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TallSilhouette said:

That fixed my black screen issue but introduced even more fan problems. They were pretty loud out of the box but setting some custom curves in the BIOS and software got them manageable - except for one. Now my GPU was freaking out and running full blast at the slightest provocation and wouldn't come down until I completely shut the computer down. Troubleshooting this was a nightmare and nothing I tried worked for long - not even taking my machine to a professional. To add insult to injury the freakouts were wearing out the bearings on my GPU fans all over again and now two of them were making insufferable noise! Shuddering at the thought of a 2070 going to waste in today's market and having to grossly overpay for a replacement when the next gen is just around the corner I decided pop the hood on it and take a closer look. Fortunately I held on to the two good fans of the trio that originally came with the card and used those to replace the two making noise now. This is also when I found my culprit. Apparently last time I replaced the fans I plugged the cables in backwards so that a 3 pin cable was plugged into the GPU's 4 pin port and it couldn't properly regulate itself!

Powering on my PC and hearing a calm, stable boot up after months of awful noises was a moment of serenity like I haven't felt in ages. Now hopefully my 2070 will last a good while longer and my rig is already set up for a 4080 or 90 (apart from the power supply). Let's hope it all stays fixed this time, lol.

@Bolded: that's the exact same problem I'm having with my GPU atm, in that if I so much as play any modern 3D game, the fans ramp up at around 45c and sta full blast until I shut the PC down. I tried uninstalling MSI AB, deleting it's settings, GPU still goes to full whack when gaming, tried reinstalling AB again and the same shit happened.

This happens with or without a custom van curve or the GPU fans set to auto, and MSI AB and Nvidia GFE cannot pick up the GPu fan speeds, not GPU-Z either and I'm lost as to how to solve the issue. Been scouring forums for months and the only answers I find are "flash your GPU BIOS" (something you super rarely have to do and really shouldn't be doing), "update your drivers", "set MSI AB custom fan curve to firmware mode!" etc, and it's mostly just fodder type answers from armchair gamers. 

The middle of the 3 fans on my 1080ti ended up wearing down to the point where it cluttered and sputtered so much, stopping one of the larger fans in the process. Had to take it to a PC repair store to have the fan removed and while I was there I had some new paste put in and a total clean-up. While I'm down one fan, temps are fine (max is around 65-70c, but that's with Cyberpunk and HZD so far), but I'm still down one fan and the issue with it ramping up isn't resolved, so I'm at a loss for what to do myself. 

Maybe I should pop my hood and check the pins to see if the connections are proper. 



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