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I have a Dell Inspiron N4010 laptop running Phoenix BIOS. I downloaded the Windows 7 x64 ISO to create a bootable USB. I did this under OS X by following the instructions from this website: http://blog.lewan.com/2012/02/10/making-a-bootable-usb-stick-on-an-apple-mac-os-x-from-an-iso/

I downloaded the ISO from here: http://mirror.corenoc.de/digitalrivercontent.net/

I changed the boot settings on the Dell to make the USB the first to boot, but I get the no operating system found. The USB is UDF formated. The reason I did this on a mac is because I don't have the Windows recovery CD and I can't boot into Windows.

Kamil Maciorowski
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user420321
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2 Answers2

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I was able to create a bootable Win 7 recovery USB by loading a Windows 7 ISO in VirtualBox on OS X

user420321
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I have found that some newer machines, only see an OS when it is loaded in extended bios. They seem not to see an OS if it is in Legacy. And your boot usb has to be formated so ebios not legacy sees it. The easiest way is to download OS and let MS load it.

ibm650
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