Author Date within 1 day 3 days 1 week 2 weeks 1 month 2 months 6 months 1 year of Examples: Monday, today, last week, Mar 26, 3/26/04 The monitor is receiving power as the light on the back is lit. I connected the PC to another monitor (different cable) and that works fine, so the PC is working as it should. If no light comes on after several attempts, proceed to the next section. Check the Monitor for Power. The monitor should also have a power indicator on it right above the power button that lights blue when the monitor is working normally and turns amber if … Discussion My monitor won`t start. Several hours later, I returned the tower and attempted to reconnect the monitor... and of course, now it won't turn on again. Does yours have that? On the other hand, I switch on my laptop first and after it boots to the desktop, then I turn on monitor i.e. You see lights on the computer case, probably hear fans running from inside, and may even hear sounds, but nothing at all shows up on your screen. The images of this monitor that I can find show a little power symbol underneath the Samsung logo, which according to the manual is the power button. Unplug the cord from the back of the monitor. Confirm the monitor is correctly connected to a power source, and it's turned on. Monitor Won't Won't Turn On Waking From Sleep -Have jiggled power cord to pc, both ends of monitor's cable to pc but nothing happens. Wait one minute; Plug the monitor cord back into the Monitor and a known-good wall outlet. Restart the computer to re-establish the connection. The most common way that a computer "won't turn on" is when the PC actually does power on but doesn't display anything on the monitor. Same situation, when the monitor has power the blue light is on but neither connecting a source or pushing the jog button has any effect whatsoever. Monitor is not on. The monitor power light at the front doesn't come on - surely it would still light up even if the cable was faulty. Check the power strip by attaching the power cord into the wall, while doing so make sure the switch is not turned on. The power LED indicator will be Blue or White when you have an active signal from the source. If this doesn’t work plug into another power source and see if there are any power lights. For some silly reason, however, when the connection gets re-established (when you bring your monitor out of Sleep mode), sometimes the monitor doesn’t re-establish that connection even though the cable is still plugged in. Unplug the monitor from the wall. Next day, If I switch on my monitor i.e. Make sure the monitor’s power cable is properly seated in the port and that the monitor is powered on. If this still does not work, try with known-good power cord. By default an LED indicator will light up when the monitor is powered on. AC Power cord, the windows does NOT detect the second screen. posted by that girl at 7:26 PM on April 24, 2015 . When your monitor goes to sleep, the connection between it and the cable connecting it is severed. It may seem obvious, but make sure the monitor is turned on. The basic step to address the Acer monitor not powering is to check the connections and power supply. Typically a Desktop power cord is the same as a Monitor power cord. If not, can you post a photo of the front and the back of the monitor? If you do not see a power LED (blue, green, or orange light) on the front or bottom of the monitor, press the power button again. -Have checked both keyboard and mouse hardware settings and they are set to "wake" AC power source "first" and turn on my laptop second, windows detects the monitor without any problem. 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