8/2/2023 0 Comments Wipefs to remove btrfs![]() ![]() This is simpler and safer, and it may be adequate for many purposes. Of course, you might not even be able to boot your computer in EFI mode, so you might have to do it by converting your partition table.Īn alternative to either approach is to run Windows from within VirtualBox or some other virtualization environment under Linux. Thus, it's hard for me to say which approach is best. (You'll need to do this after installing Windows in BIOS mode anyhow, so you might as well put this off until after you install Windows.)ĮFI-mode booting with GPT is still very new and can be trouble-prone, but converting your partition table from GPT to MBR is also a rather risky endeavor. When you're done, Ubuntu will no longer boot you'll need to re-install the boot loader. There are, however, a lot of caveats and details to such a conversion see the GPT fdisk documentation for details. You can do this with GPT fdisk (gdisk) by using its "g" option on the "recovery & transformation" menu. Convert the hard disk to use MBR partitioning rather than GPT.Sometimes hitting the button to get to the boot options when you boot will produce two options for booting your CD: one in BIOS (aka legacy) mode and the other in EFI mode. To boot in EFI mode, you may need to fiddle with your firmware settings to enable EFI-mode booting. If it's new (sold in the last 6-12 months), it probably supports EFI-mode booting. This might or might not be possible, depending on your computer. Boot the Windows installer in EFI mode.There are two ways to work around this problem: If Windows is complaining about your use of GPT, that means that the Windows installer has booted in BIOS mode rather than in (U)EFI mode. GPT is the GUID Partition Table, which is a method of defining partitions (not protection) on your computer. ![]()
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