Endless sign-in loop on MICROSOFT Device

Nathan Denby 0 Reputation points
2026-09-14T10:04:07.0466667+00:00

We are stuck in an endless sign-in loop on a microsoft device. Also did the repair (troubleshoot), seemed to have done the process but still unable to log in - comes back to the sign in page.

Microsoft account log-in successfully on another device, but we need to log in to Devise Microsoft Surface.

Surface | Surface Pro | Safety and security
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  1. S.Sengupta 32,361 Reputation points MVP Volunteer Moderator
    2026-09-15T00:37:54.5+00:00

    A sign-in loop that survives the built-in troubleshooter usually points to a corrupted user profile or a stuck credential/Hello cache rather than a network or account problem — especially since the same Microsoft account works fine elsewhere.

    Boot into Safe Mode (hold Shift and click Restart from the sign-in screen's power button, then Troubleshoot > Advanced options > Startup Settings > Restart > press 4). If you can sign in fine in Safe Mode, the loop is caused by a startup app or driver, not the profile itself — skip to the SFC/DISM step.

    Force two failed boots in a row (hold power button to cut power during startup) to trigger Automatic Repair, then choose Troubleshoot > Advanced options > Command Prompt. Run: DISM /Online /Cleanup-Image /RestoreHealth, then sfc /scannow.

    If the loop happens right after PIN entry, the Windows Hello credential cache may be corrupt. On the sign-in screen, click 'Sign-in options' and choose the password icon instead of PIN. If password gets you in, delete and recreate the PIN afterward in Settings > Accounts > Sign-in options.

    From that same WinRE Command Prompt, run 'dir C:\Users' to find your profile folder, then rename it (e.g., ren C:\Users\YourName YourName.old). Windows will build a fresh profile on next sign-in and pull your account settings from the cloud again, leaving old files recoverable in the renamed folder.

    In the WinRE Command Prompt, run 'net user tempadmin /add' then 'net localgroup administrators tempadmin /add'. Reboot and sign in locally to confirm whether you can at least get a working desktop, which tells you the problem is with your Microsoft account profile specifically, not the OS install.

    Fix a corrupted user profile

    "We can't sign in to your account" error message

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  2. AI answer

    2026-09-14T10:04:26.0633333+00:00

    Since the Microsoft account works on another device, the account itself is likely not the blocker. For the Surface sign-in loop, use this order:

    1. Restart the Surface
      • On the sign-in screen, select Power > Restart.
      • If updates are offered, use Update and restart.
      • This can clear temporary sign-in errors.
    2. Check network access from the lock screen
      • On the lock screen, select Network and confirm the Surface is connected to the internet.
      • If Wi-Fi is weak or unstable, connect directly with Ethernet if available.
      • Some sign-in scenarios require an internet connection.
    3. Try Safe Mode with Networking
      • On the sign-in screen, hold Shift and select Power > Restart.
      • Go to Troubleshoot > Advanced options > Startup Settings > Restart.
      • After restart, select 5 or press F5 for Safe Mode with Networking.
      • Important: Safe Mode sign-in works only with a password. PIN and biometric sign-in are unavailable there.
      • If sign-in works in Safe Mode, that indicates the basic drivers and default settings were not causing the problem.
    4. Try another account on the Surface if one exists
      • On the sign-in screen, select another account from the lower-left list.
      • If needed, select Other user and enter that account’s credentials.
      • If sign-in succeeds with another account, check for Windows updates and review the existing accounts. Admin rights are needed for account review.
    5. If the issue is specific to Microsoft account sign-in flows, use the Microsoft sign-in helper
      • The official sign-in helper is recommended for Microsoft account sign-in problems: Sign-in helper
    6. If the Surface still cannot be used, use Surface support options
      • Open the Surface app, describe the problem, and select Get Help.
      • If the device cannot be used normally, open Get Help for other support online.
      • For a work or school-managed Surface, contact the organization’s IT helpdesk or admin.

    References:

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