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#1
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REPLACE 64BIT WITH32BIT
Installed the 64bit and want to replace it for my own reason with the 32bit.
Downloaded the 32bit ISO and burned a DVD and the DVD runs and comes up with do I want to install and reply yes and then it says insert the DVD labelled 64 bit, then I can't get any further, tried to find if there were any command line switches for setup to overwrite the 64bit request but I can't find out about any. |
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#2
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REPLACE 64BIT WITH32BIT
On 04/24/2015 11:16 PM, Tom Perrett wrote:
Installed the 64bit and want to replace it for my own reason with the 32bit. Downloaded the 32bit ISO and burned a DVD and the DVD runs and comes up with do I want to install and reply yes and then it says insert the DVD labelled 64 bit, then I can't get any further, tried to find if there were any command line switches for setup to overwrite the 64bit request but I can't find out about any. Hi Tom, You have to wipe and start over. And, you have to use the specific 32 bit iso. There is no command line switch that I know of. Here is the last iso, which is 10041: http://windows.microsoft.com/en-us/w...so-update-1503 -T |
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REPLACE 64BIT WITH32BIT
Tom Perrett wrote:
Thanks all for your replies, muggins put his brain into gear and realised I was doing the wrong thing by trying to run SETUP from within Win10 64 and needed to just boot off the DVD, of course that worked like a charm. Thanks for the help folks Tom Yes, you're not allowed to do an upgrade install, changing 64 bit to 32 bit or vice versa. Upgrade installs happen by running setup.exe from the DVD, with Windows already running. You need to do a clean install, by booting the DVD. Blow away the OS, to change from 64 to 32 or 32 to 64. You could even install two copies on the hard drive if you want. A 32 bit and a 64 bit, and have the boot manager list both OSes. The best way to do this, is to define an empty partition before starting the second installation (and make sure the installer puts the new OS there!). If you don't do that, Windows has a tendency on MBR disks, to created an Extended and a Logical partition within the extended - and most people are unprepared for such a mess. I discovered this purely by accident one day, installing Win2K on a Win2K disk (total, two copies). I expected it to use up a Primary partition slot, and instead, it created an Extended partition and put a logical partition in it. The logical cannot boot - it requires the boot manager and boot files in the first OS Primary partition, to bootstrap things. An OS left in a Logical partition, there's not much you can do with it later, if you need to delete the first OS installed. That's why I consider what the installer does in that case, to be so counter-productive. If you feed it your own partition choices, you'll get a better result. Paul |
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