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Why didn't dd make a bootable Windows USB stick?

Has anyone tried to burn a Windows 7 USB installer in Ubuntu?

Usually I run dd to burn linux ISOs, and I thought it would work for Windows 7, but the stick I burned with dd doesn't boot up on my Thinkpad T42.

The dd command ran successfully, so why didn't it work? Do you think the boot information wasn't recorded into the USB stick correctly?

dd if=SW_DVD5_Win_Pro_7w_SP1_32BIT_ChnSimp_-2_MLF_X17-59520.ISO of=/dev/sdb bs=1M
Zanna
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John
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  • windows resets the USB during boot. It has to be specifically modified in order to boot. – ravery Feb 28 '18 at 01:25
  • Hi, are all windows ISOs regular ones? or just that windows 7 is a regular one? – John Feb 28 '18 at 01:40
  • This question seems to be about Windows ISOs. Is there an Ubuntu question here? – user535733 Feb 28 '18 at 02:32
  • i don't think it is duplicated because this topic is about dd command. – John Mar 07 '18 at 13:55
  • @dsstorefile would you care to elaborate your comment into an answer? – Zanna Mar 08 '18 at 20:25
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    You have to extract and to some extend modify the structure from the Windows iso files to create working USB boot drives. This is different from hybrid iso files, which work when cloned to DVD disks as well as to USB drives. (Most but not all current linux iso files are hybrid iso files. Many linux iso files are treated with isohybrid, but it does not work to treat Windows iso files that way.) – sudodus Mar 08 '18 at 20:55

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