Trust me. Pick one that has been out on the market for 18 months. You will get the best price, and much better software drivers than the people who insist on buying a $500 video card that becomes a $150 video card in 18 months.
What you need to be compatible with a new graphics card depends on the card and the computer and operating system.
configure the application to run correctly with the new graphics card
Get a new motherboard or a new graphics card.
Either because you need a new graphics card and your graphics are set on low resolution
get a new graphics card
Here is a good article on using of Graphics Card,http://boddunan.com/component/content/article/37-new-technologies/3743-graphics-card.html?directory=3
buy a new laptop
No, you do not
Buy a Graphics card/New comp with the card or your game will suck/be impossible to play
OpenGL is an API provided by your graphics card driver. To update it, you need to download newer drivers for your graphics card. If this does not resolve your issue, you will need to purchase a new graphics card to use the application.
Buy a new graphics card and install it.
Depends. If you have only 1GB RAM, the game will lag. If you have a lower end graphics card, it will hardly run or wont run at all. A better graphics card is best but more RAM will help.