OK there seems to be a bit of a confusion around botosect.exe. I don't believe this tool is required at all to make a bootable USB device. Let me see if I understand the question first:
I am running a 32-bit Windows Operating System, have access to a 64-bit Win7 ISO, and would like to use a USB device (instead of burning the ISO to a DVD) to install 64-bit Win7 to a target computer.
1. Plug in a USB device that is 4GB or bigger.
2. Find the disk number of the USB device:
Open up an elevated command shell, run diskpart.exe.
Within diskpart, run 'list disk'. The output will list all disks on the computer. From looking at the size, infer which one is your USB disk and note down the disk number.
3. Correctly format the USB device:
Run diskpart.exe and enter the below commands one by one.
select disk <disknumber of your USB disk>
create partition primary
format fs=ntfs quick label=Win764
Now you should see a "Q:" drive in Windows Explorer. This is your USB disk.
4. Mount the 64-bit Win7 ISO:
Windows does not have a built-in ISO mount feature. So you will have to use a third-part tool. I suggest "Virtual CloneDrive". Once you have downloaded and installed Virtual Clonedrive, navigate to the folder that your ISO file is in, in Windows Explorer. Right-click on the ISO file and select "Mount". After this, all your ISO files should show up in a drive called "I:".
5. Populate the USB disk:
Copy all files and folders from I: to Q:.
6. UnMount the ISO:
In Explorer, navigate to the folder that has the ISO, right-click and select UnMount.
7. Boot from USB:
Turn off the target computer, plug in the USB device, turn on the computer, get to the BIOS boot options (using F9 or some other key, depends on your computer), select USB boot, and you should see setup run.
Hope that helps.
Welcome to Microsoft answers!
a. Do you get any error message whatsoever?
To make the USB device bootable, you need to run a tool named bootsect.exe. In some cases, this tool needs to be downloaded from your Microsoft Store account. This many happen if you're trying to create a 64-bit bootable USB device from a 32-bit version of Windows. To download bootsect:
1. Login to your Microsoft Store account to view your purchase history
2. Look for your Windows 7 purchase
3. Next to Windows 7, there is an "Additional download options" dropdown
4. In the dropdown, select the "32-bit ISO" option
5. Right-click the link and save the bootsect.exe file to the location where you installed the Windows 7 USB/DVD Download Tool (e.g. C:\Users\username\AppData\Local\Apps\Windows 7 USB DVD Download Tool)
6. Once the file has been saved, go back to the Windows 7 USB/DVD Download tool to create your bootable USB device
To install 64-bit of Windows 7 on your computer it is essential that your computer supports 64-bit computing.
The terms 32-bit and 64-bit refer to the way a computer's processor (also called a CPU), handles information. The 64-bit version of Windows handles large amounts of random access memory (RAM) more effectively than the 32-bit version.
Follow the steps mentioned below to find out if your PC is running the 32-bit or 64-bit version of Windows and what edition of Windows is on your PC:
Click Start, right-click My Computer, and then click Properties.
• If "x64 Edition" is listed under System, you’re running the 64-bit version of Windows XP.
• If you don’t see "x64 Edition" listed under System, you’re running the 32-bit version of Windows XP.
The edition of Windows XP you're running is displayed under System near the top of the window.
Refer the link below for more information on frequently asked questions about 32-bit and 64-bit Windows:
32-bit and 64-bit Windows: frequently asked questions
I’d suggest you to access the Microsoft link given below for detailed info about the Windows 7 USB/DVD Download Tool, frequently asked questions, and troubleshooting steps to be carried out:
Windows 7 USB/DVD Download Tool
Hope this helps!
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