In my previous post, I mentioned that enabling power saving mode twice would result in a reboot. [https://damoang.net/linux/1556#c_1559](https://damoang.net/linux/1556#c_1559)
Recently, I've also experienced chromium-based browsers unexpectedly crashing or elements displaying incorrectly.

After explaining the current situation to Gemini and asking for analysis, they said that a hardware issue is highly probable.

I also attached the image above, but it appeared as ^vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv, almost causing me to lose my entire post.
It seems like I should run Memtest86.