I checked event viewer, nothing in either system or application. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Intermittent Windows 10 black screen resolved by turning monitor off then on ... like browser video continue producing sound without glitch. Please private message us the monitor service tag along with the registered owner's name and purchase invoice copy so that we can check and assist you. How long has this been going on for? it doesn't say no signal. Ctrl-Alt Del does not work but Fn-F7 turns the LCD backlight off (darker black screen) and pressing again turns it on with video restored. She usually can turn it back on by moving her mouse. It just randomly turned off and then back on instantly and after that it did it repeatedly. Is there a problem if i change my monitor power cable to my PC power cable and vice versa? HOWEVER, if I go to security, there are "Microsoft Windows security aduditing" entries that match EXACTLY the times that the monitor turned on. Monitor turns off randomly and says no signal. * If a mechanical monitor power button, press the button in for 30 seconds (clears any residual power in the circuits). I plugged in a different dell monitor to my computer and it had no problems and i plugged in a benq monitor and still no issues, but as soon as i plug my dell se2416h monitor to my computer it started turning off and on after 20 minutes. This behaviour happens only after waking up the computer from sleep, but not all the time, and it only happens when I click the Nvidia Control panel on the desktop. I even tried uninstalling graphics card drivers and different power cables and nothing works. I have tried direct wall sockets and extension cables but neither of them make a difference. However, I have one constant problem that I cannot seem to solve. I plugged in a different dell monitor to my computer and it had no problems and i plugged in a benq monitor and still no issues, but as soon as i plug my dell se2416h monitor to my computer it started turning off and on after 20 minutes. Does it say "No signal" on the screen when the monitor goes black? Do both monitors work? Monitor can't be turned on for some time after shutting down by button. The monitor works for 20 minutes and after that it starts turning off and on. #IWork4DellOrder StatusDrivers and Manuals. Monitor connects/disconnects randomly in Windows 10 Hello, My monitor (Samsung C27HG70) randomly loses signal and reconnects back again - the displayport connection appears in the left corner, specific to this monitor. Powercfg -lastwake shows nothing. I had a similar issue. I have an Intel NUC Skull Canyon (great device). If not a mechanical power button, just wait for 30 seconds * Reconnect the monitor and its cabling to the dock * Remove the Windows 10 laptop from the dock * Replace it with the older Windows 7 laptop * Turn both monitors on * Turn the laptop on. well i switched cables and the monitor still does the same. i switched both power cable and vga, still does the same. A reset of the driver always brought the image back to normal. I got the same model new monitor from dell warranty but the problem did not stop, it kept going. My second monitor keeps going to sleep when i try turn it on, Got a new second monitor, non-primary display keeps turning off and on, Screen turns black randomly both monitors. I replaced it with another computer and now one of her two monitors turns off after a few mins. I plugged it in other computers and with different display cables but it still did it. JavaScript is disabled. Question Monitor turns off randomly and says no signal. I have windows 10 and i hope i will get some help, because i'm losing my mind. My … Displays: 4: Nov 10, 2020: Question Monitor won’t turn on: Displays: 1: Nov 5, 2020 : U: Question Monitor can't be turned on for some time after shutting down by button: Displays: 1: Oct 27, 2020: K: Question Monitor turning white when panel resets: Displays: 0: Oct 24, 2020: J: Question monitor randomly not turning on: Displays: 0: … The problem will recur from 2 seconds to a day later. I don't know whats happening , my monitor keeps going black and turning on again. I even tried uninstalling graphics card drivers and different power cables and nothing works. So i bought a dell monitor and it worked for 7 months but one day it just started turning off and on. I narrowed it down to the monitor or the cable. For a better experience, please enable JavaScript in your browser before proceeding. Monitor keeps turning off and on repeatedly, RE: Monitor keeps turning off and on repeatedly. I plugged it in amd and nvidia graphics cards, with vga and hdmi cables, to a laptop and to a desktop computer. it simply goes black, then after a few secs it displays the desktop again. Whenever I turn it on (only the monitor - the computer is not turned on), it goes off and comes back on quickly for about 20 seconds (it kind of blinks very briefly), and then it finally stays on, and then I can turn on the computer.If I turn off the monitor, wait for five minutes, then turn it on, it goes on immediately. You must log in or register to reply here. It seem to be an issue with the monitor. My computer monitor started acting weird a few days ago. While it's misbehaving, is it plugged into a power strip with other devices (in other words, have you tried other power strips and/or a direct connection to the wall)? Have you verified cables are plugged in tight? My last TV had this odd snow in the latter part of its life. After it happened 5 times today, she was not able to turn it back on so I had to disconnect and reconnect the VGA cable to get it to work again. With 10, it's randomly turning on on its own (for about 1 minute, then turns off again).