You can configure your monitor resolution settings to suit your screen resolution.
If you have configured your monitor resolution settings and you are experiencing display issues, restore your DVR / NVR display resolution to default settings.
To restore the display resolution to default settings on your DVR / NVR:
Right-click on the Live View to access the Quick Menu.
Click Main Menu and then click the Setting icon ().
Click Setting > Display.
Click the Display tab.
Click Default at the bottom of the screen.
Click Apply to save the settings, and then click OK to exit. The DVR will restart.