HP dx2290 Service Reference Guide - HP Compaq dx2290 Business PC - Page 91

Solving Display Problems continued, Table D-6 - windows 7 drivers

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Table D-6 Solving Display Problems (continued) Blank screen (no video). Cause Solution Monitor cable is plugged into the wrong connector. Ensure that the monitor is plugged into an active connector on the rear of the computer. If another connector is available, connect the monitor to that connector and reboot the system. Monitor settings in the computer are not compatible with the 1. Using the keyboard arrow keys, select Enable VGA monitor. Mode and press Enter. 2. In Windows Control Panel, double-click the Display icon and select the Settings tab. 3. Use the sliding control to reset the resolution. Monitor does not function properly when used with energy saver features. Cause Solution Monitor without energy saver capabilities is being used with Disable monitor energy saver feature. energy 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 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. Solving Display Problems 83

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Blank screen (no video).
Cause
Solution
Monitor cable is plugged into the wrong connector.
Ensure that the monitor is plugged into an active connector on
the rear of the computer. If another connector is available,
connect the monitor to that connector and reboot the system.
Monitor settings in the computer are not compatible with the
monitor.
1.
Using the keyboard
arrow
keys, select
Enable VGA
Mode
and press
Enter
.
2.
In Windows Control Panel, double-click the
Display
icon
and select the
Settings
tab.
3.
Use the sliding control to reset the resolution.
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 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.
Table D-6
Solving Display Problems (continued)
Solving Display Problems
83