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Burn ISO file to USB drive

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PowerISO can not only burn ISO file to CD / DVD disc, but also burn it to an USB drive, thus to create bootable USB drive. You can then boot computer from the USB drive to setup Windows, Linux, or run a live operating system from the USB drive. PowerISO supports burning ISO file to USB drive in BIOS OR UEFI mode, thus can provide best compatibility for most of computers. 

To burn or write an ISO file to USB drive, please follow the steps,

  1. Start PowerISO (v8.7 or newer version, download here).

  2. Connect the USB drive to the computer.

  3. Click on "USB" toolbar button and select "Create bootable USB drive..." from the popup menu. You can also do it by clicking the menu, "Tools --> USB tools --> Create bootable USB drive...". 

  4.  System administrative privilege is required to write USB drive. Please confirm the UAC dialog to continue.

  5. The "Create bootable USB drive" dialog shows.

    Click browse button to select the iso file. PowerISO can write ISO files and other popular image files to USB drive, such as nrg, daa,  bin / cue, dmg, and etc. You can also select compressed image files, such as gz, bz2, xz, and lzma files.

    Select the correct USB drive from the "Destination USB Drive" list. If your USB drive is not listed, please check the option, "List USB hard drives".

    Choose the proper boot mode. For most of modern computers, UEFI mode is recommended. For old computers which doesn't support UEFI, or you have enabled CSM support in BIOS settings, you can also select BIOS as the boot mode. 

    Click "Start" button to start writing ISO file to USB drive.

  6. PowerISO will alert you that all data on USB drive will be destroyed. Please make sure that you have selected the correct USB drive, and backed up the important files in the drive before clicking OK.

  7. The program will start writing selected ISO file USB drive. The progress information will be shown when  writing. PowerISO will erase all partitions in the USB drive, create and format new partitions, then write files and boot information to the USB drive. You should get the message "Writing USB drive completed successfully." after the process completes.

  8. Reboot the computer and configure BIOS to boot from USB drive. Usually you can enter the BIOS configuration screen by hitting F1, F2, Delete or Escape while booting. The instruction may also show on the screen on boot. For most of modern computers, it is suggested to select UEFI mode for booting. If the ISO file is written in "BIOS & UEFI-CSM" or  "BIOS" method, please enable the CSM support in BIOS settings.

  9. Save and exit BIOS configuration. The computer should boot from the USB drive if no problem occurs. You can then setup operating system or run Live operating system from the USB drive. 



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