HP Dx5150 Troubleshooting Guide - Page 37

The brightness and, Dim characters. - graphics driver

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Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause 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. The beeps will repeat five times, but the Power LED will continue flashing until the problem is resolved. Pre-video graphics error. 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. The beeps will repeat five times, but the Power LED will continue flashing until the problem is resolved. System board failure (ROM detected failure prior to video). Monitor does not function properly when used with energy saver features. Monitor without energy saver capabilities is being used with energy saver features enabled. Dim characters. The brightness and contrast controls are not set properly. Cables are not properly connected. Blurry video or requested resolution cannot be set. If the graphics controller was upgraded, the correct graphics drivers may not be loaded. Solution For systems with a graphics card: 1. Reseat the graphics card. Power on the system. 2. Replace the graphics card. 3. Replace the system board. For systems with integrated graphics, replace the system board. Replace the system board. Disable monitor energy saver feature. Adjust the monitor brightness and contrast controls. Check that the graphics cable is securely connected to the graphics card and the monitor. Install the video drivers included in the upgrade kit. Troubleshooting Guide www.hp.com 2-21

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Troubleshooting Guide
www.hp.com
2–21
Troubleshooting Without Diagnostics
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. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Pre-video graphics
error.
For systems with a graphics card:
1. Reseat the graphics card.
Power on the system.
2. Replace the graphics card.
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. The beeps will
repeat five times, but the
Power LED will continue
flashing until the problem is
resolved.
System board failure
(ROM detected failure
prior to video).
Replace the system board.
Monitor does not function
properly when used with
energy saver features.
Monitor without energy
saver capabilities is
being used with energy
saver features enabled.
Disable monitor energy saver
feature.
Dim characters.
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 and the monitor.
Blurry video or requested
resolution cannot be set.
If the graphics
controller was
upgraded, the correct
graphics drivers may
not be loaded.
Install the video drivers included in
the upgrade kit.
Solving Display Problems
(Continued)
Problem
Cause
Solution