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Why does W10 media creation tool always have to redownload?



 
 
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  #16  
Old February 23rd 19, 08:09 AM posted to alt.comp.os.windows-10
Ant[_3_]
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Posts: 873
Default Why does W10 media creation tool always have to redownload?

Paul wrote:
Ant wrote:
VanguardLH wrote:
Ant wrote:


I noticed it keeps having to redownload every time I run it to make new bootable USB medias. Why? Shouldn't it
already have everything downloaded since it was completed earlier? W10 installers are huge!


Okay, I'm confused (but then I haven't had my coffee yet). The Windows
10 Media Creation Tool lets you download an .iso file. Why aren't you
saving the .iso files?


https://www.youtube.com/watch?v=3ZJEClyPnGg
At timemark 2:01, select to download an ISO file.


MCT is, as it is named, a media creation tool, not an incremental
updater.


How would I make the USB flash drive bootable with it like optical discs?


Popup boot menu key (Preferred).
Try pressing F10 right after powerup and
keep pressing until a blue-framed menu shows up.


https://01.org/projectceladon/sites/...ges/splash.jpg


There will be two entries


Windows 10 UEFI


Windows 10


Since the USB key is a hybrid, it boots either. If you want
to do a UEFI/GPT install, then you'd select the first option.
If you wanted a legacy MSDOS installation (with 1MB alignment),
you'd use the second option.


*******


Or in the BIOS setup screen. Some BIOS setup screens also allow
including the current USB sticks to show as options. But
this is an inconvenient way to do it, since the intention of
the BIOS setup screen is to make "permanent" changes. The
F10 popup boot is for "temporary" boot choices.


So I can just copy the huge ISO file into an USB flash stick, and
boot from it? That's it?

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  #17  
Old February 23rd 19, 11:16 AM posted to alt.comp.os.windows-10
Paul[_32_]
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Posts: 11,873
Default Why does W10 media creation tool always have to redownload?

Ant wrote:


So I can just copy the huge ISO file into an USB flash stick, and
boot from it? That's it?


You need a tool to do the transfer.

As I understand it, "dd" isn't enough. (This is
not Linux after all.)

The following program uses "bootsect.exe", amongst
other things. It extracts bootsect.exe off the Vista thru
Win10 ISO you're feeding it. Which is really a dumb-ass
way to do it.

The first link is the README, the second link the download.

http://web.archive.org/web/201201022...usbdvd_dwnTool

http://web.archive.org/web/201110052...B-DVD-tool.exe

And I showed one picture of a USB stick I have
here with some version of Windows 10 on it. It was
done with the Windows7-USB-DVD-tool.exe (which converts
an ISO for usage on a USB stick). You can see it's just
copied most of the files over, off the ISO image. But it
also has to take care of some tiny boot issues as well,
and I don't think that's documented anywhere.

https://i.postimg.cc/x1TddGrX/sample...rom-an-ISO.gif

Paul
  #18  
Old February 23rd 19, 09:36 PM posted to alt.comp.os.windows-10
VanguardLH[_2_]
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Posts: 10,881
Default Why does W10 media creation tool always have to redownload?

Ant wrote:

So I can just copy the huge ISO file into an USB flash stick, and
boot from it? That's it?


The .iso itself is not bootable. It just has the setup program's files.
You copy its contents (extract from the .iso file) to the target
bootable media -- after first prepping that bootable media. You don't
want the .iso file on the bootable drive. You want the files inside of
it on the bootable drive.

PowerISO (not free, 30-day trialware, $30 afterward)
https://www.poweriso.com/tutorials/h...-usb-drive.htm

Rufus (free)
https://rufus.ie/
https://www.youtube.com/results?sear...rufus+bootable

WinUSB (seems to be free)
https://www.winusb.net/
Doesn't require reformatting, so you can leave your data files on the
USB drive and add the boot records as long as there is enough additional
space on the USB drive.

Diskpart (free, included in Windows)
"Make a bootable USB drive with the Windows utility program Diskpart"
https://www.ionos.com/digitalguide/s...ble-usb-drive/
The command shell under which you run diskpart.exe must have admin
privileges. Diskpart has quirks, like drive numbers start at a count of
zero (0) while partitions start at 1. Remember to first sel[ect] a
drive, so you can then sel[ect] a partition. Make damn sure you have
the correct drive selected first; else, you'll be ****ing over the
partition(s) on your other HDDs or SSDs.
  #19  
Old February 23rd 19, 09:43 PM posted to alt.comp.os.windows-10
VanguardLH[_2_]
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Posts: 10,881
Default Why does W10 media creation tool always have to redownload?

VanguardLH wrote:

Rufus (free)
https://rufus.ie/
https://www.youtube.com/results?sear...rufus+bootable

WinUSB (seems to be free)
https://www.winusb.net/
Doesn't require reformatting, so you can leave your data files on the
USB drive and add the boot records as long as there is enough additional
space on the USB drive.


I haven't delved into why but users that have benchmark the file copy
process (extracting files from the .iso file to copy onto the already
prepped target bootable media) have found WinUSB is 12% faster at
copying the files than is Rufus. That's after the formatting has
completed and just for the following files copying.

If you already have a formatted USB drive, WinUSB doesn't require a
format again - but make sure you have enough free space on the bootable
drive to accomodate all of the ISO's files.
  #20  
Old February 23rd 19, 09:51 PM posted to alt.comp.os.windows-10
VanguardLH[_2_]
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Posts: 10,881
Default Why does W10 media creation tool always have to redownload?

There are also partition managers that help build a bootable USB drive,
like AOMEI's Partition Assistant with its Windows To Go function. See:

https://www.disk-partition.com/win2g...sing-0310.html

There are some backup proograms that have the Windows To Go function,
like:

https://www.easeus.com/todo-backup-r...o-creator.html

I had this backup program a long time ago but don't remember if this
function was available in the free version of To Do Backup, plus I never
had to clone a drive or create a bootable USB drive for Windows back
then.
 




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