Question about NEC AccuSync 120 (White) 21" CRT Monitor

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No picture; power LED blinking amber/green 2-2-2-2...

Subject line says it all. Sometimes when trying to wake up this NEC AccuSync 120 monitor (either by cold-start powering up or just nudging the mouse when in screen-save), I'll get nothing but what looks like a blinking error code from the power LED: 2 green blinks, 2 amber blinks, 2 green, 2 amber, repeating endlessly. If left alone, the monitor will eventually come back on as normal after about 10-15 minutes, and stay normal until its next shutdown (either power-off or screen-saver). Notably, when it does finally wake up, I don't get the usual degaussing pop; it just quietly lights up as if nothing was wrong. Monitor is connected to an HP/Compag Intel P4 with XP Pro SP2; no recent hardware changes or problems of any kind.

This problem has been occurring off-and-on for literally years with this setup. It doesn't happen every time; maybe every few days, though, then weeks with no occurrence. Email to NEC tech support was met with thundering silence, and I don't have a manual for this (an office-issued monitor). I figure that since it's deliberately blinking a 2-2 code at me, I should be able to get that identified; anyone know? TIA...

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You can TRY to look for cold solder at the board esp popwer section.

Posted on Apr 24, 2008

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This is the maximum resolution for this monitor:
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Even if you lower the resolution to the monitor, as I can see that you want to do, the maximum refresh rate is still going to be 76 Hz. If you were able to force the monitor to scan a greater field rate and its protection circuits do not shut it down, the monitor will be damaged.

Your display card is most likely limited also, unless you went out and bought a very high end card.

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Help me with ma monitor


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