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HP ap5000 All-in-One Point of Sale System User Manual Page 32

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  • TROUBLESHOOTING
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Characters on monitor are dim.
Cause Solution
The brightness controls are not set properly. Change the brightness level in F10 Setup:
1. From F10 Setup, select Advanced and click Manual
Brightness Setting.
2. Select the correct setting, 0 providing the least
brightness and 7 providing the most brightness.
Blurry video or requested resolution cannot be set.
Cause Solution
Correct graphics driver may not be loaded or may be corrupt. Install/re-install the correct graphics driver.
Monitor is not capable of displaying requested resolution. Change requested resolution.
The system BIOS needs to be updated. Upgrade the BIOS; a new release of the BIOS could have
been released that fixes the issue.
Graphics has failed. Replace the Head Unit.
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. In a two-monitor system, be sure the monitor cable for
the 2nd monitor is securely connected to the 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.
The system BIOS needs to be updated. Upgrade the BIOS; a new release of the BIOS could have
been released that fixes the issue.
Image is not centered.
Cause Solution
Position may need adjustment. Adjust the monitor.
“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.
Table 4-5 Solving Display Problems (continued)
24 Chapter 4 Troubleshooting
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