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I have a problem where my system thinks I have Win10 on two different drives. I bought a self-specced machine into which I transferred the HDs from my old machine. The new machine had an SSD so I used AOMEI Partition Assistant to transfer Win 10 off the old system HD onto the SSD. Everything was going well until I discovered I couldn't transfer photos off my camera SD card. The system wasn't recognising the device. It wasn't there when the system was originally built. So I decided to reinstall Win10 on the SSD. Afterwards I formatted the old system HD to remove everything.
However, every time I boot up, the system displays a screen which asks which system I want to boot up. Even though it offers me the chance to set the default, it appears to just ignore it. AOMEI PA tells me that both drives contains a small primary partition which I assume indicates that the drive contains a bootable system. I am unable to remove that from the reformatted HD.
Does anyone have any suggestions on how to clear the old HDD?
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In a command window:
bcdedit /set {bootmgr} displaybootmenu no
I wanna be a eunuchs developer! Pass me a bread knife!
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Thanks, Mark. That has removed the second choice but it still displays the correct choice for me to choose rather than going straight into it.
What exactly does that command do?
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That command should stop the boot menu showing up at all.
BCD is your "Boot (something beginning with C -- probably Configuration) Data"; all kinds of things about what you (and the machine) (and MS) want to happen when you click the switch to start your machine.
bcdedit is a command-line interface to the data.
Try running:
bcdedit /enum
That lists all the bcd entries (in the cmd window).
Look for the "Windows Boot Manager" section, and check that it has the entry "displaybootmenu No"
If it doesn't, run the command again (elevated), to put it there.
If it does, look in the Windows Boot Loader section for a bootmenupolicy item (I don't think it should be there in Win 7, but they might have added it without telling me).
If you have that entry, you can just delete it:
Bcdedit /deletevalue {current} bootmenupolicy
Don't worry; it's easy to put back, with:
Bcdedit /set {current} bootmenupolicy
If that doesn't work (or if there isn't a bootmenupolicy item), the only thing I can think of is to set the time-out of the boot menu to zero seconds:
bcdedit /timeout 0
Although I'd probably go for one second, just to remind me that it's there.
[edit] Ha! It was JSOP who mentioned Weven, but it stuck in my head. The bootmenupolicy item is certainly there in winio.
I wanna be a eunuchs developer! Pass me a bread knife!
modified 30-Jul-16 10:15am.
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Thanks for that very useful information.
I have finally got round the problem by re-installing WIN10. At the start of the installation, I deleted the partitions off the old system disk and the SSD and re-installed WIN10 on the SSD. It now boots directly into WIN10 off the SSD. I now have to re-install all my programs, but at least I have a clean new system.
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Just delete the BCD entry perhaps, if you don't need it?
You have just been Sharapova'd.
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You have a particularly nasty virus on your machine, called Windows 10. Your only recourse is to completely uninstall it, and perform at least half a dozen secure data wipes on the drive before reinstalling Windows 7.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
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You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
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When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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Yes I still prefer Windows 7 also. However dual boot issue has been a problem for a while. Maybe not this particular issue, but others.
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I personally think that Win10 is far better than WIN7 and WIN8.1 and I will certainly stick with it. I like the way you can get at all your installed apps and all the system information and actions without resorting to Godmode.
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I do love that for whatever reason the boot system is pretty stupid. When I created a boot disk on one computer to use on another, I had this problem, and the disk was not even available to boot off of.
In another case I had two disks with the system installed on it, and it would always take the first one. Seems like it should be programmed to prefer the last one run.
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Today is SysAdmin Appreciation Day[^]
And it's also the end of "Upgrade to Win 10 or we'll kill your parents" Day as well.
Coincidence? Hmmmm..... :RubsChinSmiley: 
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
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Is it coincidence that the acronym it is SAD?
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Along with Standard American Diet, which is also SAD in more ways than one.
Jeremy Falcon
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Of course a better way to show appreciation is to raise salaries. Use to be being in IT meant really good salaries, but not anymore. Think it was because of all the tech people brought in from India, China, Russia, etc.
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I came across this in our company hour registration system 
"It should be noted that no ethically-trained software engineer would ever consent to write a DestroyBaghdad procedure. Basic professional ethics would instead require him to write a DestroyCity procedure, to which Baghdad could be given as a parameter." - Nathaniel S. Borenstein
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Well, it makes sense. Otherwise, you'd have to write a custom method for each city you want to destroy. I do, however, feel that additional parameters might be necessary, such as ordinance type, a flag indicating collateral damage support, as well as some exception handling, for things like city already destroyed, an things like that.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
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You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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Quote: city already destroyed
This should throw a "CityAlreadyDestroyedException" or possibly a "CityNotFoundException".
- I would love to change the world, but they won’t give me the source code.
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I think either one of those, or CityIsAlreadySmokingHoleInGroundException.
".45 ACP - because shooting twice is just silly" - JSOP, 2010
-
You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
-
When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013
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No need to destroy the city. Let it destroy itself.
public class Bagdhad : IDisposable {
}
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Borenstein is one of the authors of the MIME protocol.
«There is a spectrum, from "clearly desirable behaviour," to "possibly dodgy behavior that still makes some sense," to "clearly undesirable behavior." We try to make the latter into warnings or, better, errors. But stuff that is in the middle category you don’t want to restrict unless there is a clear way to work around it.» Eric Lippert, May 14, 2008
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Now I know who to maim.
#SupportHeForShe
Government can give you nothing but what it takes from somebody else. A government big enough to give you everything you want is big enough to take everything you've got, including your freedom.-Ezra Taft Benson
You must accept 1 of 2 basic premises: Either we are alone in the universe or we are not alone. Either way, the implications are staggering!-Wernher von Braun
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Sander Rossel wrote: asic professional ethics would instead require him to write a DestroyCity procedure
Thinking abstractly, but not too abstractly, is a skill that many lack. Or, if you prefer:
Programming should be made as abstract as possible, but not overly abstract.
Marc
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Yeah, such an important skill and many people miss it... 
Maybe they should code a little in Piet[^]. It doesn't get more abstract than Mondriaan 
On a side note, one of the windows in our building has a sticker of part of Mondriaan's Victory Boodie Woogie
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Even that's too specific for my tastes.
I'd prefer something along the lines of
public void DestroyLocation(latitude, longitude, radius)
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