Trouble logging in

ojo 0 Reputation points
2026-10-21T13:17:40.82+00:00

I couldn't log into my laptop using my PIN after an update from the hardware company. I asked for a one time pass code to be texted to my mobile, which arrived. However, when I entered the pass code, the Microsoft login system told me it was wrong, several times. Why is this, and how can I address this the next time my laptop goes through an update?

Windows for home | Windows 10 | Windows Hello, lock screen and sign-in
0 comments

2 answers

Sort by: Oldest
Most helpful Newest Oldest

  1. AI answer

    2026-10-21T13:17:59.4666667+00:00

    A one-time code can be rejected even when it arrives because the sign-in system may temporarily block or distrust the verification attempt. The documented causes include:

    1. Unusual activity detection after repeated sign-in or verification attempts.
    2. Too many code requests to the same phone or alternate method.
    3. Temporary protection blocks caused by compromised traffic from a geographic region.
    4. For Windows sign-in issues after updates, the update can also leave the PIN unavailable, which forces a new verification flow.

    What to do when this happens:

    1. Stop repeated attempts. Repeated retries can extend the block.
    2. Try another verification method if one is available, such as another security method already on the account.
    3. Try another network by switching between Wi‑Fi and mobile data, or using a different Wi‑Fi network.
    4. Wait before retrying. A day may be enough; if not, wait longer, up to a week.
    5. If the PIN is unavailable after an update, on the sign-in screen select Sign-in options and use the password option if it appears. After signing in, go to Settings > Accounts > Sign-in options and reset the PIN.
    6. If already signed in later and the PIN needs to be changed or recreated, go to Settings > Accounts > Sign-in options > PIN (Windows Hello). Use Change PIN if the old PIN works, or I forgot my PIN if it does not.

    To reduce the chance of this happening after a future update:

    • Keep more than one verification method on the account so there is a fallback.
    • Avoid requesting multiple codes in a short period.
    • If unrequested codes are ever received, do not respond to them.
    • Consider using passwordless options such as Windows Hello, Microsoft Authenticator, SMS/email codes, or a security key.

    Important: changing all security info at the same time can restrict the account for 30 days.

    AI-generated content may be incorrect. Read our transparency notes for more information.

    Was this answer helpful?

  2. Manoel Barros 23,275 Reputation points Independent Advisor
    2026-10-21T16:07:04.02+00:00

    Hi!

    What exactly did you mean by "update from the hardware company"? Was a BIOS update performed, or was a component replaced? Who carried this out—the company you work for, a service center, or the store where you purchased the computer?

    It is important to know exactly what was done so that I can provide the best possible assistance.

    Was this answer helpful?

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.