I rebuilt my PC about a year ago with a new ROG Strix 390E and i9-9900k processor. Since then I haven't been able to download anything at all without errors and my dvd drive and HDDs won't show up at all on my system. I have 3 Samsung 860 Evo SSDs installed and they show up just fine and operate but like I said they get endless errors. The only workaround I've got right now is an onboard NAND drive running my OS and my main programs because it doesn't get any errors at all. I also discovered that downloading directly to a portable SSD and running steam games from it works well. However this is a temporary workaround because I really want my SSDs working properly. I've run multiple memory tests and my memory is perfectly fine. The only thing I can think is that it's a faulty motherboard? Any suggestions?
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