To see if it is the display itself, or something else involved, try hooking up an external monitor to the laptop and see if you can see things OK, or if they still show fuzzy.
If they are OK on the other monitor, then your laptops display is the problem. If you still have problems, then it could be the settings, drivers, or the graphics card.
Make sure you have the most up to date drivers, and check the displays settings. If those are good, then that leaves the graphics card, which then may need replacing.