Xbox Series X/S Error Code E105: How to Fix It

Medium 30-60 minutes High Severity Verified June 2026
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Error Code
E105
Brand
Xbox Series X/S
Product Type
game_platform
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Error code E105 on your Xbox Series X or S means that the console's system update boot drive has become corrupted, preventing it from starting properly. This usually happens after a failed system update or power outage during an update. Follow the steps below to resolve the issue and get your console back up and running.
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Tools You'll Need

How to Fix Error Code E105

  1. Perform a Full Power Cycle

  2. Boot into Troubleshoot Mode

  3. Run the Reset This Xbox Option (Keep Games & Apps)

    This will not delete your games or apps, but it will reset system settings. You may need to sign in again.

  4. Perform an Offline System Update (OSU) via USB

    Ensure the USB drive is empty of other files and formatted correctly. Do not interrupt the update process.

  5. Factory Reset (Full Reset)

    This will delete all your installed games, apps, and account information. Only use this as a last resort.
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When to Call a Professional

If after performing the offline system update or factory reset the error code still appears, your console may have a hardware failure (like a dead hard drive). Contact Xbox Support or take it to a certified repair center.

Frequently Asked Questions

What does Xbox error code E105 mean?
Error E105 indicates a corrupted system update boot drive. It occurs when the console can't load the operating system due to a failed update or power loss.
Will resetting my Xbox delete my games?
Choosing 'Keep my games & apps' during reset will preserve your installed games and apps. Choosing 'Remove everything' will delete all data.
Can I fix error code E105 without losing data?
Yes, try the 'Keep my games & apps' reset first. If that fails, an offline system update (OSU) can also restore the system without deleting games.
How do I create an offline system update USB?
Download the OSU1 file from Microsoft's website, format a USB drive as NTFS, create a folder named '$SystemUpdate', and extract the OSU1 file into it.
What if the offline update doesn't work?
If both the reset and offline update fail, you likely have a hardware issue. Contact Xbox Support for repair or replacement.

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