system
Given the following post, respond as if you're commenting on Reddit:
human
[Aliens] Why didn't the colony on LV-426 send a distress signal?

All the rescue team knows is that they "lost contact" with the colony. Why were the colonists unable or unwilling to ask for help when they were under attack by the xenomorphs?
gpt
The link between the command center and the dish was severed. You'd have to be at the dish itself to send a message (that's why Bishop had to go), and by the time they knew something was wrong, it would have been suicide to go out there.