I need to make a windows 7 install usb drive using debian 10.6 but need to use a dvd with windows 7 on it - I don`t have a separate ISO file on the desktop.
Etcher rufus and the rest don`t work with my Debian box.
Any solution ?

How far did you get with your previous project? I'm sure you can continue from that.

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It`s a different situation. The PC i need to install windows 7 on does not have a DVD drive so i need to do it from a USB drive but only have a DVD with windows 7 on it & now use Linux so i need to copy the windows 7 iso read only image from the DVD to a USB drive W/O installing on the host system running Debian. I tried the usual USB creators but they don`t work on Debian.
I hope this explains things better.

Ps.I had forgotten about my previous post and thanks for reminding me.
The reason being that FireFox and every other browser keeps locking up with a full install & gets very annoying but Tor does it far less so i stsrted using it for the most part,
but some sites don`t like it.
I also found that a live Debian does not lock up but has no persistence so saving browser extensions,bookmarks is not possible.
Thank`s for reminding me.
TokTok.

You should be able to use dd to create an .iso from the DVD, and then dd to write the .iso to the thumb drive. If the target machine can boot from USB it should work. Very crudely it will look like this:

Step 1
dd if=/your/optical/drive of=/some/location/windows7.iso

Step 1a:
Do @michaelk's guidance from Post #5 (below this one) on the iso

Step 2
dd BS=4M if=/some/location/windows7.iso of=/your/usb/drive conv=fdatasync

Use lsblk or some other means to figure out your optical drive and USB device's actual names (e.g. /dev/sr0 and /dev/sdc).

If you want to see this in 'guide' format:
Scroll down to the 'linux' section, in the second part (after the Brasero example): https://www.howtogeek.com/228886/how...mac-and-linux/

Writing to the USB device is basically those directions 'in reverse' - you will select the created .iso as the if (Input File) and the USB device as the of (Output File). If you want to see more directions, they have the 'inverse' in another article (https://www.howtogeek.com/414574/how...rive-in-linux/ - scroll down to the 'dd' section).

With the above process the USB drive will not be bookable. You need to convert it to a hybrid image first.

https://wiki.syslinux.org/wiki/index...itle=Isohybrid

I've never had problems doing that (dd write out) with linux ISOs - is the Windows installer ISO somehow different? (I'm genuinely asking for clarification)

The ISO files you download to install Linux are already hybrid i.e. they are bootable from either an optical disk or flash drive.

The boot process is different for optical disks and does not work for regular drives. The copied image file is not a hybrid image.

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Learn something new everyday - how about that.

Been a (long) while, but last I tried to create a USB system image from Win7 it refused to. Had to be a DVD.
This was using the control panel (?) tool. Works ok in Win10, but I never got it to work to USB on Win7. As michaelk mentions, Linux has no reason to be so restrictive.

TokTok,

Download the W7 64-bit ISO from here and then put it on a USB drive:
https://softlay.net/download/file

Search for "windows 7 iso site:microsoft.com"

Top result: https://www.microsoft.com/en-us/software-download/windows7 - "If you need to install or reinstall Windows 7 you can use this page to download a disc image (ISO file) to create your own installation media using either a USB flash drive or a DVD."

Please put in such effort yourself next time!

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