Mitsubishi DIAMOND PRO 900U NFJ9905SKHUW User Manual (English)

Questions and Answers:

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Joseph KingAug 15, 2025
What to do if my Mitsubishi DIAMOND PRO 900U NFJ9905SKHUW Monitor has no picture?
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  Colleen GreenAug 15, 2025
  If your Mitsubishi monitor displays no picture, try the following: Check the contrast and brightness controls. Ensure the power switch is on and the AC power cord is properly connected. Verify the signal cable is connected, and if using BNC cables, ensure they are correctly connected, especially the green cable. Also, check the computer's power switch and ensure the power management function is not active.
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angela40Aug 18, 2025
What to do if my Mitsubishi DIAMOND PRO 900U NFJ9905SKHUW displays 'No Signal' message?
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  qhillAug 18, 2025
  If your Mitsubishi monitor displays a 'No Signal' message, check the following: Ensure the signal cable is properly connected. If using BNC cables, verify they are correctly connected, paying special attention to the green cable. Check the computer's power switch. Also, verify that the power management function is not active.
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Zachary CollinsAug 21, 2025
How to fix Mitsubishi DIAMOND PRO 900U NFJ9905SKHUW when USB devices are not working?
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  Glenn ReillyAug 21, 2025
  If USB devices are not operating with your Mitsubishi monitor, here are some troubleshooting steps: * If '[Universal serial bus controller]' is not listed in [Device Manager], confirm that Windows98 is installed on the computer. * If '[Mitsubishi USB HUB]' (or '[Generic USB HUB]') is not listed in [Device Manager], make sure of the cable connections. Restart the computer. Turn off the monitor and turn it on again. Disconnect all the cables connected to the Upstream ports and reconnect them. * If, on the OSD screen, the Upstream port to which the USB device you want to use is connected is not colored blue, select the Upstream port by using the OSD screen, "Upstream port selection".
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Ronald MontgomeryAug 28, 2025
How to fix abnormal picture on Mitsubishi Monitor?
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  Steven PowellAug 28, 2025
  To correct an abnormal picture on your Mitsubishi monitor: * Do "GEOMETRY-RESET" for a standard signal. * Adjust H-SIZE, V-SIZE, H-PHASE, and V-POSITION with non-standard signals. Note that the monitor may not be able to get a full-screen image depending on the signal. In this case, select another resolution or vertical refresh timing. Also, wait a few seconds after adjusting the image size before changing or disconnecting the signal.
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Leonard CastilloAug 31, 2025
Why does my Mitsubishi DIAMOND PRO 900U NFJ9905SKHUW Monitor say 'Signal Frequency Out of Range'?
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  Jeffrey RobertsonAug 31, 2025
  If your Mitsubishi monitor displays a 'Signal Frequency Out of Range' message, it is because the input signal frequency range is not compatible. You should check the specification of the graphics adapter and monitor.
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rpetersonSep 3, 2025
Why is my Mitsubishi Monitor display too dark or too bright?
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  Monica MooreSep 3, 2025
  If your Mitsubishi monitor's display is too dark or too bright, the input video signal level select might not be appropriately set for your graphics adapter output (0.7V or 1.0Vp-p). Adjust this setting using the front (OSD) controls.
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Sheila SmithSep 7, 2025
What causes thin vertical black lines on a Mitsubishi Monitor screen?
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  Benjamin PowellSep 7, 2025
  If you observe thin vertical black lines on one or both sides of your Mitsubishi monitor screen, especially after the monitor is warm, try slapping the cabinet sides with an open hand. If the issue persists, position an open white window over the affected area and maximize the brightness and contrast controls to cause localized heating. After a few minutes, readjust the brightness and contrast controls back to normal viewing levels.
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Natalie BondSep 12, 2025
Why is my Mitsubishi Monitor making a buzzing sound when I turn it on?
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  joshua62Sep 12, 2025
  A brief vibration or hum heard just after powering on your Mitsubishi monitor is normal. This sound is caused by the automatic degaussing function. It will occur each time the monitor is powered up from a cold start and each time the manual degauss button is used.