![](/images/new-backgrounds/1202680/20268089x1.webp)
Monitor not connected correctly.
4 short beepsPC turned off.
Monitor received unsupported signal frequency.
2 short beeps every 15 sec.
Monitor is in the advance notice mode of the Off Timer. The power will be off within fifteen minutes.
Monitor not connected correctly.
4 short beepsPC turned off.
Monitor received unsupported signal frequency.
2 short beeps every 15 sec.
Monitor is in the advance notice mode of the Off Timer. The power will be off within fifteen minutes.