HP 280 G1 Dim characters Cause Solution, Install the video drivers included in the upgrade kit

Blank screen and the power LED flashes Red seven times, once every second, followed by a two second pause, and the computer beeps seven times. (Beeps stop after fifth iteration but LEDs continue flashing.)

Cause	Solution
System board failure (ROM detected failure prior to video).	Replace the system board.

Monitor does not function properly when used with energy saver features.

Cause Solution

Monitor without energy saver capabilities is being used with energy saver features enabled.

Disable monitor energy saver feature.

Dim characters.

Cause	Solution
The brightness and contrast controls are not set properly.	Adjust the monitor brightness and contrast controls.
Cables are not properly connected.	Check that the graphics cable is securely connected to the
	graphics card (if applicable) or video connector and the monitor.
Blurry video or requested resolution cannot be set.
Cause	Solution
If the graphics controller was upgraded, the correct graphics	Install the video drivers included in the upgrade kit.
drivers may not be loaded.
Monitor is not capable of displaying requested resolution.	Change requested resolution.
Graphics card is bad.	Replace the graphics card.
The picture is broken up, rolls, jitters, or flashes.
Cause	Solution
The monitor connections may be incomplete or the monitor may	1. Be sure the monitor cable is securely connected to the
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.

74 Chapter 7 Troubleshooting without diagnostics