disk is not bootable

To do a Full System backup >
http://www.macrium.com/reflectfree.aspx?x-ca=blog

mla said:

as NavyLCDR suggested it is clear that the best way for ISO or bootable media creation is MS tool in link that I mentioned in previous post.
I saved the ISO and yes there is an option for USB key creation.
The only question I have and going to test later today on similar laptop model (don't want to wipe out current install) is:
if the recoverydisk created on USB stick containing system files (3GB + in size) will allow to install CLEAN Windows.
In other words, is it equal to Windows 10 DVD? Just after boot process will go to Recovery menus.

Why I am asking ... to be sure that we can generate bootable and ready for clean install stick at any given time as soon as the system is in good working state ( in case there is no DVD).
I know that in 8.1 there was no option to have WIM file on recovery disk. Looks like WIM is clean image (as ISO).
Thanks to all.

Unlike earlier versions of Windows which often had recovery partitions which contained a compressed copy of the OS, Windows 10 no longer does that.

The small recovery partition just contains the tools to rebuild the OS from compressed files on the C drive ie not using a copy anymore, saving up to 5GB of diskspace.

To this end, the end result of a recovery drive installation and a clean installation (using usb stick or dvd created from MS standard iso) are effectively more or less the same thing now, except a recovery drive is quicker and more convenient.

You need to be careful with tablets/hybrids as they sometimes contain drivers not in the standard iso.

So it is a good idea to back up your 3rd party drivers in case you need to do a clean install.

http://woshub.com/how-to-export-driv...indows-8-1-u1/

(works for Windows 10 as well).