It is suggested that you must create a bootable USB drive if you want to keep your computer system running. $Volumes = (Get-Volume).Where().DriveLetter).If you are experiencing trouble while booting your Windows OS, there might be multiple reasons for the booting failure. Mount the Windows 10 installation ISO image: $Results = Get-Disk |Where-Object BusType -eq USB |Out-GridView -Title 'Select USB Drive to Create UEFI bootable device' -OutputMode Single |Clear-Disk -RemoveData -RemoveOEM -Confirm:$false -PassThru |New-Partition -UseMaximumSize -IsActive -AssignDriveLetter |Format-Volume -FileSystem FAT32 Once you have selected the drive you want, it will be erased, a primary partition will be created and it will be formatted with the Fat32 file system ( Disk Management module cmdlets are used): The following PowerShell one-liner will list the connected USB media devices. You can also use the PowerShell cmdlets to create a bootable UEFI flash drive. Create Windows Bootable USB Stick for UEFI with PowerShell It must have either the same filename or shell圆4.efi. Some motherboards also require boot圆4.efi to be copied to the root of the USB flash drive. Copy the bootmgfw.efi file to the f:\efi\boot folder and rename it to boot圆4.efi. Copy the entire content up one level (to the F:\efi\boot directory).Go to f:\efi\microsoft\boot folder on the USB flash drive.If you are creating an installation USB flash drive with Windows 7 / Windows Server 2008 R2 for a UEFI computer, you need to take additional steps: Create a Windows 7 Installation USB Drive for UEFI During the installation process of the operating system, the Windows installer itself will collect the SWM files and apply the full WIM image to the hard drive. The resulting files (install.swm, install2.swm, install3.swm …) must be copied to the F:\sources directory on the USB flash drive. Imagex /split D:\sources\install.wim c:\tmp\install.swm 3000 To do this, you can use the command:ĭism /Split-Image /ImageFile:D:\sources\install.wim /SWMFile:c:\tmp\install.swm /FileSize:3000 In this case, the install.wim file will need to be split into a number of files of up to 4 GB each. If you have security updates slipstreamed into the installation WIM image, added device drivers, etc., the size of the install.wim file may exceed 4GB. Because the maximum file size on the FAT32 file system should not exceed 4 GB, you won’t be able to copy the large install.wim image file (this problem most commonly occurs with modified Windows images). It gives you complete control (and understanding) of all bootable USB flash drive creation stages. The following procedure is for advanced users and is performed from the command line. You can manually create a bootable UEFI flash drive with the Windows installation image you want. Using Diskpart to Create UEFI Boot-Stick in Windows You can download ISO images with the latest builds of Windows 8.1, Windows 10, and Windows 11. You will be able to choose which version of Windows you would like to download. When you have done this, a Download button will appear in the Rufus interface. To do this, you need to enable the daily update check when you start Rufus. Your bootable USB with a Windows image for installation on a UEFI computer will be ready in 10-15 minutes.įrom version 3.5, Rufus supports the download of Windows installation images. Image option: Standard Windows InstallationĬlick START to write a Windows image to a USB flash drive.Boot selection: specify the ISO file that contains the Windows installation image (you can create an ISO image with the latest Windows 10 build using the Media Creation Tool, see the example).
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