Disk not mounting. The general steps to install Windows OS on a USB flash drive are like this:
Only USB flash drives will be listed in the USB Device list.If you can't see your USB flash drive in the list, firstly try formatting your USB flash drive with Windows Format tool (Goto My Computer - Right Click USB Drive - Click ‘Format' - Click ‘Restore device defaults' - Keep ‘Quick Format' Checked - Click ‘Start') and then click the refresh button on the right.
- From there you select the USB drive you're using, and it should proceed to boot from the recovery drive. When you successfully boot from it you'll see a screen that offers a Troubleshoot option.
- To create a bootable USB flash drive Insert a USB flash drive into a running computer. Open a Command Prompt window as an administrator.
- First, create a bootable USB flash drive.
- Second, download the Windows image on the bootable USB drive.
- Third, go into the BIOS settings, set the USB as the boot priority and choose to boot from USB.
But here comes the problem, you took the right steps and enter into the BIOS environment with success, only see that the bootable USB drive not showing up there! Why doesn't BIOS recognize or detect the bootable USB flash drive then?
Why Doesn't the Bootable USB Drive Show up in the Bios
Here we have many thinkings on solving a bootable USB not working problem, which appears to be missing somewhere. You may perhaps have attempted to reconnect the USB installation media for several times, but why the computer still doesn't recognize it? Answers are now given.
1. USB Connection Issues Resulting from Loose or Broken USB Port
Solution - Try to connect the USB drive through every USB port that is available to use on either a desktop or laptop. If necessary, find another working computer and repeat until completely exclude the factor of a not working port.
2. Incorrect BIOS Settings
Solution - You must configure the boot order sequence in BIOS settings so that your computer can make its own decision which physical device it should select to boot from. So, to make BIOS correctly detect your USB drive and pick it to boot the computer, make sure that you choose the USB as the boot sequence priority.
To make bootable USB show up in BIOS, try to specify the boot order:
- Depending on the BIOS manufacturer, press and hold ESC, F1, F2, F8 or F10 during the initial startup screen, a menu shall appear.
- Choose to enter the BIOS setup and select the BOOT tab. System devices appear in order of priority.
- To give a USB device boot sequence priority over the hard drive, try to move the hard drive device to the top of the boot sequence list, expand the hard drive device to display all hard drives and move the USB device to the top of the list of hard drives.
- Save and exit the BIOS setup utility.
Besides the fixed BIOS settings, some experienced users suggest disable Safe boot and change the Boot Mode to 'CSM' or 'Legacy' instead of 'UEFI'. So, you could possibly take this piece of advice!
3. Making Bootable USB Flash Drive Is Unsuccessful
To make bootable USB show up in BIOS, try to specify the boot order:
- Depending on the BIOS manufacturer, press and hold ESC, F1, F2, F8 or F10 during the initial startup screen, a menu shall appear.
- Choose to enter the BIOS setup and select the BOOT tab. System devices appear in order of priority.
- To give a USB device boot sequence priority over the hard drive, try to move the hard drive device to the top of the boot sequence list, expand the hard drive device to display all hard drives and move the USB device to the top of the list of hard drives.
- Save and exit the BIOS setup utility.
Besides the fixed BIOS settings, some experienced users suggest disable Safe boot and change the Boot Mode to 'CSM' or 'Legacy' instead of 'UEFI'. So, you could possibly take this piece of advice!
3. Making Bootable USB Flash Drive Is Unsuccessful
Solution - Have you checked whether your USB is really bootable or not? Some people didn't see a USB drive appearing in the BIOS boot menu only because the 'bootable' USB drive they've created is not bootable at all! Especially by means of using cmd to create bootable USB drive without any software.
To deal with bootable USB drive not showing up or recognized the issue in BIOS boot menu in Windows 10/8.1/8/7, a piece of USB bootable software could help. For example, EaseUS Todo Backup offers a feature to install Windows OS on a USB drive that ensures 100% bootable on any other computer. That is to say, using this system backup software to create a new bootable USB drive from scratch, you can easily repair bootable USB flash drive that is not showing up, detected, read or recognized!
Preparations:
- Make sure that your USB or flash drive has enough free space - larger than the system disk.
- Connect the USB to your computer.
Then, you can start to copy or clone your Windows 10/8/7.
1. Launch EaseUS Todo Backup and click System Clone. The current system partition and boot partition will be automatically selected.
2. Choose the target drive - the USB flash drive as the destination disk to clone Windows 10/8/7. Click on Advanced options and then Create a Portable Windows USB drive.
3. Click Proceed to start to cloning Windows 10/8/7 to your USB.
'My PC infected with an unknown virus and could not boot properly. I am wondering if there is a USB bootable format tool that allows me to format the hard drive to fix it. Any suggestions?'
Bootable USB Hard Drive Format Utility for Windows [Free Download]
Are you looking for a format utility that can boot itself from a USB drive so that you can use it to format a hard drive without requiring an OS or a Windows installation disk? Here, you'll find the best USB formatter available to help you resolve these issues in Windows 10/8/7 immediately.
Is there a free bootable USB hard drive format utility?
The answer is No. Some of you may think that the Windows PE bootable disk might help. Unfortunately, the Windows PE bootable disk only works to boot up an unbootable computer and temporarily access files on hard drive partitions.
What about third-party formatting tools? Most formatting tools that support creating a bootable USB disk are not free. Some are even extremely complex.
Bootable USB Hard Drive Format Utility Free Download
Fortunately, top bootable USB hard drive format utility-EaseUS partition software can format any type of hard drive for normal usage.
Usb Boot Disk Windows 10
EaseUS Partition Master enables you to create a bootable USB flash drive and start the PC from the bootable disk, and then it allows you to format a hard drive even when the Windows OS cannot boot within this tool.
After getting this software, let's move on and follow the guidelines below to resolve your problems now.
#1. Create a Bootable USB Format Tool
Usb Boot Disk Dos
EaseUS Partition Master bootable software is handy when something goes wrong with your computer operating system, especially when you can not boot it at all.
To format a hard drive on an unbootable computer, you need first create a bootable USB format disk first. Let's start creating a bootable USB format tool with the steps below:
Step 1. Prepare a disc or drive
To create a bootable disk of EaseUS Partition Master, you should prepare a storage media, like a USB drive, flash drive or a CD/DVD disc. Correctly connect the drive to your computer.
Launch EaseUS Partition Master, go to the 'WinPE Creator' feature on the top. Click on it.
Step 2. Create EaseUS Partition Master bootable drive
You can choose the USB or CD/DVD when the drive is available. However, if you do not have a storage device at hand, you can also save the ISO file to a local drive, and later burn it to a storage media. Once made the option, click 'Proceed'.
You have created an EaseUS Partition Master WinPE bootable disk now. You can manage your hard disks and partitions through the bootable drive whenever the computer fails to boot normally.
If you have RAID drives, load the RAID driver first by clicking Add Driver from the menu bar, which can help you add the driver of your device under WinPE environment, as some specific device cannot be recognized under WinPE environment without drivers installed, such as RAID or some specific hard disk.
#2. How to Use EaseUS Bootable USB Hard Drive Format Utility
How to manage your hard drive or removable storage devices at this moment? With a created bootable USB hard drive format utility at hand, you can freely perform a quick format on your problematic hard disk.
You can take the following steps to format your hard disk without running Windows now:
Step 1: Run EaseUS Partition Master, right-click the hard drive partition you intend to format and choose 'Format'.
Usb Boot Disk Utility
Step 2: In the new window, set the Partition label, File system (NTFS/FAT32/EXT2/EXT3), and Cluster size for the partition to be formatted, then click 'OK'.
Step 3: Then you will see a warning window, click 'OK' in it to continue.
Step 4: Click the 'Execute Operation' button in the top-left corner to review the changes, then click 'Apply' to start formatting the partition on your hard drive.
Windows Xp Boot Disk Usb
Besides, you can execute many more operations with the bootable USB hard drive disk, such as resize, delete all partitions, wipe a partition, migrate OS to SSD, optimize operating system, and so on.
