Universal usb installer 1 9 0 110/29/2022 ![]() ![]()
![]() I do not know if a partition can be made active for a legacy bios installer. ![]() Universal usb installer 1 9 0 1 Pc#Sure it is a good tool from some features like Windows to Go but for its legendary creation of Windows installers, it has definitely gone backwards.įinally, the steps 1-6 above can be done on a mac or linux pc as well for UEFI installers. Rufus used to be a good tool but now it is definitely inferior as you cannot create a universal boot drive anymore, and you have to mess around disabling secure boot. I turned on secure boot and it stil boots ok UNLIKE the RUFUS usb drive.Ĭonclusion - create your own usb drive as above and it will boot on any pc. I put pc into legacy bios mode and turned off secure boot and it booted ok. I put my pc in legacy bios mode from bios and the usb drive booted ok. I have even created a batch file to automate it. This may look complicated but only takes a few minutes and apart from step 7, all can be done with disk management and file explorer i.e, no need for 3rd part tools. (If you use the more complicated procedure for install.wim < 4GB it still works)\ If install.wim is less than 4 GB above is simplifedĪ) format usb drive as fat32 (only 1 6 GB partition needed)ĭ) Optional - make usb fat32 partition active. If you mark the partition active, it will still boot on UEFI pcs i.e. Step 7 is the ONLY difference beween a UEFI and legacy bios installer. Optional (for legacy bios), make fat32 partition active using diskpart commands. Wipe all partitions on usb drive from disk managementĬopy all files from iso EXCEPT install.wim in sources folder to fat32 partition So, I decided to create a bootable usb drive without using Rufus as follows which I know will work with install.wim over 4 GB as follows I tried this and indeed this was the case. Worse still, you have to disable secure boot to boot from the UEFI version. It still creates an NTFS based legacy bios installer needed if install.wim is over 4GB which will not boot on most UEFI pcs which require a fat32 partition. Universal usb installer 1 9 0 1 windows 8.1#I then downloaded a Windows 8.1 iso where the install.wim file was less than 4GB. I suspected the reason was the install.wim file is over 4 GB and cannot be written to a fat32 drive. So you can only create an iso for legacy bios or for UEFI but not both. The first thing that surprised me was the option to create a bootable iso suitable for UEFI and Bios was not there any more. So I decided to do some testing as I have not used it for a while. So many recommend using Rufus which can produce isos for either a UEFI pc or a legacy bios PC. However, it is not suitable for custom isos, or for earlier versions e.g. The created iso will boot on UEFI or legacy bios. The media creation tool is the easiest way if installing the latest standard 2004 release version. There are a number of ways i.e use the media creation tool, or download iso and use rufus. I do not take credit for the method - see Universal usb installer 1 9 0 1 how to#This mini guide shows how to create a universal usb windows 10 installer that will work on legacy bios or UEFI (even with secure boot enabled). ![]()
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