Buttons are missing how do I make them appear in Ilumniar?

To change your monitor’s resolution

1.	Right-click the desktop, and then click Properties.
2.	In the Display Properties dialog box, click the Settings tab.
3.	Drag the Screen resolution slider to the left to decrease the resolution of your monitor, making text and pictures appear larger. Or drag the Screen resolution slider to the right to increase your monitor’s resolution, making text and pictures appear smaller.
4.	Click Apply to have the new resolution take effect.
5.	If the Monitor Settings dialog box appears, look at your display. If you like the new resolution, click Yes. If you do not like the resolution, click No, and return to step 3 to try a different resolution.
6.	Click OK.