Question about NEC MultiSync P1250 Plus (White) 21" CRT Monitor
Hi, My NEC MultiSync P1250+ has two symptoms: 1. At start up it emits a high frequency hiss from the back. After it warms up a bit, the noise stops. 2. Intermittently, the picture will blip off for an instant and come right back. Pleas Help, Thanks.
I had the same problem. Your monitor is warning you of failure. The hissing sound is the picture tube powering up. The momentary blank screen is when the power supply for the monitor has become hot. Your monitor is getting ready to quit. My suggestion is to buy a new monitor. To have a tech repair it would be more expensive then buying a new one.
Posted on Sep 20, 2007
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Posted on Jan 02, 2017
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