As the pointer switches to a crosshair, click and then unclick to select the area you are willing to snapshot. To make a specific area your focal point, first, you have to press command+shift+4 keys simultaneously. To add it to your clipboard, repeat a similar process using this combination. Through this attempt, the screenshot will be saved on your desktop. If you wish to capture the consolidated frame of your desktop, you need to press the Command+Shift+3 keys concurrently. What do do when screenshot on your MacBook fails to work.Disable the option of automatic uploading.Do’s and Don’ts of taking a screenshot on Mac.