Windows 10: Installing windows 10 iso to external drive

I’m trying to install windows 10 from iso image to a blank new 230 sdd external drive. This is to go into my other laptop and cannot do that directly as won’t boot.. So far it now says choose what to keep but this is a new drive. My main worry is will doing this will it possibly wipe out all data on my c drive as iI need everything in tact. The new external drive is blank how can it keep any files apps? Does this mean that windows is somehow automatically looking to reinstall windows iso to my existing c drive which is not what I need. It’s driving me mad and why is it so difficult to be spe

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Can't install update on external hard drive?

Thank you for that information Laura.

Since the Update Assistant is still not offering the option to install updates in external drive, I suggest that you create a bootable media using a USB flash drive and another one where we will install the updates. See

Create Windows 10 installation media and follow the steps under "Using the tool to create installation media (USB flash drive, DVD, or ISO file)" to learn how.

Afterwards, follow the steps below on how to install updates :

• Connect both the USB flash drive with Windows 10 installation files
  and the other empty USB flash drive.
• Double-click the Setup.exe file to launch the Windows 10 installation from the USB flash drive.
• Select the Keep personal files and apps option to update your computer.
  
• If you get the "Windows needs more space" option, click the
  Choose another drive or attach an external drive with 10GB available link.
• Click Install
• Follow the on-screen instructions to complete the installation process as necessary.

We appreciate your patience Laura. Don't hesitate to post back if you need more help.

 

Is it time for Windows 10 already?

Here's a good step by step guide on doing a fresh install.

How to clean install Windows 10 from a USB drive - Software - Feature - HEXUS.net

 

External drive

Hi Richard,

There are several factors that can cause your external drive to not read DVDs even though the system is recognizing the device. This could be caused by a driver that needs to updated or corrupted files. For us to resolve your concern, kindly answer the questions
below:

• Just to confirm, the device that is not working properly is a external DVD optical drive?
• Were there any recent changes or updates installed on your computer?
• Have you tried to plug the external drive to a different port on your computer?

As a initial recommendation, we suggest that your run the built in troubleshooter in Windows 10. Kindly refer to the steps below:

• Type “Troubleshooting” in the Search bar and press Enter.
• Click on “View All” in the top left corner.
• This will display the list of troubleshooters which are built-in in the computer. You can click on
  Hardware and Devices from the list and you can run the troubleshooter.

This will check for common errors that affect hardware on your computer and attempts to correct them.

We look forward to your response after completing the steps.