Why is this happening - weird work office anomaly

[Dr.Strangelove]

Is it when she moves her chair, or when she gets out of her chair? If it’s when she gets out, it may be the pneumatic cylinder causing an electromagnetic pulse. I had the same problem:

My computer glitches when I get out of my chair

Too odd a thing to not share. But don’t worry, the mystery will be revealed. I recently upgraded my video card and monitor, with the monitor running at a pretty high pixel rate: 3440x1440 @ 165 Hz. It’s been pretty reliable, but noticed that every so often I’d get a black screen, which would come back in a second or so. Audio (which goes through the DisplayPort cable) also cut out. It’s been pretty rare and I didn’t have a clear repro scenario, but it never seemed to happen when I was in th…