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Windows 7: Boot from USB

29 Nov 2011   #1

Windows 7 Home Premium x64, Mac OS X 10.6.2 x64
Boot from USB

I have problems when booting from USB. It just won't work.

I hit F12 to choose what to boot from and choose the USB that was formatted to boot with windows 7 installation. It flashes the screen then stays on that menu in the bios.

And I've even tried changing the boot order to USB first and it goes straight to the HDD.

So is there any way to make it boot from the USB?

My System SpecsSystem Spec
29 Nov 2011   #2

Windows 10 Pro X64

How did you create the bootable USB drive? What instructions did you follow? Provide a link please.

This is what our install guru Gregrocker recommends:
See here for a very easy way to create a bootable flash drive from a bootable CD or DVD: Universal USB Installer Easy as 1 2 3

IMORTANT NOTE: Ensure that your USB drive is fat16/fat32 formatted, otherwise Syslinux will fail and your drive will NOT Boot.

USB Flash Drive Creation Prerequisites:

Windows XP/Vista/7 to create the USB (Win 98/2K WILL NOT Work!)
Fat32 Formatted Flash Drive
PC with a BIOS that can boot from USB
My System SpecsSystem Spec
29 Nov 2011   #3

Windows 7 Home Premium x64, Mac OS X 10.6.2 x64

That was actually the guide I followed. And both Windows 7 and Ubuntu failed to boot from the USB when I installed both of them.

And Im like 99% sure that my BIOS can boot from a USB. I remember doing it in the early days of my computer before tons of bcd customizing and changing the mbr with various OS. It came with vista and it seemed to stop working a bit after I installed Windows 7 as a clean install.
My System SpecsSystem Spec

29 Nov 2011   #4


I'd try another stick. I've never seen Univ USB installer fail to correctly write the Win7 installation ISO to stick so that it boots.

Try resetting the BIOS to defaults.

The other method I use is to install UltraISO trial version, select Open ISO or DVD on File tab, then Write Disk Image on Bootable tab, use Format button (to make sure its getting formatted correctly), then Write button.
My System SpecsSystem Spec

 Boot from USB

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