HP L1520 User Manual page 40

Pixels are missing:
• See "LCD Monitor Quality and Pixel Policy for the hp L1520
Monitor" on page
• See "LCD Monitor Quality and Pixel Policy for the hp L1720
Monitor" on page
• See "LCD Monitor Quality and Pixel Policy for the hp L1820
Monitor" on page
Colors are not pure:
• Check that the video cable has no bent pins and is firmly attached
to both the computer and monitor video connectors.
• Restore the original factory colors setting. See
Recall" on page
• Adjust the RGB (red, green, and blue) colors. See
Color settings" on page
Picture is not centered:
• Adjust the monitor using the Auto-Adjustment function. See
Adjustment function" on page
No sound (selected models only):
• Make sure that the DC cable is properly connected to the base of
the monitor.
• Make sure the main power supply is turned on.
• Check to see if the audio cable is plugged in properly.
• Adjust the volume setting on the audio base and the keyboard.
Make sure the Mute setting on the keyboard and in the Volume
Controls of the computer is turned off.
hp L1520/hp L1720/hp L1820 LCD Monitor
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Troubleshooting
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English 39