It serves as my floppy and CD authoring machine in support of older hardware. The 780 is set up with an overclocked Xeon X3220, R7-250 6GB RAM and solid state storage and runs most of my later XP games under Windows 7, as well as some later games (up to and including GTAV). I have 3 of the somewhat later Optiplex models with Core 2 and P4HT CPUs, a 745, 780 and 380. I recently got a Pentium D and was thinking about building myself a dual core netBurst machine. It went to full fan and there was no sign any power was coming out of it. I tried an old PSU from the early '00s recently in a LGA 775 build and, while it looked good internally, it had failed. If a PSU goes straight to full fan and is super noisy, it is likely it has failed electrically. If the caps look good, they probably are good and you are safe to try it. I always open up an old PSU and visually inspect everything. I bought a couple EVGA 500w White on Amazon recently for $25, which would be great if uses a standard size. Still, you might find a low mileage one on eBay for less than a fortune. I would just get a new PSU, though that could be tricky as Dell likes to frequently use nonstandard PSUs. Maybe something to do with all the bearing lube settling, idk. It made some light grinding noises for a few minutes and then eventually regained full function. I had it happen recently with an inexpensive big CPU cooler on a Ryzen that had not run in 4 months. Fans can spin sluggishly or not at all at first and then recover if they have been sitting. Pretty sure you have a failing PSU and maybe some bad fans. I haven't checked out the insides yet, but I noticed it was pretty dirty, possibly never been cleaned. Is it safe to let this thing run and see what it does? Considering all these warnings it feels like there's some broken hardware in there, and I don't wanna have a PSU blow up next to my face or start a fire. It's also loud as all hell, so loud I powered it down out of caution. It's really loud, and during the startup sequence I get all kinds of warnings. Mainly got it because I think the case looks cool and wanna use it for something, but since it still has all components (I think) I thought I'd try to see if it works as is.
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January 2023
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