Question about Acer AL2017 20" LCD Monitor

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Connecting dvi cable straight to acer monitor

Connected a dvi cable from the back of my cable box to monitor's dvi input and it say's on screen input not supported. What does this mean.

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  • Rivercity Feb 10, 2008

    Same exact issue. Using HDMI to dvi cable connected to scientific atlanta cablebox hdmi out port to acer dvi in and changed selection via monitor menu. still get input not supported.

  • Humanculus Mar 31, 2008

    I have a Scientific Atlanta box with my AL2216wbd and I'm having the same problem.

    The cable guy is coming within a few days.  I looked in the specs sheet that came with the box, and it said, "For an HDMI to DVI connection, use an adapter."  I've seen dumb and smart adapters on eBay, maybe one of these would solve this problem.  I'll let you guys know.

    Darn, Mac Safari is nice.




1 Answer

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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Not sure what your cable box outputs but connect your cable box to a tv and try changing the resolution of your cable box to 1600x900 or less if there is such a setting; the monitor will not display resolutions higher than 1600x900

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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:

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The manual won't help you to much in this regard.
This monitor is a standard type that has both a VGA and DVI input.
Normally what you would use with a personal computer.

If you want to use it as a TV monitor you will have some sort of device that outputs to VGA or DVI.
DVI stands for "Digital Visual Interface" and it's preferable over VGA as it should potentially give you a better image.

This means:
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B) Find a DVD, and, or Tuner/Cable/Satellite box that has these outputs.
If you want to use Cable or Satellite, contact your provider company and see if they have a box that will output to either VGA or DVI. Might have a hard time finding one of these, or it might cost more then it's worth.
C) Buy a S-Video input to VGA/DVI output. You can buy these for around $40.
Then you should be able to hook it up to just about any device as most modern TV devices will have an S-Video outputs.

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Not Good..
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