Fri Sep 20 11:37:39 UTC 2024: ## Lenovo ThinkPad P14s Gen 4 User Reports Random Shutdowns and Reboots on Ubuntu 24.04 LTS

**[City, State] -** A user on the Stack Overflow Q&A platform is reporting random shutdowns and reboots on their Lenovo ThinkPad P14s Gen 4 laptop running Ubuntu 24.04 LTS. The issue occurs without warning, even during light usage and is not reproducible on demand.

The user has already conducted thorough troubleshooting, including memory tests, stress testing, and checking for driver and display issues. They’ve also ruled out Microsoft Teams as a culprit, as the reboots happen even when the application is not in use.

The user is seeking assistance in identifying the root cause of these random shutdowns. They are particularly interested in potential causes related to external displays or graphics, as well as recommendations for further diagnostics and configuration changes to stabilize the system.

**Possible Causes:**

According to experts on the platform, random power offs are often a sign of hardware failures, such as overheating or a failing power supply.

**Recommended Actions:**

Users are encouraged to seek further diagnostics and consider the following steps:

* **Monitor system temperatures:** Use tools like `sensors` to check CPU and GPU temperatures during normal operation and under load.
* **Run hardware diagnostics:** Utilize Lenovo’s built-in diagnostic tools or third-party utilities to test the system’s hardware components.
* **Check power supply:** Ensure the laptop’s power adapter is functioning properly and that the battery is in good condition.
* **Review system logs:** Analyze the `/var/log/syslog` and `/var/log/kern.log` files for any error messages or relevant entries.
* **Consult Lenovo support:** Contact Lenovo’s technical support team for assistance with hardware diagnostics and potential replacements.

This is a common issue that can be frustrating for users. By carefully investigating potential causes and following expert advice, users can hopefully identify and resolve the problem.

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