Get a medical checkup first.
Find out what's stopping you from losing weight.
If there's nothing wrong, just eat less... and spend less time on your pc.

Do not Overlook Breakfast.
Many people who interpret that by leaving breakfast can have a significant impact on diet success. Because by leaving breakfast can result in slowing of body metabolism. Therefore do breakfast but with foods rich in fiber, protein, and nutrition, such as vegetables, egg whites, and milk.