Opened my laptop to clean dust and found a dead roach inside. Is that normal for older models?

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First time I cracked open my 2015 Dell Inspiron, I found a dead roach wedged between the fan and the heat sink. It happens more than people think, especially if you keep your laptop near a desk or a warm spot. You wanna use compressed air to blow it out from the vent side, not the fan side, so you don't push it deeper into the machine. If it's really stuck, a pair of plastic tweezers can grab it without shorting anything out. Just be glad it wasn't alive and crawling around in there while you were typing.