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Trying this again in the dedicated New Vegas technical support forum, since the last thread probably got deleted for not being in the right place(I didn't realize how deep the categories went). I have two systems running New Vegas/TTW on my laptop(Asus Strix w/GTX 1070 and an M.2 card) and my self-built tower(AMD FX-8350; MSI RX560 Aero; 32GB Corsair Vengeance 2400mhz DDR3; Samsung 850EVO 500Gb M.2; ASRock 990FX Killer mobo) with identical mod lists and loadorders(barring maybe standalone equipment mods). I can save/autosave as much as I want on the laptop with zero problems, but my tower only allows me to save once normally before locking up for 2-3 minutes at a time. A quick look at the Performance tab of Task Manager shows that, during any save past that first save, the active time on my C: drive(the 850EVO) jumps to 100% and my read and write speeds drop to 0kb/s for the entire duration of the saving process, after which the game saves normally. This is the first time I have experienced anything like this since New Vegas was released and I am completely and utterly confused as to what would cause this. On both systems, Nexus Mod Manager, Steam, New Vegas, and all of the mods are located on the C: drive/M.2 card.

So block out the voice that says "update". Got it. Now everyone has a place they can go to learn this lesson the easy way.

I returned to Windows 7 after my last MSATA card died and no ENBs just because I could never get the hang of making it remember the reassigned "Open Menu" key. Also, for some reason, none of the three games had a D3D9.dll until I dropped the new one in. Edit: Tried to go back to the 368.81 Nvidia driver and according to the installer, my hardware is incompatible with the driver. Edit2: On a whim, I searched "Nvidia recommended windows 7 driver 940M" and it gave me the 353.30 and fallout 3, new vegas, and skyrim all immediately jumped on Ultra High. Should I just not update drivers anymore since this is the first time they ever jumped that high?

Something I've found out just a few minutes ago is that a D3D9.dll replacement can break FNV4GB. I picked up one of those .dll's as an Intel Graphics bypass because Fallout 3, New Vegas, and Skyrim were all ignoring my Nvidia 940M in favor of using the Intel HD 4600 Graphics. The dll in question tricks the games into thinking I have an Nvidia 7900GS card. Any ideas for alternative fixes for the graphics adapter(tried everything on the first two pages of Google) since the game crashes on the first loadscreen for lack of memory?

Tried every solution I have found for this failure to load content and nothing has worked. My guns still fail to spit lead(bullet physics rework mod), Dogmeat is still organic, and my character still has pink firstperson hands and a missing 3rdperson body/hands with vanilla vault suit. All this is on a brand new character and fresh install of the game.