Overview

This guide explains how to adjust brightness settings independently per display using:

• Intel HD Graphics Control Panel (Older systems – i5 4th Gen)
• Intel Graphics Software (Newer systems – N97 or higher)

A. For i5 4th Gen (Intel HD Graphics Control Panel)

Steps

1. Open Intel HD Graphics Control Panel

• Right-click on desktop
• Click Graphics Properties
• Select Display

2. Select the Display

• At the top, find “Select Display” dropdown
• Choose:
  • Digital Display (External screen / customer display)
  • Built-in Display (Main POS screen)

? This is the key step — settings only apply to the selected screen

3. Adjust Brightness

• Go to Color Settings
• Adjust:
  • Brightness
  • Contrast
  • Gamma (optional)

4. Apply Changes

• Click Apply
• Repeat the same process for the other display

Notes

• Each display must be configured one at a time
• If both screens change together, ensure:
  • Correct display is selected
  • Not set to mirror-only mode

B. For N97 or Higher (Intel Graphics Software)

Steps

1. Open Intel Graphics Software

• Right-click desktop
• Click Intel Graphics Software

2. Go to Display Settings

• Click Display tab

3. Select the Target Screen

• At the top, select:
  • (1) Internal Display
  • (2) External Display

? This ensures adjustments apply per screen

4. Adjust Brightness

• Under Color Settings, adjust:
  • Brightness (All Intensity)
  • Contrast
  • Saturation / Hue (optional)

5. Repeat for Other Display

• Switch display at the top
• Adjust separately

Notes

• Settings are saved automatically
• Make sure displays are in Extend mode, not duplicate

Troubleshooting

Quick Summary