Question about Acer H243H Monitor

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Acer monitor no signal

I just unplugged the DVI cable and plugged it right back in, now monitor says No Signal. Worked yesterday...

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ZeroNullity

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If your monitor has various input sources, make sure it's on the correct input source in the main/input menu. If that's not the problem double check the cable for bent pins also make sure if you have a video card with DUAL dvi outputs that your using the correct one.. as the other one might be secondary and non-functional. It's possible but highly unlikely if you unplugged the DVI cable while the monitored was still powered on it could have damaged the video card of the computer or mainboard of the LCD monitor. When in doubt try another DVI cable if all else fails.. if you have another DVI monitor (thats a known good) try that also to make sure that the video card is not the problem.

Posted on Nov 06, 2013

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5 Related Answers

Anonymous

SOURCE: connecting dvi cable straight to acer monitor

The cable box is probably outputting a resolution the monitor is not compatible with. Computer monitor and television resolutions are usually different, and not cross compatible in some cases.

For example, wide screen monitors are usually 16:10 aspect ratio, while TV is usually 16:9 aspect.

The AL2216wbd is a 1680x1050 display, while HD TV is either 720p (1280x720) or 1080i (1920x1080).

If your cable box is set to 1080i that would be too high for the monitor. You will need to set it to output at 720p, and even then you will probably get a vertically stretched picture since the monitor has a taller aspect.

Posted on Jul 28, 2008

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Bogdan

Motoi Bogdan

  • 198 Answers

SOURCE: Acer AL1916W 19" problem

Hello mat78, Unfortunatelly the problem is hardware based. You will need to have the monitor repaired in a service center. Here's why: LCD/TFT monitors don't produce light themselves. They are composed by a matrix of transistors (TFT - thin film transistor) that have the property to reflect or allow some light (certain wavelenghts)to pass through them. They don't produce light by themselves. Instead there is a fluorescent tube (neon like) light inside the monitor and that's the light source used in order for you to see what's on the screen. A flourescent light is suposed to last pretty much, i don't think yours has a problem, you say it works for some seconds or so. Instead your problem is most probable with the inverter circuitry that powers on that light. It's a common problem among these types of monitors but in your situation i don't think it will be an expensive repair. In the case that the screen is dark (in a dark place you can't read or view anything on it) but if you apply light to it ( a flashlight or something) and you see something, then the problem is most likely to have occured with the invertor. Try to ask at a local service center for a repair, this shouldn't be an expensive procedure. Hope this helps.

Posted on May 24, 2007

Anonymous

  • 47 Answers

SOURCE: Monitor comes up shows "acer" then says no signal and goes black

The interface between the monitor and the cable might need replacement. Please check it.

Posted on Jan 12, 2009

Shadow1989

  • 408 Answers

SOURCE: why do I get a "No Signal" on my Acer x193w monitor?

sounds like a video card issue.  Check the screen on another computer.  If it is doing the same thing, it is the monitor.  If it doesn't, then you have a video card issue

Posted on Mar 06, 2009

Anonymous

  • 1 Answer

SOURCE: Acer X223W monito won;t wake up after sleep.

I have a dual monitor system, both are the x223w. Same problem but only on the second monitor. Backlight shuts off.On/off light stays blue. I have to turn off the monitor and turn it back on. I returned it and Acer could not find any problem so I got it back. No problem for awhile and now a few times over the past couple days. Not good...

Posted on Jan 07, 2010

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did u try a different connector of cable?

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No signal


Press the Function Button to open the short cut menu. Locate the Input graphic and press the button for it. Each time you press the button, it will cycle between DVI and VGA input jacks. Allow a few seconds for the display to switch inputs. Make sure that cable is connected securely to the associated jack in the back of the monitor and the computer (or other source). If either VGA or DVI input is selected ,but the VGA and DVI cables are not connected, a floating dialog box indicates:

"No Cable Connect" or "No Signal"

Your manual can be viewed here:
http://www.manualslib.com/manual/268264/Acer-S201hl.html#manual

Good luck!

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My acer monitor H243H says No Signal after I unplugged the DVI cable and plugged it back in. I can't switch the input because nothing happens when I push the input button on the bottom of the monitor. It...


Maybe your BIOS switched to VGA output, try plugging in another monitor which has VGA input and change settings in BIOS for default output to DVI.

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I'm using a lenovo L195 LCD monitor, and my Graphic Card is Geforce 9300 GE. It is said that both the card and the monitor support DVI. When I try selecting the DVI signal input from the button on the...


If it's got a DVI input then it can handle a DVI signal.

There is no reason to have two cables plugged in unless you have two screens. If you've got two leads plugged in then the second one is probably turned off by default. I remember when I had a dual monitor set up, I had to turn on the second output in order to get both screens working.

You haven't said if you removed the d sub when the pc was off, but I get the impression that it was on at the time. Try unplugging the d sub while the pc is off, check the dvi cable is inserted correctly on both ends and then turn your pc on. It should now be working.

If that doesn't work then turn your pc off again, plug the d sub back in and start it up. Go to your display settings and turn on the dvi port, you want it to display a copy of the first screen. if you extend your desktop then you'll only be able to see half of it at a time. This isn't an ideal solution and your graphics card will be doing double the work, so try it the proper way first.

You might not notice the difference though.

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try going to "display properties" and adjusting the settings there. Right click on the desktop wallpaper and go to properties, then click on the settings tab. Make sure the TV setting is turned on

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they all come with two cables. blue being vga, white being dvi cable. you only need to plug the blue into both ends (computer and into the monitor) and turn on. If it is still not working how many video cards are there on the computer? Do you have it plugged into the right spot and is it tight on both ends?

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Just got off the phone with Acer Suppport. This was after I sent an email to them, that suggested that I call. 8-/ annoying. So the guy on the phone says there is one thing that we can do before sending it in. Unplug it completely for the wall and computer. Hold the on/off button in for 30 secs. reconnect power and the computer. It worked for me

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