Repair guides and support for computer monitors produced by Samsung.

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Monitor turns black after a few minutes

This Samsung Syncmaster 940NW monitor works fine except for the fact that it turns black after a few minutes. A few minutes means: 5, 10, 15, 20 or whatever minutes it likes to stay on. What could be the cause for this blackout?

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John Van Dael check your power supply for bad capacitors. It sounds like you are losing either your backlight or total power.

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THX Oldturkey. I will check this out as soon as I have time.


Checked electronics. No bad capacitors.


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John Van Dael will be eternally grateful.
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