@ARE_you_kidding_me We think we figured it out! We were trying to test everything before we had it all assembled in the tower (to make sure nothing was faulty… lol!), but absolutely nothing was happening when we turned the power supply on. We started thinking something might be wrong with the power supply itself, so we did the paperclip test, and it was working just fine. Then we started thinking it was something else that was faulty.
Thankfully my sister started trying to look it up, and she found forums where people were freaking out for the same reason. Then experienced builders got on and said that a button on the motherboard needs to be engaged before accepting any power from the power supply. Which is funny, because she even said “Where’s the button?” when we were trying to test it earlier. We looked and looked and couldn’t find it, but apparently this one is really small and it didn’t come with anything to attach to the motherboard in order to engage the button so it could be tested. Haaa! Ugh, I’m so relieved.
Sorry if that’s kind of all over the place – I’m sleepy. Because of that one little thing (hopefully, anyway), we were at it all day.