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1. Macintosh Troubleshooting Pocket Guide > 1.13. Monitors/Displays

Monitors/Displays

Every once in a while, the image on my monitor begins to vibrate or shake. After a few minutes it stops. Any idea what could be going on?

Check the position of your monitor—especially if it is near the wall of your kitchen. Author Sandee Cohen tells us that one of her staff had a monitor that would begin to vibrate every time she heated up her dinner in the microwave oven, which was on the other side of a very thick wall. Microwave ovens can generate electromagnetic disturbances that can cause your monitor screen to vibrate or shake. Similar disturbances can happen near large power transformers, and in basements that are over subway lines. In challenged locations, a flat-panel LCD display (which is much less susceptible to electromagnetic interference) might be the best choice.


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