How to adjust the screen resolution using the Control Panel in Windows 8.
- Open the Start screen.
- Search for Control Panel and open the application.
- Under Appearance and Personalization, click Adjust screen resolution.
- If the option is not listed there, then click Appearance and Personalization and select Adjust screen resolution under the Display heading.
- If you are using multiple displays, select the display that you wish to change first.
- Click on the second drop-down box and move the slider up/down to increase/decrease the screen resolution.
- After making the desired changes, click Apply and OK.
Video:
https://www.youtube.com/watch?v=bB9pxStPTlA