A recovery USB drive is a separate, portable flash drive that your computer can use instead of your main hard drive to start up from. Whatever issues you're having on your system can be bypassed ...

If your computer is having problems that prevent it from booting, such as a constant blue screen of death (BSoD), there is ...

For this, download and install it on your computer, then open it after connecting the USB device. Next, select the USB drive from the drop-down menu and attempt to transfer data to or from the device.