Two weeks later, no response. Tried calling, was kept on hold for literally an hour before they just cut me off. Tried chat, which NEVER advances in the queue. Never. Tried email. Nothing. Tried contacting via company website form. Nada. I have come to believe this is a shell company, and these machines are just shipped from China, and there are NO tech support people on staff at all.Tried to install RAM, since this machine only comes with 8GB, which is poor for any gaming. Seems simple enough, since the motherboard is very accessible, and there are 3 empty slots. Plopped in 2 DIMMs and the machine won't boot up. I'm pretty sure it's compatible RAM, since the company only specifies SDRAM DDR4, which I got. But are there other specifications I need to adhere to? MHz? Which slots the chips get inserted into?The answer is I DON'T KNOW, because CyberPowerPC doesn't offer that information, and they can't be contacted through ANY means.From now on, the Golden Rule is "If before ordering any product, you call their tech support and can't get through, then DON'T BUY THE PRODUCT."