The Advanced Mode in Dell OS Recovery Tool allows you to create a USB recovery media using an operating system image file (ISO file format). This is useful if you downloaded the operating system recovery image using a Linux, Mac, or Android device and then creating the USB recovery media on a Windows-based computer using the Dell OS Recovery Tool.

How to create a USB recovery media using an ISO image

1. Download and install the Dell OS Recovery Tool on the Windows computer.
2. Click Start, then open the Dell OS Recovery Tool application.
   NOTE: Click Yes in the User Account Control prompt.
3. Click Search (magnifying glass icon).
4. In the pop-up window, browse to the folder location where you have saved the operating system ISO image file.
5. Select the .iso file and click Open.
6. Click Next.
7. Connect a USB flash drive with at least 16 GB of storage space available to the computer. This USB flash drive will be formatted and used to created the USB recovery media.
8. Under USB drive, select the USB flash drive that you would like to utilize to create the USB recovery media and check the button " I understand that the selected drive will be reformatted and existing data will be deleted".
   WARNING: Dell recommends that you back up any important data from the USB flash drive. The Dell OS Recovery Tool formats the USB flash drive and all the data on the USB flash drive will be lost permanently.
9. Select the Partition Style.
   • GPT - Windows 10.
   • MBR - For any other operating system.
10. To begin creating the USB recovery media, click Burn OS.
11. Once the process is complete, you will return to the main Advanced Mode screen.

Windows 10 recovery image enables you to format the hard drive and install a clean copy of Windows 10 on your computer. The file size of this recovery image is considerably higher than the Windows 10 Automated by SupportAssist.

The recovery image that is named Windows 10 Automated by SupportAssist enables you to create a USB recovery media that supports SupportAssist OS Recovery.

Figure 3: Difference between Windows 10 Automated by SupportAssist and Windows 10 images (image in English)

SupportAssist OS Recovery is supported on select Dell computers that run a Dell factory-installed Microsoft Windows 10 operating system.

Key features of SupportAssist OS Recovery:

• Scan Hardware—Run a diagnostic scan on your computer to detect hardware issues.
• Repair System—Troubleshoot common issues that may occur before your computer boots to the operating system. This option enables you to avoid the need to restore your computer to its factory state.
• Back Up Files—Create a copy of your personal files on an external storage device.
• Restore System—Restore the operating system and default applications to the state they were in when your computer was shipped from the Dell factory.
• Cloud Image Restore—Download and install the new operating system on your computer along with the default drivers and applications.

To learn more about SupportAssist OS Recovery, see the Dell knowledge base article How to Use Dell SupportAssist OS Recovery

Dell SupportAssist OS Recovery provides a recovery environment with tools to diagnose and troubleshoot issues that may occur before your computer boots to the operating system. When your computer is unable to boot to the operating system after repeated attempts, it automatically starts SupportAssist OS Recovery. This recovery environment enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state.

SupportAssist OS Recovery is supported on select Dell computers that run a Dell factory-installed Microsoft Windows 10 operating system. For the list of systems where SupportAssist OS Recovery is available, see the Dell SupportAssist OS Recovery Support Matrix at the Dell.com/ServiceabilityTools website.

The Dell operating system recovery image can be downloaded using a non-Dell computer.

• On a Windows-based computer - Dell recommends using the Dell OS Recovery Tool to download the operating system recovery image and create the USB recovery media. See the using the Dell OS Recovery Tool section of this article.
• On an Ubuntu or Linux-based computer - See the Dell knowledge base article How to Download and Use the Dell OS Recovery Image in Ubuntu or Linux.
• On a Mac or Android device
  • Browse to the Dell Recovery Image website.
  • Enter the Service Tag of the Dell computer and the verification code, and click Check Availability.
  • Select the Windows, Ubuntu, or Linux operating system, and click Download Selected Files.
  • Review the Terms and Conditions, and click Continue to download the file.
  • Save the operating system recovery image file (ISO file format).
  • Use a Windows or Linux-based computer to create the USB recovery media.

Dell OS Recovery Tool utility works on Windows-based computers only.

The Dell operating system recovery image can be downloaded using any Windows, Ubuntu, Linux, Mac, or Android device.

• On a Windows-based computer - Dell recommends using the Dell OS Recovery Tool to download the operating system recovery image and create the USB recovery media. See the using the Dell OS Recovery Tool section of this article.
• On an Ubuntu or Linux-based computer - See the Dell knowledge base article How to Download and Use the Dell OS Recovery Image in Ubuntu or Linux.
• On a Mac or Android device
  • Browse to the Dell Recovery Image website.
  • Enter the Service Tag of the Dell computer and the verification code, and click Check Availability.
  • Select the Windows, Ubuntu, or Linux operating system, and click Download Selected Files.
  • Review the Terms and Conditions, and click Continue to download the file.
  • Save the operating system recovery image file (ISO file format).
  • Use a Windows or Linux-based computer to create the USB recovery media.

Dell Windows recovery image is available for 64-bit Microsoft Windows operating systems. The 32-bit version of Windows is not available for download.

Dell OS Recovery Tool can pause and resume the download if there is a network connectivity issue. The download resumes when the network connection is restored.

Typical operating system recovery image files in an ISO file format are between 5-16 GB in size (the file size varies between different operating systems). Once the file is downloaded, the Dell OS Recovery tool verifies the integrity of the file before creating the USB recovery media. The time to download and verify the integrity of the file can vary depending on network speed and file size.

To successfully boot to the USB recovery media to install Microsoft Windows 7 on the Dell computer:

1. Restart the computer.
2. At the Dell logo screen, tap the F12 key until you see the Preparing one time boot menu in the top-right corner of the screen.
3. Use the arrow keys to select BIOS or System Setup and press the Enter key.
4. Disable Secure Boot.
5. Enable Legacy Boot in the BIOS.
6. Save the BIOS settings, and reboot the computer.

If you download a large file through a Dell online application (such as the Dell OS Recovery Tool), you may receive a "Not enough space on drive" error. This is due to a space limitation on the hard drive where the files are being saved to. Some operating system recovery images can be up to 16 GB in file size.

To correct this error, free up additional disk space on the hard drive. For information about freeing up disk space in Microsoft Windows, see the Microsoft knowledge base articles:

• Windows 10
• Windows 8 or Windows 8.1
• Windows 7 or Windows Vista

If you have an external hard drive or secondary hard drive with more disk space, select that drive to save the files to.

You can try to resolve this issue by using a different brand of USB drive. Certain brands of USB drives may cause this issue.

The operating system recovery image may not contain the latest device drivers for your Dell computer. The latest device drivers are available at Dell Drivers & Downloads website. After the operating system is installed, Dell recommends that you download and install the latest device drivers.

To learn more about downloading and installing device drivers, see the Dell knowledge base article Drivers & Downloads - FAQs.

• Windows 10, 8.1, or 8 - Dell computers shipped with Microsoft Windows 10, 8.1, or 8, the product key for Microsoft Windows is embedded on the system board (motherboard) of the computer. The activation process automatically retrieves the product key from the system board. For Dell systems shipped with Windows 10, the activation information will be linked to your Microsoft Account that you used to set up your computer.
• Windows 7 - Dell computers shipped with Microsoft Windows 7, the product key for Microsoft Windows 7 is located on a label on the top of a Dell desktop and the bottom panel of a Dell laptop.

To learn more about Windows activation, see the Dell knowledge base article Windows Product Key Frequently Asked Questions (FAQ)

The operating system recovery image does not include the software that was pre-installed on your Dell computer.

To learn more about downloading and installing Dell installed software, see the Dell knowledge base article Where Can I Download Drivers and Dell-Installed Software for My Dell Computer

If the Dell OS Recovery tool fails to launch after installation or if running the installer does not start the installation process, temporarily disable the anti-virus or anti-malware software that may be installed on the computer and then run the application or the installer again.

If the Dell OS Recovery Tool shows this error or does not recognize the Service Tag of your Dell computer, contact Dell Technical Support for further assistance.