My monitor receive sounds when its turned sour, similar to zzzzzzzz.... anyidea?

surrounded by my previous screen i hear that sound for two weeks, after the blue color has gone, i returned it to warranty and they give me another one, but this new ne also brand name sounds when turned off, im afraid that it break down, approaching the previous one, plz help, is it electricity or what??

i use Samsung SyncMaster 793DF monitor, 220v electricity

Answer:
Probably lately the power supply idling within the standby mode. I wouldn't worry in the order of it if everything else works right. Transformers can make a buzzing nouns and it's nothing to verbs about.

Boy, I wouldn't trust Andy... sounds close to he's been on drugs.
This be another store return that they shovelled to you and likely you've be ripped, it is under stress of the LCD diode or CRT gun (both clear similar sound within stress) this screen is not contained by a shape that's expected from a replacement.

Although it happens when its OFF? Do you stingy when its ON?
Monitor is bad. Sounds similar to those monitors have have a bad production run (IE A desperate batch)

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