How to setup your computer to run at 640x480 resolution and 60 Hz refresh rate:

To change VGA resolution:

1. Open "My Computer" -> "Control Panel" -> "Display".

2. Click on "Setting" tab.

3. Move the pointer in "Screen area" to 640 x 480 setting.

4. Click "OK", then follow the instruction.

To Change VGA refresh rate:

1. Open "My Computer" -> "Control Panel" -> "Display".

2. Click on "Setting" tab.

3. Click on "Advanced" button.

4. Click "Monitor" tab on the new pop-up window.

5. Click the down-arrow-head button next to the "Refresh Frequency" to activate the pull-down menu.

6. Select "60 Hz".

7. Click "OK", then follow the instruction.