Hinges vary in price due to what they are made out of, but you can get a basic hinge for about 4 dollars, but this will vary depending on your location.
I believe your question is how you go about repairing the hinge on your laptop. To answer that question, the hinge is the part that holds the laptop open when you lift it. To get a basic, but effective method to repair it, check out eHow's topic "How to Repair a Broken Dell Laptop Hinge". Although it states its for Dell laptops, it is effective for other types of laptops as well.
door hinges attached to door and hinge post
Hindge joint
To fix a door hinge that is not working properly, you can try tightening the screws on the hinge, lubricating the hinge with oil or WD-40, or replacing the hinge if it is damaged.
A hinge joint is not immovable. A hinge joint has one plane of motion. A good illustration of a hinge joint is the knee joint.
To replace the Ford Explorer rear window hinge, you have to buy a similar window hinge. Use a screwdriver to open the hinge and replace the hinge but fitting it in the window.
To fix a storm door hinge that is not working properly, you can try tightening the screws on the hinge, lubricating the hinge with oil or silicone spray, or replacing the hinge if it is damaged.
The plural for hinge is hinges.
To fix a door hinge, you can tighten the screws on the hinge or replace them if they are stripped. You can also lubricate the hinge with oil or grease to reduce friction. If the hinge is damaged, you may need to replace it with a new one.
hinge joints that allow movement in one plane, such as bending and straightening.
In our joints our hinge joints are located between two bone our hinge joint is our elbow.