Nope.
Only specific gaming laptop models that cost around $1,400+ will have upgradeble graphics. The key word is "specific" since there are $2,500+ laptops that do not allow you to upgrade the GPU.
Your best option is to buy a new laptop if you can afford to do so. You can buy a laptop with the nVidia mx150 GPU for around $600. It is basically the successor to the 940mx. It's performance is between a GTX 950m and GTX 960m. The least powerful GPU that is considered to be a gaming GPU is the GTX 1050; a little more powerful thanthe GTX 965m. Think laptops with the GTX 1050 starts at around $675.