HP 3080 manual Picture is broken up, rolls, jitters, or flashes, Image is not centered

Table C-5Solving Display Problems (continued)

The picture is broken up, rolls, jitters, or flashes.

Cause	Solution
The monitor connections may be incomplete or the monitor	1. Be sure the monitor cable is securely connected to the
may be incorrectly adjusted.		computer.
	2.	In a two-monitor system or if another monitor is in close
		proximity, be sure the monitors are not interfering with
		each other’s electromagnetic field by moving them
		apart.
	3.	Fluorescent lights or fans may be too close to the
		monitor.
Monitor needs to be degaussed.	Degauss the monitor. Refer to the documentation that came
	with the monitor for instructions.
Image is not centered.
Cause	Solution
Position may need adjustment.	Press the monitor's Menu button to access the OSD menu.
	Select ImageControl/ Horizontal Position or Vertical

Position to adjust the horizontal or vertical position of the image.

“No Connection, Check Signal Cable” displays on screen.

Cause Solution

Monitor video cable is disconnected.

Connect the video cable between the monitor and computer.

CAUTION: Ensure that the computer power is off while connecting the video cable.

“Out of Range” displays on screen.

Cause Solution

Video resolution and refresh rate are set higher than what the monitor supports.

Restart the computer and enter Safe Mode. Change the settings to a supported setting then restart the computer so that the new settings take effect.

Vibrating or rattling noise coming from inside a CRT monitor when powered on.

Cause Solution

Monitor degaussing coil has been activated.

None. It is normal for the degaussing coil to be activated when the monitor is powered on.

Solving Display Problems 153