[TROUBLESHOOT] Lighting not working properly

@Ninnifer18 if you haven't already, please try the following: 1) remove all mods/CC, 2) clear your cache, 3) repair the game via Origin, 4) start a new save, and 5) test the lighting in the new save.  If you see that it still is not working properly, please post 1) your in game graphics settings, 2) which graphics card you are using (make sure you have updated the drivers for it too), which world you are playing in (do you have the problem in all worlds) and which lot (if all of them, then never mind this information).  Please tag me with @BryonyRae after you've tried this.

@BryonyRae  I've removed my mods, cleared my cache, repaired my game, started saves many many times since I started to experience the bug. I went and set my lighting to the highest setting and it didn't change anything... except make the load times laggier. I have my sims and view distance to high, and all my other settings at medium. Lighting was temporarily set to very high to see if it would change anything and it didn't. I also have uncompressed sim textures and post processing effects checked.. This is what you meant by posting my in game graphic settings right?? I'm the worst at these bug reports so I apologize for anything I am doing wrong. I can say for sure that my graphics card is not currently updated but back when my world lighting was working properly, my graphics card was often out of date and the lighting worked fine. I know I should update it for the sake of this but... I don't know how to. I use a NVIDIA graphics card.. that's all I know about it. I usually play/build in all worlds and the lighting doesn't work properly in any of them. I feel I should mention that my graphics card was up to date until a few days ago and my lighting was still messed up.

@Ninnifer18 Yes, that covers most of the settings - you don't by any chance have Laptop mode checked, do you?  That will definitely affect how lighting looks in the game.  I changed my settings to mirror yours, and I am still seeing the appropriate lighting in my game.  I too have an Nvidia graphics card, and updating it is pretty easy.  I recommend going to their drivers page and downloading GeForce.  It's an app that can detect your card and automatically select the correct driver updates for it; then you just choose to install them.  I understand what you are saying regarding having this problem before when they were up to date, but it's something we definitely need to do before going further.

I don't have laptop mode on. I've only ever had it on once and it made my game run really wonky, even when I played on a laptop. I updated my graphics card, removed everything from my mods folder, cleared my cache, repaired the game, made a fresh save and the lighting still isn't fixed. I'm at a complete loss as to why I'm the only one that is having this bug. I swear I didn't change anything with my game or my computer that could have caused this, except install Seasons. Like... I was playing the sims4, and then my mother bought Seasons for me, I installed it, and then the lighting was different. Like.. it was literally the same day, I hadn't done anything. It's the most..mind-boggling bug I have ever experienced

@Ninnifer18 I'm fairly stumped on this too.  One thing you might try, since you believe the change happened with Seasons, would be to uninstall the game and then reinstall it only up through the content pre-Seasons and then test to see if the lighting is correct again pre-Seasons.  You will probably need to disable automatic game updates from Origin application settings, so that Origin won't automatically install everything.  I'm going to move this thread to the technical forum, as I think you may be able to get more help there.  I am not really a "techie" when it comes to hardware/application issues and interactions, but there are people there who are.

I was afraid you would suggest this... Honestly.. not only am I terrified of trying this, I also really don't want to deal with Origin's BS.. I don't know how to turn off automatic updates or anything and I don't know how I would even go about installing content individually. I've never uninstalled the sims4, I've only ever done fresh installs on new computers, and it's been awhile since I did that... I'm very concerned about my saves and my files in general. I get told to backup everything all the time but I honestly don't know how to do that either.
As much as it physically pains me to do so, I could try to uninstall the game and reinstall it, but I honestly have no idea how well it would work. In the past, with Sims4 and previous sims games, any time I have ever uninstalled and reinstalled a game, or done a fresh install, my game would always have the exact same bugs.. and a plethora of brand new bugs. I hope I don't sound like I'm just making up excuses to NOT do this, I do want my game to function properly.. but honestly, I have no idea what I'm doing when it comes to these things and I'm scared that if I do go and spend hours doing this, it will all be for nothing. I wish I could just hand this off to someone who is more tech savvy than I am so you (and everyone else) could be working with someone more competent.

@Ninnifer18 

Maybe try a factory reset of your game folder

Step 1. Rename The Sims4 folder to "The Sims4 old"
Step 2. Fix the game in Origin
Origin/Library - right click on TS4 - option "Repair game"
You have to wait until Origin will fix all packs, not only the base game.
Step 3. Turn on the game - a new game folder will be created and you will have two - one old, one new
Step 4. Check if you still have this problem in the newly created game folder
If the problem disappeared
Step 5. Delete in the new game folder following folders:
"saves" and Tray.
Step 6. Go to "The Sims 4 old" folder and copy - your "saves " folder.
Step. 7, Paste this folder in a newly created game folder.
Step 8. Do the same with Tray folder and TrayDeleteItems file
Step 9. Copy and paste your mods and CC from old mods folder to the new one. First copy the scripts mods every time checking if the game is working properly. If you have a lot of CC try 50/50 method
Step. 10. If all is OK - delete The Sims4 old folder. Now you will have only one game folder working properly.

By the way, reinstalling the game will not spoil anything. Just move the desktop game folder first to be on the safe side.
However, repairing the game on Origin is almost as effective as reinstalling but I think that the problem is related to your graphics card and graphics settings in the game. Did you try to set them differently?

Do you use any mods to change the light in the game?

And one more idea - give me a link to some of your house where you used the glass roof already with this error. I will check in my game if it looks the same and has this error.

I don't work for EA

I will have to have someone more competent than I am to do all that.. I know for a fact that I will break my computer beyond all repair if I try to do this myself.

I can tell you that nothing on my computer or game, graphics wise, has changed before or after I started experiencing the bug. I've downloaded other games and programs, but nothing that should affect sims4. I don't use any mods that affect lighting. I did try Reshade and NoBlu at one point when Sims4 was newer, I think when Get Together was the last pack out, and I couldn't get them to work properly. I would love to give you a link to a house I've built that uses glass roofing but none come to mind.. If you search my ID, Forever-Dreaming18, and search Potters Splay or for lots that are that size, you should find a few. Sorry.. I don't name them anything specific, and I've been having issues finding things on the Gallery lately. Sometimes it recognizes ID's..most of the time it doesn't. I think that's an issue everyone is experiencing though, not just me.

Sorry if I am being frustrating to work with and am speaking gibberish at any point. I'm trying my best to not be a complete incompetent fool..

@Ninnifer18

I think I have to explain something to you when it comes to TS4. This is such a strange game that can regenerate itself and fix itself. You just need to help her a little. EVERYTHING that is in the game folder in Documents can be thrown into the trash basket but as soon as the next day you turn on the game there will be a miracle - everything will be shown there again. Of course, all but the contents of the folders that you filled up. So there will be a Tray folder - this is your library but empty. The same applies to the saves folder. So the only two folders that you need to protect are saves and Tray. Why do you need to copy the TrayDeleteItems file? You can skip it but in this file are all the houses that Maxis once placed in your library and you threw them out, of course. If this file is not copied, again these houses will fill your library and if you will like to throw away this "gift", this takes you 15 minutes.
Why do you have problems with entering the Gallery, for example? That's why you've connected with this it hundreds of times since the game was created and let's call it in everyday language - this connection is "dirty". The same applies to all game configurations that are in your game folder. They could have been spoiled 100 times since this folder was made. And instead of receiving fresh delivery, you prefer to keep old ones.
Little knowledge is needed to fix it. Rename folder - right click on the folder - option "rename". To have your saves and Tray folder transferred to a new folder - you need to know options, copy and paste. This is all.
Why does it matter to me that you do it? Well, I know your homes, you probably do not know my homes, but both of us are a builder. It is such professional solidarity. 🙂