = Your Computer Hard disk (ST380815AS) You can also change the setting by page up and page down key or + - keys from keyboard.
Here I found it very important to mention something that the 1st device which is listed in the section computer usually boots or starts from there. Let say if you chose to boot from pen drive your 1st order must be pen drive if you want to start from hard disk your 1st order must be hard disk and so on..

How To Boot From USB Pen drive

Step 5 :: Now Just Press F10 from Keyboard and save the setting by Pressing Enter Key from Keyboard..

How to Boot From USB  Pen drive

Step 6 :: Create Bootable USB Pen drive Using the link Above.This Screen appears when you Boot computer Using windows XP Bootable pen drive. Click On the 1st ,Text mode setup (Boot from Flash Again after Finished)

How To Boot From USB  Pen drive

Step 7 :: Congratulation you have successfully Started your computer using Windows XP bootable USB pen drive.

Note:: (Use same Process for windows 7 ,Windows 8 ,Ubuntu ,linux,Mac)

If you are seeing this pictures that seems you have successfully booted your computer using USB PENDRIVE or USB FLASH DRIVES. The Process of computer startup remains the same of any other operating system like windows XP, 7, 8, or 10.

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In the process of creating USB, PEN DRIVES you will need windows iso files or simply windows system files which are used in creating a bootable medium.You can obtain a fresh copy of windows iso files in our other article. If I have missed any of the technique or method please do write your suggestions and queries regarding “ how to boot computer from USB PENDRIVE”. Please like and share.