Okay, first, the answer:
Q: How do I open HQX files in Tiger, since they’ve dropped native support?
A: Open it in Safari. Not even kidding.
And the question.
Internet! Answer me!
What does it mean when, on a G4 powerbook, the green light around the power adapter is pulsing on and off?
Note: I do not remotely expect this to be a good thing.