To change monitor resolution:

WINDOWS OS:
1. Click to your desktop.
2. Right click the mouse.
3. Select properties from the menu.
4. Select the settings tab.
5. Move the pointer under screen area until it reads 1024 x 768.
6. Click apply and your screen will change.

MAC OS:
Using the Control Strip
1. Open the Control Strip by clicking its end.
2. Click the TV icon with a checkerboard pattern.
3. Select from the choices offered: Color LCD, 640 by 480, 800 by 600, and 1024 by 768. Not all Macs offer all choices.
4. Your screen resolution changes instantly.
5. Close the Control Strip.

Using the Monitors & Sound Control Panel
1. Click the Apple menu, select Control Panels, and choose Monitors & Sound.
2. Click the Monitor icon.
3. Select your resolution. Your screen resolution changes instantly.
4. Click the control panel's close box.