Question Philips MERIDIAN 234EL2 shows "Looking for cable" when i turn off pc for ages and its so bright

Aug 1, 2021
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its connected byHDMI
and when you turn off pc its"looking for cable" on black background for so long and its so bright I can read in night its bothers me so much and makes it hard to go to sleep coz when i turn off pc from phone lying on bed i don't want to get up to turn off monitor on its touch screen buttons
how can i make it not look for cable and turn off immediately ?
 

ASK THE COMMUNITY