Lenovo P1 Gen 4 Bios !link! Jun 2026

Frustrated, she searched forums. One buried Lenovo support thread mentioned the on P1 Gen 4 units with v1.09–v1.12 firmware. The bug: the Embedded Controller (EC) would sometimes misread a non-existent thermal sensor, triggering a catastrophic BD PROCHOT (processor hot) signal. The CPU would downclock to near-zero, even though temperatures were normal (45°C).

Have a specific BIOS issue with your P1 Gen 4 not covered here? Check Lenovo’s official ThinkPad forums or the P1 Gen 4 BIOS changelog on the support site for version-specific notes. lenovo p1 gen 4 bios

Born of Aurélie and Laurent's passion for aviation, OpsForm is a training organization based in the Bordeaux region, covering all aeronautical professions linked to airport operations and flight operations.

Our training solutions are adaptable and can be classroom-based in our training center (on the Aérocampus Aquitaine site), distance learning so that you can develop at your own pace*, or in-house so that you can always benefit from the training conditions best suited to your needs and desires.
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