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Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

by christian_39

Original Post

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

[ Edited ]
★★★★★ Novice

Hey, OP here.


Issue is currently resolved for me.


To be clear, I didn't alter any files or touch anything. I'm still connected to my router via ethernet cable, Origin is running online and TS4 is online enabled with gallery working fine.

Currently getting minimum of 150 fps in main menu and game play.


The latest Windows Update and/or Sims 4 Update seems to have fixed the fps issue.


Windows 10: 10.0.18363 Build 18363

Sims 4:


I'd suggest everyone make sure it's all updated and try it out again on the chance that it's been resolved.


DxDiag attached for any tech peeps.

Message 141 of 195 (1,068 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

★★ Novice
I'm sorry, but that's just hard to believe. Saying you modified system32 .dll file. I mean, you already said what you have done, care to explain on what you modified on... system32... because, your Sims 4 came into a problem...
But I can believe you saying you reinstalled windows.

Message 142 of 195 (1,045 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

★★ Novice
@AlfieSkytower +1, It might be fixed. I'll update as soon as possible when I encounter it again.
Message 143 of 195 (1,045 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

★ Guide

Not fixed for me.... still getting frame drops from 60fps to 10-14fps. unheard of. 

I can't believe this is still not fixed. I've had this for a while with this game now, makes the game unplayable imo.

Message 144 of 195 (1,972 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

★★★★★ Apprentice

I started having the same issue much more frequently with update 1.63.134. It tends to trigger when I enter build mode but also triggers trying to open the game menu. I used to have this issue with the previous patches but quickly opening and closing the game menu was enough to get rid of the "cause" now I can't stop it and the game becomes un playable. I had to restart the game several times today due to this. CPU usage on my PC does not go higher than 35% and the GPU is more than enough to run the game on ultra (GTX1080) on a 2k monitor

Message 145 of 195 (1,944 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

[ Edited ]
★★★★★ Apprentice

@AlfieSkytower lol we have a pretty similar build (8700 no-k, gtx 1080) here and I can't manage to run on more than 65-80fps on live mode (144, my monitor refresh rate, on main menu) and with the patch it got much worse going as low as 12-17fps both in live mode and build mode (and happens at random)

Message 146 of 195 (1,942 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

★★★★★ Novice
@AlfieSkytower I am currently on Windows 10 build: 10.0.18363.900 and my Sims 4 version is

Unfortunately, the problem still persists for me. I already posted my information back on page 13 of this thread. Pretty sad that this doesn't work and I'm not really in the mode to reinstall my entire OS once again just to test it out.

Thank you for updating though. So odd that it works for you now.
Message 147 of 195 (1,855 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

★ Guide

@DD2146 Reinstalling windows won't help. I tried that.

Message 148 of 195 (1,841 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

★★ Apprentice

Many frustrating hours later, I still found no solution, between considering giving up and uninstalling, and being too stubborn to actually uninstall. It comes to wonder in my mind, if it might be something to do between Sims4 connecting to Origin to connect to the internet. I wonder if there is any way to run sims 4 without origin to be activated, if maybe that's what fixes the issue.

Message 149 of 195 (1,798 Views)

Re: [CURRENT ISSUE] Incredibly Low FPS when connected to Internet

[ Edited ]
★★★★★ Apprentice

@Half-rose The only way I can think off is cracking it :S

@JeanVW Can confirm that. I just switched to a WD SN750 (black) m.2. (not because of the game but helped to test this out), reinstalled windows (may 2020 build) and the game.

Even on vainilla games I have this issue EVERY SINGLE time I get into build mode + many times hitting the Esc key to show the menu does not solve it. Some times is even 15-20ish fps on live mode upon loading the lot.


  • i7 8770 
  • 16GB RAM DDR4 3000Mhz
  • GTX 1080
  • M.2 SSD WD SN750 Black
  • ASUS PRIME Z370-P motherboard
  • Windows 10 Pro May 2020 update (freshly installed 1 day ago)

The game is not causing high load on any of the resources.


I initially though this was caused by mods so renamed my "The Sims 4" folder, created a brand new save and headed to one of the households created by EA. With no mods I had the same issue so it is something in the gaame and/or origin. 

Honestly, I'm starting to get tired of this things. The game is in a un-usable state for most of the times and could barely play the EP I payed full price for.


  • What did I try: Disconnect Origin from internet (just by using the Disconnect option in Origin menu)
  • Result: no changes. game getting stuck at 20ish fps even opening the menu. Unplayable.


  • What did I try: Disconnect the pc from internet (I use an ethernet connection, i.e. cabled)
  • Result: the game still started going at low fps but opening the in-game menu (with Esc key) seemed to solve the issue. The extreme fps drop was still triggered EVERY SINGLE time I switched between Live and BB modes but the "open in-game menu" trick seemed to "solve" the issue. Game is playable but gallery is gone (since there is no internet connection).


  • What did I try: Disable the ethernet adapter and connect to interenet using a WiFi USB stick (TP-LINK TL-WN821N) I had at home.
  • Result:
    • Similar result than obtained when using FIX ATTEMPT 2, but some times the game still got stuck at 20-25fps and required a combination of waiting, using the "open in-game menu trick" (several times) and switching between modes (live -> bb and vice versa) to go back to full speed
  • This confirmed the previous observations made in the thread partially. The issue is related to internet connection and the game attempting to do something (internet related apparently) when switching between modes. But, using a wireless connection did not solve it completely either


  • What did I try: update Realtek PCIe drivers (ethernet drivers). I checked and saw that Windows was using a really old ethernet driver (one from 2015). For this I searched, on the official of my motherboard manofacturer, the LAN drivers and found a 2019 installer. I installed those drivers and noticed that now I was using 2018 drivers (as opposed to the 2015 ones Windows installed automatically).


  • Result: similar results to FIX ATTEMPT 2. I'm able to get rid of the low FPS issue by using the "open in-game menu" trick (at least most times, sometimes I need to switch between Live mode and BB and viceversa for the issue to vanish). It is not perfect but at least the game is playable and I can stay online.


  • Following the idea of FIX ATTEMPT 4 I started to search even newer drivers (provided by the manofacturer of the LAN chip instead of those provided by the motherboard manofacturer). I found that Realtek had 2020 drivers so I used their installer to uninstall the old ones and then installed the newest drivers.
  • What did I try: updating the LAN drivers but using the ones provided by Realtek instead of the ones provided by the motherboard manofacturer (in my case, ASUS). Why? because the drivers provided by realtek on their official website are way newer (2020 drivers vs 2018 drivers) => the likelyhood of the drivers being compatible with the latest Windows updates is much higher
  • Result: problem solved. I now get a fps drop to single digits for a second or so when I switch modes, but that is expected since the UI is updating and loading tons of content (specially due to the amount of CC I have :P, lots of thumbnails to load). After a second or so the fps go up again, without need ot using the "open in-game" menu trick. I tried switching modes and loading different households with and without CC, same result everytime.

Conclusions so far:

  • The issue seems to be caused by a combination of: an outdated ethernet driver downloaded by Windows itself + the game (or origin) attempting to do something internet-related EACH time we go into either Live mode or BB mode.
  • The issue seems more likely to happen when going into BB mode for some reason.
  • Updating your LAN/ethernet drivers will make a day/night difference => try that if you are being affected by this issue (for more info see FIX ATTEMPT 5)


  • For those affected by the issue try what I did on FIX ATTEMPT 5.
  • Do not use Realtek drivers if you don't have a realtek LAN/ethernet chip in your motherboard. That won't work, you will possibly end up with no network connection and you will need to revert that driver installation manually using the Devices Administrator -> network adapters -> uninstall controller and then let windows install the "default" driver again.
  • You can use Windows Devices Administrator (right click on windows button -> Devices Administrator -> Network adapters) to know which is the manofacturer of your LAN adapter. You can also search the specs of your motherboard model (and/or search for the latest drivers provided by your motherboard manofacturer, check which LAN drivers they provide and then search for more updated versions of those drivers).

Sorry for the long post, hope this helps someone! @crinrict maybe this is helpful for the QA guys. @SimQARobo 



I started having the problem again randomly but with low frequency (so far). The "open in-menu" trick is still effective to solve it so it is not as bad as before but it is not as perfect as it should be.

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