Monitor display as night signal

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Darshan - Sep 19, 2015 at 04:26 AM
xpcman Posts 19528 Registration date Wednesday October 8, 2008 Status Contributor Last seen June 15, 2019 - Sep 19, 2015 at 01:56 PM
Hello
My cup fans run when I switch on but there is no beep sound and monitor display as night signal. What to do?
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xpcman Posts 19528 Registration date Wednesday October 8, 2008 Status Contributor Last seen June 15, 2019 1,825
Sep 19, 2015 at 01:56 PM
I don't understand "night signal".
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