Sudden Lag and Frame delay issues

@janecasey1  Thanks for providing the dxdiag, which shows that your laptop's Nvidia graphics driver is three years old.  The dxdiag also lists a number of failed Windows updates, so let's start there.  Please run a couple of basic checks of your Windows system files:

• Hit Windows key-X
• Choose either “PowerShell (Administrator)” or “Windows Terminal (Administrator),” whichever option is offered
• Inside the window that appears, copy and paste “DISM.exe /Online /Cleanup-image /Restorehealth” without quotes, and enter
• The system will start validating soon. If it throws an error, please list it here
• After it reaches 100%, hit Windows key-X again
• Again, choose “PowerShell (Administrator)” or “Windows Terminal (Administrator)”
• Inside the window, copy and paste “sfc /scannow” without quotes, and enter
• Post the message you receive here

Restart your computer, hit Windows key-i, select Update & Security, and click the box to check for updates.  If any install, restart again afterwards.

For the graphics driver, Acer doesn't offer a newer one for your laptop, which is probably why you haven't received an update.  But Nvidia has a new driver you can use instead:

https://www.nvidia.com/Download/driverResults.aspx/221746/en-us/

Run the installer as an admin: right-click the download and select "Run as administrator."  Choose the Custom, not Express, install method, and check the box to perform a clean install.  Restart your computer when you're done.

The Intel graphics driver is similarly old but is probably fine, so there's no reason to try updating it at this point.

Before you open Sims 4 again, please also disable Game Mode and Game Bar, both under Windows Settings > Gaming.

Please test with no mods or custom content at all, at least at first.  You can add the content back once Sims 4 is running as it should.