Asus X550 and Asus X550CA adjust the screen color difference the same way. And they use 15.6-inch touch screens.

       Step 1: notebook boot, in any blank space or Asus X550CA Asus X550 notebook desktop, right-click. In the pop-up options box, select "Personalization" and click to enter.

       Step 2: After you click Personalize, you will enter the personalization interface. Locate the "Show" button on the left side of this screen and click to enter.

       Step 3: After entering the new interface, find “Color Calibration” in the upper left corner of the operation interface. And click to enter will prompt you some precautions, after reading the note, click "Next."

       Step 4: When you enter the "adjust gamma" screen, adjust the sliders in this screen to make the nine small circles in the interface clearer. Then click "Next".

       Step 5: Now enter the adjustment "Contrast" interface, as above, you need to drag the slider in the figure. Make the image in the interface clearer and sharper, and click "Next".

       Step 6: The next step is to adjust the "Color Balance" interface. When you enter this interface, you will find there are three sliders below the interface. Here you need to adjust three sliders to adjust the color of the screen display. In this step, you can use a mobile phone with a particularly good display as a reference. After setting, click “Next”.

       Step 7: Now you can select “Pre-Calibration” and “Current Calibration” in the interface to see the difference between the two settings and determine if you need the result set above. If you are not satisfied, you can click "Cancel" to return to the above steps to re-tune, if you are satisfied, you can click "Finish", so that the process of adjusting the screen color difference is completed.