While at university, late night coding an assembler assignment, I had a bug in my code, and the compiled code would lead to some CPU violation. After running t

While at university, late night coding an assembler assignment, I had a bug in my code, and the compiled code would lead to some CPU violation. After running the code, the CPU started making a super loud high frequency noise. The code was a super tight infinite loop, co CTRL-C did not work to make it stop. Hell, even power button of the laptop didn't react! Everything was completely unresponsive. It was middle of night and my laptop was about to wake the whole neighborhood, and the only solution I found quickly was to remove the laptop battery. Luckily I had a removable battery in my laptop back then!