Had my monitor for less then 6months now. Basically when I power on my PC the monitor displays the start up screens Untill the windows start up screen, where the monitor goes to black. The power light blinks for awhile, untill a message on the screen says "No signal" and the power light goes from green to orange. Multiple restarts (15-20) sometimes fixes the problems, not always.
Its a software bug in the monitor. Mine has done this since new. There is a race condiction between the monitor starting and Windows Starting. If the monitor starts faster then it thinks that there is no DVI connection and it will then revert to VGA mode. Try this to fix it, unplug the monitor from the wall (leave the PC ON), wait 1 minute and then pulg it back in.
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I disagree with ikkenom only due to the symptom of the flashing blue light. This would indicate to me that the monitor is not getting any display signal and is in sleep mode at least the is what happens on my Samsung monitor. Used to be that they use a two color led in the monitor, green when ON and getting display signal and amber or orange when in sleep mode. I would check the computer by trying a different monitor. If you have a second monitor, great, if not, maybe a friend will let you bring your computer over and try the computer with their monitor. Could also be a display adapter setting. Do you get any change when you first turn on your computer? i.e. Do you get the BIOS or manufacturer screen when first turned on? Also if you disconnect the monitor cable from the computer and power cycle the monitor, do you get a No Signal display for a few seconds before the monitor goes black and the blue light starts flashing?
Let me know what happens with the testing above or if you need further instructions to carry out testing.
I don't know what might have happened, but a number of years ago I had an apple monitor and the power light on it started blinking, so I got in touch with apple and they told me that it's flashing an error code, so they told me what the blinking indicated and fixed it.
So I think the blinking of the power light on your monitor could be indicating an error code so I suggest you call apple and they will identify what the error is indicating.
This blue light flashing means there is power to monitor bu NO video
signal. No Analog or digital Video . analog is the regular plug for PC
to Monitor, the other is HDMI digital or other digital. Check signal
digital/analog means again: No video signal from PC detected.
they normally turn off like this when they aren't receiving a video signal from the pc (same as when you turn off the pc). make sure that it is connected properly, and that the video output is activated. try disconnecting from the other monitor while its on and connect the problem monitor...if it still isn't working then there may be a problem with the cable or the monitor itself. Try another VGA or DVI cable. Hope this helps
check the warranty online for your screen.. go the the acer support website and look up warranties, and it will ask for a really long number on the back of your screen, and it will tell how long the warranty is good for and what to do with it.
Mine is doing the same thing. flashes white then black and that is all
CH000315, Black borders on side of screen. CH000316, Dead or black pixels. CH000403, Macintosh and/or PC monitor compatibility.
Black borders on side of screen.
Additional information about what causes black borders on computer displays.