By default, a laptop do not use the dedicated graphics card but use the internal one to save battery.
I'm gonna explain you below how to use the dedicated graphics card instead of the internal one.
I imagine that you use google chrome for this case but it can work for any other web browser like Firefox, Opera, Edge .....
Step 1 : Make a right click on your Google Chrome web browser shortcut and click properties.
Step 2 : Check out and remember the location of chrome.exe in the "Target" box.
Step 3: Make now a right click on your desktop and click on "Display settings".
Step 4 : Click on "Graphics settings".
Step 5 : click on "Browse and select chrome.exe at the location found in the step 2.
Step 6 : Click on "Options" and select "High performance"