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ISO 9660s



 
 
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  #16  
Old July 3rd 18, 07:21 PM posted to alt.windows7.general
Brian Gregory[_2_]
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Posts: 166
Default ISO 9660s

On 03/07/2018 19:11, FredW wrote:
On Tue, 3 Jul 2018 19:02:35 +0100, Brian Gregory
wrote:
On 03/07/2018 17:58, FredW wrote:
On Tue, 3 Jul 2018 17:25:49 +0100, Brian Gregory
wrote:

ISO is for optical disks.

Wrong

WTF would you expect anything to understand it if you write it to a USB
drive?

I write ISO's to USB sticks using Rufus.
http://rufus.akeo.ie/
or UnetBootin
https://unetbootin.github.io/
or ...

There is nothing wring with writing an ISO to USB.
Then you can start your computer from the ISO on your USB.

Try it, a new world will open to you,
:-)

[or read more carefully, not USB drive, but USB stick]


They why are there special programs like Rufus that look in the ISO and
work out how to make a bootable USB stick from it?


???
I prefer a bootable USB stick over a (clumsy) bootable DVD/CD.
What is your problem with that?


It may work sometimes but you cannot rely on it to work with absolutely
any bootable ISO.


It does not work sometimes but always.
(at least it has been many years for me)
Have you ever tried?


How can you possibly think it would work always?

Maybe the boot "sector" or black would always be loaded, I don't know
but what by twisted logic would you assume that the boot sector would
always we written to expect to find either a USB stick or an optical
drive to finish loading from??

--

Brian Gregory (in England).
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  #17  
Old July 3rd 18, 07:22 PM posted to alt.windows7.general
Brian Gregory[_2_]
external usenet poster
 
Posts: 166
Default ISO 9660s

On 03/07/2018 19:21, Brian Gregory wrote:
How can you possibly think it would work always?

Maybe the boot "sector" or black would always be loaded, I don't know
but what by twisted logic would you assume that the boot sector would
always we written to expect to find either a USB stick or an optical
drive to finish loading from??


s/black/block/

--

Brian Gregory (in England).
  #18  
Old July 3rd 18, 10:29 PM posted to alt.windows7.general
Paul[_32_]
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Posts: 11,873
Default ISO 9660s

Brian Gregory wrote:

They why are there special programs like Rufus that look in the ISO and
work out how to make a bootable USB stick from it?


Rufus is not required for Hybrids.

Linux Mint ISO and Ubuntu ISO are Hybrids with
legacy/UEFI capability when used optically,
as well as additional partitions for USB booting.

Simply do a sector by sector transfer of the ISO
to a USB stick, and it's ready to go.

The fact that Windows does a poor job of mounting
partitions ("for a look") is besides the point.
(Windows by default only sees one of the three partitions.)
If you want to look inside while the content is
on a USB key (sector-by-sector), try modern 7ZIP and
it will allow looking inside the USB stick.

The fun comes later, when you want to erase the USB
stick. Windows Diskpart is unlikely to support
"clean" on a USB stick. And this is because
a lot of USB sticks are saddled with the
wrong value of RMB bit.

*******

A *non-hybrid* disc may require Rufus or UnetBootin.
And there's probably still a few of those out there.

To put a *Windows* hybrid on a USB stick, use

Windows7-USB-DVD-Download-Tool.exe

and it works with installer DVDs from
Vista to Windows 10.

Paul
  #19  
Old July 4th 18, 10:49 PM posted to alt.windows7.general
T
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Posts: 4,600
Default ISO 9660s

On 07/01/2018 11:17 AM, Bill Cunningham wrote:
I am seeing that siple ISOs are not really working on Wind 7 ultimate. The
ISOs have UDF data in them and have to be booted from a DVD/R(W). Anything
to make things harder. Even ISOS made without UDF aren't showing up on my
OS. They aren't recognized or the OS says the USB stick is raw or full and
shows no data.

Bill


Hi Bill,

I see this all the time with Dell's with the computers in the
the back of the monitor. They are essentially laptops mounted
in the back of the monitors case. And I won't say they suck,
they are so-so, but I would say that I'd never personally own one.

The solution is to get an external DVD drive and a powered USB
hub. The "in spec" power drain will crash the ports on
this style of computer.

I carry an external DVD with me for this reason. Only
some DVD disks will work these computer and never the ones
I want to use.

HTH,
-T
 




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