Sounds like a dead stick, but other things could also be the cause. Since the system doesn't boot with just the new memory most of them can be eliminated.
If your bios allows it use both memory modules and lower the memory speed speed from 133 to 100 and see if that fixes the problem. It's a long shot and if
it does work you should probably still return the memory as damaged, even though it isn't dead.
E: "Did they... did they just endorse the combination of the JSDF and US Army by showing them as two lesbian lolicons moving in together and holding hands and talking about how 'intimate' they were?"
B: "Have you forgotten so soon? They're phasing out Don't Ask, Don't Tell."
If your bios allows it use both memory modules and lower the memory speed speed from 133 to 100 and see if that fixes the problem. It's a long shot and if
it does work you should probably still return the memory as damaged, even though it isn't dead.
E: "Did they... did they just endorse the combination of the JSDF and US Army by showing them as two lesbian lolicons moving in together and holding hands and talking about how 'intimate' they were?"
B: "Have you forgotten so soon? They're phasing out Don't Ask, Don't Tell."