“No Connection, Check Signal Cable” displays on screen.
Cause | Solution |
Monitor video cable is disconnected.
Connect the video cable between the monitor and computer.
CAUTION: Ensure that the computer power is off while connecting the video cable.
“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.
To enter Safe Mode in Windows 8:
1.Press the Windows logo + l to open the Settings charm.
2.Select Change PC Settings, select General, and then under Advanced startup, click Restart now.
3.Select Troubleshoot, select Advanced options, select Startup Settings, and then click Restart.
4.Use the function keys or number keys to select the safe mode option you want.
When your computer is in safe mode, Safe Mode displays in the corners of your monitor. To exit safe mode, restart your computer and let Windows start normally.
High pitched noise coming from inside a flat panel monitor.
Cause | Solution |
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Brightness and/or contrast settings are too high. | Lower brightness and/or contrast settings. |
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Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to center the picture on the screen (flat panel monitors using an analog VGA input connection only).
Cause | Solution | |
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Flat panel monitor’s internal digital conversion circuits may be | 1. | Select the monitor’s |
unable to correctly interpret the output synchronization of the |
| monitor’s |
graphics card. | 2. | Manually synchronize the Clock and Clock Phase |
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display functions. To download a SoftPaq that will assist you with the synchronization, go to the following Web site, select the appropriate monitor, and download either SP32347 or SP32202: http://www.hp.com/support
Graphics card is not seated properly or is bad (some models).
1.Reseat the graphics card.
2.Replace the graphics card.
70 Chapter 7 Troubleshooting without diagnostics