Is my monitor dead?

I have a kds VS-21 crt that has been great for a couple years and today when I turned it on the green light came on but the screen remains black. My second monitor is also a crt and it works fine. To troubleshoot I switched vga plugs on my pc and now the 2nd monitor is the primary and the vs-21 is still black. Windows device manager still thinks the vs-21 is there. I also unplugged it from the back of the crt and replugged it in, to no avail. When I turn on the machine the crt light does go from orange to green like its supposed to. I am not sure what to try next so thought I would ask here. Thanks!

<i>Reason the only absolute. Irrationality the only enemy. </i>

I had a Gateway monitor with a bad sleep mode function card. It had trouble waking up. I ended up setting my PC to never turn off the video signal, and turning the monitor off before the computer powered down, so it never went into sleep mode. Then one day Windows got corrupted, so I reloaded it and forgot to disable sleep mode, the monitor never woke up again. That function was controlled by a separate card inside the monitor, but I couldn't find another monitor of the same type with a different problem to provide a spare part, so I threw it out. It was otherwise in like-new condition.

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<i>Reason the only absolute. Irrationality the only enemy. </i>