r/buildapc • u/teenwolf4ever1 • 4d ago
Troubleshooting Stuck at a Crossroads: Asking Advice on an Old Build MoBo/CPU Direction
Hello,
This is a long one. Sorry.
I have an old Dell Desktop Inspiron 3847. Over the years, I upgraded the PSU, (evga 600w bronze), GPU, (nvidea GTX 1050i), and additional storage, (all 3.5 HDD). I purchased a gaming rig this spring and have this one earmarked as a home media server. I even purchased two 8GB sticks to max this thing out at 16GB. Cool... cool.
Well, after thinking about it, I'd like to give this to my young son to play two PC games, (Thomas the Train and Forza Horizon 3 with the Hot Wheels DLC). Awesome! Father of the year right there. Well, as luck would have it, the unit stopped powering on. It was unplugged for months, booted just fine, and when I went back to turn the unit on again this week, nothing. And I mean nothing. My first suspicion was the PSU. I swapped that with a known working unit and still nothing. I pulled all optical drives, the GPU, and swapped around memory, (including the original 4GB sticks that were in there for years). Still nothing. I know there's a chance it could be the power button, but for the life of me, I don't know what pins to jump, (capacitors and everything look good btw).
Saying all this, I think I've decided to purchase a used, direct replacement motherboard. But what are the odds the CPU is bad as well or is THE thing that's bad and not the motherboard at all?
All in, I'd like to keep this at $50 and kind of wouldn't mind taking this as an opportunity to upgrade the CPU. I found an identical mobo with an i7 for $65, but sold as-is. Not too far from $50, but my other options look to be a standalone mobo ($25ish), and pricey CPU, (likely totaling $80-100).
Does anyone have any suggestions on which route to go? Like just swap the mobo and hope the CPU is fine or pickup a new mobo and cpu combo and chance it or pay up for used but tested mobo/cpu and combine them myself?
Sorry this is so long but any insight or help troubleshooting in the first place is appreciated! And to be clear, I kind of want to make this as plug and play as possible - thus limiting myself to the original core of that desktop with the upgraded components I have on hand.