What about black edges on both sides of the screen?

The image below is a black-edged effect on both sides of the computer screen, as shown below.

The solution is actually very simple, as long as the resolution to adjust to recommend, the specific steps are as follows:

Here, take Win7 as an example, the right mouse button on the desktop white space, and then choose to enter the screen resolution, as shown in the following image:

into the computer screen resolution settings, we will be the highest resolution adjustment (recommended) That number can be set, remember to click on the bottom of the determination to save, and finally will prompt you to save the display settings, we click "Save Changes" can be, as shown in the following picture:

Through the above set the best resolution of the computer to solve the computer screen on both sides of the problem, encounter similar computer problems friends, may wish to try it.