Factory Reset and/or Windows Recovery Environment

Hi Kelvin Calloway,

Thank you for reaching out to Microsoft Q&A forum and I truly appreciate your patience and persistence in trying to resolve the issues with your Dell Latitude 7490. I understand how frustrating it must be to face repeated update failures and roadblocks when attempting a factory reset or enabling the Windows Recovery Environment. You've clearly put in a lot of effort over the past two years, and it's completely understandable to feel overwhelmed.

You're not alone in this, and I’m here to help you move forward.

Below are several detailed options to help you reset your laptop or enable recovery, depending on what’s currently accessible on your system:

Option 1: Dell SupportAssist OS Recovery (Recommended if available)

This is Dell’s built-in recovery tool that can restore your system to its original factory state.

1. Restart your laptop.
2. As soon as the Dell logo appears, press F12 repeatedly to enter the boot menu.
3. Select SupportAssist OS Recovery.
4. Choose Reset to Factory Settings or Restore System.
5. Follow the on-screen instructions to complete the reset.

You can follow official Dell guide here at: Factory Reset, Restore, or Reinstall Microsoft Windows on a Dell Computer

*Disclaimer: Microsoft provides no assurances and/or warranties, implied or otherwise, and is not responsible for the information you receive from the third-party linked sites or any support related to technology. 

If this option doesn’t appear, your system may not have SupportAssist installed or enabled.

Option 2: Reset via Windows Settings (if Windows boots normally)

This method uses Windows’ built-in reset feature.

1. Go to Start > Settings > Update & Security > Recovery.
2. Under Reset this PC, click Get started.
3. Choose Remove everything to wipe all personal files and apps.
4. Select either:
   • Cloud download (downloads a fresh copy of Windows)
     • Local reinstall (uses existing system files)
     1. Follow the prompts to complete the reset.

This method is ideal if your system is still bootable and you want a clean slate.

Option 3: Use USB Installation Media (Clean Install)

Just a quick question to help me assist you better: Could you please confirm how you created the bootable USB? Did you use Microsoft’s Media Creation Tool or another method? Also, did you encounter any specific error messages when trying to boot from it?

Since you’ve already created a bootable USB, this method allows you to reinstall Windows from scratch.

1. Insert the USB drive into your laptop.
2. Restart and press F12 repeatedly to open the boot menu.
3. Select the USB drive under UEFI Boot Options.
4. When the Windows Setup screen appears, click Next, then Repair your computer.
5. Choose Troubleshoot > Reset this PC > Remove everything.

*Disclaimer: At this point, we have exhausted all troubleshooting and I recommend that we try to perform a clean install to get your computer back into a working condition. Please ensure that you backup any important data, including Documents, Pictures, Videos, and more. 

If you prefer, you can skip the repair and go straight to a clean install by clicking Install Now and deleting all partitions during setup.

If you’ve tried these steps and the issue persists, please let me know. I’m here to support you.

If the answer helps, click "Accept answer" and vote "upvote". If you have additional questions about this answer, please click "Comment".

Note: If you want to receive email notifications about this thread, follow the steps in our documentation to enable email notifications.