How to change screen resolution in Ubuntu?
Screen Resolution helps to set/change the size of display dimensions. To change the screen resolution follow the steps.
Step 1: Press the Window key in the keyboard.
Step 2: In the search box, type as system settings and hit enter.
Step 3: System settings window opens. Select Displays under Hardware.
Step 4: Displays window opens, click the drop down near the resolution and select the required resolution.
Step 5: Click Apply to set the new resolution.