HP ProDesk 600 G2 Maintenance and Service Guide - Page 91

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

Page 91 highlights

Blank screen and the power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution 1. Reseat the graphics card (if applicable). Power on the system. 2. Replace the graphics card (if applicable). 3. Replace the system board. For systems with integrated graphics, replace the system board. 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 Disable monitor energy saver feature. saver features enabled. Dim characters. Cause The brightness and contrast controls are not set properly. Cables are not properly connected. Solution Adjust the monitor brightness and contrast controls. 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 drivers Install the video drivers included in the upgrade kit. 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 be 1. Be sure the monitor cable is securely connected to the incorrectly adjusted. computer. Solving display problems 83

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Blank screen and the power LED
flashes
Red six times, once every second, followed by a two second pause, and the computer beeps six
times. (Beeps stop after
fifth
iteration but LEDs continue
flashing.)
Cause
Solution
1.
Reseat the graphics card (if applicable). Power on the system.
2.
Replace the graphics card (if applicable).
3.
Replace the system board.
For systems with integrated graphics, replace the system board.
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 drivers
may not be loaded.
Install the video drivers included in the upgrade kit.
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 be
incorrectly adjusted.
1.
Be sure the monitor cable is securely connected to the
computer.
Solving display problems
83