Monitor Shows pixelated colors then flashes no input and turnsoff
Ok So I'm playin a game online, first my computer beeps once, then the screen looks like it has colors kind of melting into in until it all turns into big pixelled squares. I had sound and dont believe it locked up but I cant really tell to be honest. I powered down the computer and now everytime I start it my monitor gives me a crazy color show then my monitor flashes no input and turns off, after 10 seconds I get the crazy colors again then off again, this repeats over and over again until I turn off the computer. Im hoping its a monitor or Video Card thing I just have if theres a way I could get a definite answer as to which one.
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Acer produces a number of LCD computer monitors. Acer's monitors range from 17 inches to 27 inches. Some monitors offer wide-screen viewing, embedded speakers, high-definition visuals, and various display connection ports. Acer computer monitor problems include common issues such as dead pixels, error messages, and blank screens caused by incorrect connections. Some reviewers have also detected image problems with DVD playback on some models.
"Input Not Supported" Error Message Acer computer monitors such as the G24 may issue an "Input Not Supported" error message when users set the display resolution too high. The G24's maximum display resolution is 1920x1200 with a 60Hz refresh rate. Maximum resolutions vary according to the specific monitor model and according to the capabilities of the computer's video card. b> "Input Out of Range" b> Some Acer computer monitors may report an "Input Out of Range" error message due to incorrectly set monitor refresh rates. Much like the display resolution, each monitor also has specific monitor refresh rates with which it is compatible. Blank Screen or "No Signal" Error b> Like other monitors, Acer computer monitors feature color-coded power indicator lights. If the power indicator light shows green, the contrast or brightness levels may be set too low and should be adjusted via the OnScreen Display. If this does not rid the monitor of a black screen, the monitor may be experiencing hardware failure. The "No Signal" or "Check Cable message" may indicate a problem with the monitor's cable connection with the video card. This error may also appear on a blank screen backdrop if the monitor is plugged into the incorrect port on the computer or if the computer is frozen and needs to be rebooted. Faulty power cords or outlets may cause the screen to be black and to show no power indicator color. b> Image Issues b> Some review sites such as CNET have reported problems with streaking and ghosting during DVD playback on some Acer computer monitors such as the AL1931. (A "ghost" is an identical offset image as the primary or desired image.) Unstable or unclear image issues may be caused by incorrectly programmed VGA timings or incorrectly installed monitor drivers. b> Dead Pixels b> Dead pixels and sub-pixels can cause a variety of display enjoyment problems. Acer will only accept returns on LCD computer monitors that have "more than four (4) defective pixels per million pixels." Further, the central area of the monitor may have no more than one defective pixel. Acer does not differentiate in warranty terms between pixels and sub-pixels. Hope this helps.
Don't worry about it. During boot time, the input to the monitor is set to a different resolution (640X480 for plain text). The monitor remembers settings for different resolution inputs, and the position is wrong but it's not a monitor problem as such. You could adjust the position and the display would be properly centered, but it's not worth the effort. Once the system starts Windows and the resolution switches to your normal settings, the display looks right. Once in Windows, you can't even set the resolution low enough to adjust the monitor; Windows won't go below 800X600 pixels.
The problem is either the video graphics card in the computer or the monitor, if you have a backup monitor check the computer first, if the same problem persists the video graphics card is bad. If however the second monitor is fine, then your monitor is the problem, The screen is breaking down, if you have a detachable video cable, sub it for another to make sure there are no issues,if okay your monitor is the problem and not cost effective for repair.
I assume this is related to your LCD monitor.
I think you mean dead pixels. The LCD monitor has tiny pixel elements, one for each red, blue, green color and each one of these colored pixels are turnes on by a transistor. When a transistor fails then the colored pixel it controls does not light up. This is a dead pixel and it shows up as a tiny black dot.
If the screen displays a blue screen, a dead blue pixel will appear as a tiny black dot in the blue screen.
You normally would not notice a few dead pixels unless they are grouped together.
In Your Desktop, Right Click -> Properties. In this Display Properties window, Click on Settings Tab. Adjust the screen resolution to '1280 by 1024 pixels'. Set Color Quality to 'Medium (16 bit)' Then click on 'Advanced' Button. In Monitor Tab, Set the Screen Refresh rate to 60 Hertz. Click Apply/Ok in both the settings windows. This will Solve your Problem. Else, Try setting Color Quality to 'Highest (32 bit)'.
Your monitor is set to the RGB input which is the 3 cable connection that alot of older HDTV's use. There should be a button on the monitor to switch inputs so if you are using a DVI connection make sure it is set to DVI input; same if you are using VGA. Once the proper input is set your monitor screen should come on. Hope this helps.
If it is a desktop, try another monitor and see if you're gonna get the same problem. If its a laptop, connect an external monitor to it. If the other monitor shows the same thing, it means to say that there's just something wrong with your video card. If that's the case, you might as well uninstall and reinstall the video driver. If in the other case, the other monitor's fine then definitely its your monitor. if there's a reset button or a factory reset button available on your monitor then reset it. If the same thing happens, get it replaced.
disconnect the signal cable from the computer. if it shows color bars, it means your monitor is ok and your video card is faulty. if it still does the same thing. you need to reseat the video card if its not integrated.