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It's not getting a video signal from the computer. &nbsp;
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It's not getting a video signal from the computer.  

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it gets signal, because the same cable works for my alternate monitor. monitor is 3 years old and has worked fine until now.
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it gets signal, because the same cable works for my alternate monitor. monitor is 3 years old and has worked fine until now.

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Then the graphic generator board has crapped out on the monitor. &nbsp;<br />
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The above assumes it happens all the time, even when booting.<br />
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If it only happens in the GUI, you may have inadvertently changed the frequency or resolution to one not supported by the monitor.
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Then the graphic generator board has crapped out on the monitor.  

The above assumes it happens all the time, even when booting.

If it only happens in the GUI, you may have inadvertently changed the frequency or resolution to one not supported by the monitor.

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when the computer boots, the monitor will display the acer logo then about one second of the windows boot screen before going blank. turning the monitor on and off brings up acer logo then &quot;no signal&quot; if i reboot computer i get the acer logo then windows boot screen for a second then blank. it happens every time
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when the computer boots, the monitor will display the acer logo then about one second of the windows boot screen before going blank. turning the monitor on and off brings up acer logo then "no signal" if i reboot computer i get the acer logo then windows boot screen for a second then blank. it happens every time

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Not sure why that deserved a B grade, but I guess you have your reasons.
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Not sure why that deserved a B grade, but I guess you have your reasons.

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monitor turns on with acer display then goes blank
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monitor turns on with acer display then goes blank

monitor comes on with acer display and then goes blank

A monitor or a display is an electronic visual display for computers, usually comprised of the display device, circuitry, casing, and power supply. The display device in modern monitors is typically a thin film transistor liquid crystal display (TFT-LCD) thin panel, while older monitors used a cathode ray tube (CRT) about as deep as the screen size. They are connected to the computer via VGA, DVI, DisplayPort, Thunderbolt, LVDS or other proprietary connectors and signals.