1. Take the zipped file from
this post and copy to: C:\Program Files (x86)\Origin Games\The Sims 3\Base Game\Game\Bin
-- Or look in the Base Game\Game\Bin of where you installed the game.
2. Unzip it and overwrite what's there, it's fine this is to help get the game to recognize the graphics card.
3. You may need to load the game to main menu and exit to make the Config.log file be aware of the change.
4. The Config.log file should be able to say "Found: 1, Matched: 1" After this, the game should recognize the game.
As far as cooling mats/pads it's more of a personal choice, but here's one for example:
Laptop Cooling Pad
https://www.amazon.com/Laptop-Cooling-Pad-Suncer-Adjustable/dp/B074LW5LPMPrice: $17.99
You can find some locally at Bestbuy for around the same price or more.
-- To unzip (extract) files or folders from a zipped folder, locate the zipped folder that you want to unzip (extract) files or folders from. To unzip all the contents of the zipped folder, right-click the folder, select Extract All.
Cooling mats won't improve game performance, they'll only keep the laptop a little bit cooler.
I'd recommend not having all the packs installed, and don't play much more than an hour or two at most and then restart the computer to help it from getting too hot. As playing games will make the laptop really hot.
Here in the post linked below are more tips to relieve freezing and lag.
http://www.carls-sims-4-guide.com/forum/index.php?topic=20732.msg422978#msg422978