Monitor shows"NO SIGNAL" even after turning off the computer.The monitor has to be switched off manually.the signal has red blue and green band.
This is normal. The monitor is telling you it is not getting a signal from the computer, which is true because you've turned off the computer. The monitor power is still on, however. The monitor power is not controlled by the computer power switch. Just turn it off with its power switch after you shut off the computer.
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thanks a lot.
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