Calculate how many organisms in so many hours calculator

Ihave a singular monitor that is a tv for my computer. recently, i took apart my computer and put it back together. when i put in the hdmi cord and booted the computer to see if it worked, the computer turned on fine but the screen was blue with "hdmi no signal." i've tried everything that doesn't require buying spare parts, any answer is appreciated!

How is the brightness of oled of the diaplay is controled

You can apply several different worksheet themes from which tab?