How to change Screen Resolution (Windows 98/NT/ME/2000/XP)
On
your desktop, Right Click and choose Properties.
Select the Settings tab.
Drag the slider on the Screen Resolution to show 1024x768 then click Apply.
Depending on your operating system you may be asked if you want to change your
screen resolution, click OK.
The screen will flicker and the new settings will take place.
You may have to restart your system if it's an older operating system.