kmod's blog


Monitor crashes

I've gotten a new problem in my life: my monitor has started crashing.  To be fair, the steps that cause it are fairly esoteric (using the USB ports, then switch the video input), but the failure mode is pretty remarkable: the monitor becomes completely unresponsive.  As in, I can't switch the video mode again.  And most remarkably, I can't turn the monitor off.  The power button becomes unresponsive, and I have to power cycle the monitor by unplugging it.

And this isn't a cheap monitor either, this is a high-end Dell monitor.  As a software engineer I usually feel pretty confident in our profession, but this was certainly a reminder about how even things taken for granted still have software and can fail!

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