Today it won't turn on. You of course have to press the jog-button shortly to turn the monitor back on. The phone buttons can be broken because of bad use, old age, construction quality, or material failure. I wish I could get into my computer now. No "Turn off display" option when choosing what the power buttons and lid do. Is there a way to turn on my imac without the power switch? Most people found that their power button spoil, or broken, they will have difficulties to turn on their computer. If you want to turn off screen any time you like, you can configure Windows 10 to turn off display (without putting into sleep mode) when you press the Power button. One of the commands it has is to shut the monitor off. The light by the power switch at the back is ON, so the monitor is getting power. I recently got a new Dell XPS 9370, and on my old laptop I assigned the power button to just turn off the display in the power options so that I can leave time-consuming tasks running overnight. Is there a keyboard combination I could push? Download the Turn Off Monitor for Free Switch Off your Monitor without waiting for Power Settings to Switch off your Monitor. Hit your space bar or shake the mouse and your monitors come right back with no account login necessary. I also measured the power consumption, and it really is 0.0 w - as opposed to the 26+ w every time the monitor comes on when it was supposed to be in stand by - which is about 20s with 1½-2½ min intervals. Press the power button below the screen of the monitor.If the monitor is working properly, the light on the power button should turn on, as should the monitor.If the monitor is plugged in and there is still no power light, this indicates a bad power supply board. See the above picture, the power switch (SW), reset switch (SW) and etc, all this are connected to the motherboard from the power button, a reset button over the casing. To start the computer without using the power button, take out the “Power SW”, make sure you identify which 2 pins belong to the power button (refer to the label behind), use a test pen or any metal surface to touch the two pin, it won’t have any electric spark, just allow the electrical signal from 1 pin send to another pin, your computer will start without pressing any power button. Unfortunately, I bought this on Craig's List and the only thing I know for sure is the monitor is a Dell. [Aspire 5] Laptop won't turn on by clicking the power button my laptop is Compaq hp 420. when I pressured power btton ,light on power button on for a second then off and laptop is not on. My asus x441ua laptop is showing blank screen but led is turned on after pressing the power button. The computer doesn't have any ID at all. I can tell you this much, when you turn the computer on, you push in the top button and you push in the second button for the monitor. In any case, handling our phone, or even activating it without the power button becomes a struggle. I have a call into a mac repair guy but haven't heard back. Scroll down to the ‘Power … Press Power Button. Configure Power Button To Turn Off The Display. Part 2: Turn off Screen Manually by Pressing Power Button. I've got the feeling that's just the way it's made and I don't have any other options. There is no button to turn off the computer screen, there is no shortcut, and HP laptop factory reset cannot solve the problem.