Question about Computer Monitors

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Monitor no longer will switch to Analog (VGA) source.

...This suddenly happened to me when I tried to play my XBOX 360, which uses VGA. Whenever I try pushing to "Source" button, it keeps switching back to Digital (DVI). The only way I can get to VGA mode is if there is a signal in DVI mode, which means I have to turn on my computer every time I want to play my 360.

Why is this all of a happening all of a sudden? I tried using the "Factory Reset" feature in the menu, and have even unplugged the power cable for at least 6 hours, to no avail.

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  • rogue1234 Mar 08, 2008

    I have just the opposite problem. It will only take an analog signal and will not recognize digital. Checked cables, tried menu to change input options from analog to digital but it just keeps saying no analog signal if I am hooked up to dvi.

  • Psythik Mar 14, 2008

    I tried a 24-pin Dual Link cable, but I still can't switch to VGA unless my computer is on (which uses DVI, as stated before). I don't understand why I was able to switch back and forth between sources without a problem just two weeks ago, and now I suddenly can't. I think I might have to send in my monitor for warranty service (assuming it even has a warranty...).

  • Psythik Mar 14, 2008

    I tried a 24-pin Dual Link cable, but I still can't switch to VGA
    unless my computer is on (which uses DVI, as stated before). I don't
    understand why I was able to switch back and forth between sources
    without a problem just two weeks ago, and now I suddenly can't. I
    think I might have to send in my monitor for warranty service (assuming
    it even has a warranty...).

  • Anonymous Sep 07, 2008

    I have exacty the same on a LG flatron plasma, i connect my decoder to the composite (av) and my pc to the vga, but with no pc powered then i am stuck in vga mode, if i switch the pc on(signal in vga ) then it lets me change to av....all begun whn i tried to run a Nitendo wii in rgb mode

  • ccmdphd Dec 27, 2008

    my syncmaster is stuck in tv mode, not dvi. nothing I seem to do will bring it out.

  • Anonymous Mar 19, 2014

    i am trying to use a hdmi cord to play my xbox 360 and its works one day but when I turn off the game the monitor goes into power saver mode and i have problems getting it back out the next day the sound still works when i start the console up but no picture


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Hey fellas,

I just bought the 22" Gateway Monitor and am Having similar problems.

Heres what I found out:
Check the recommended cable input \ outputs for your cards and monitor. I know this 22" says it needs a 24-Pin DVI-D Dual Cable, but works with the others.

I'm currently using a 18-Pin DVI-D Single and think that is the problem. My card supports DVI-I Single and Dual, so I would recommend, for myself, DVI-I Dual Link to make sure it has the max power and signal.

Check to see what cable you are infact using, and go to this website to get some info on DVI-Cables:

This is where I found out that I didn't have the cable the monitor required for max input, and might be the solution.

I will post back, but this should get your started.

Posted on Mar 13, 2008

  • JBarbea1 Mar 13, 2008

    Mary_GWER1660 says:I understand that the DVI Mode for this monitor is greyed out. right?
    Jonathan Barbeau says:correct
    Jonathan Barbeau says:yes
    Jonathan Barbeau says:I cannot select DVI Mode on the monitor
    Mary_GWER1660 says:Can you tell me exactly when this started and describe any changes you made around that time?
    Jonathan Barbeau says:Yes. It started Last Night
    Jonathan Barbeau says:I originally configured the monitor with a VGA Cable, then switched to a DVI-D Single Link Cable
    Mary_GWER1660 says:Is your computer using HDMI to connect to DVI?
    Jonathan Barbeau says:My Video card has multiple DVI-I Outputs
    Jonathan Barbeau says:and I am using the DVI-I Output to the DVI Input on the monitor currently
    Mary_GWER1660 says:Has this ever worked before?
    Jonathan Barbeau says:I've only had the monitor 2 days
    Jonathan Barbeau says:and this is the first time I used a DVI Input
    Mary_GWER1660 says:Okay. In connecting the display, use the link below for instructions.
    Mary_GWER1660 sent a link to Connecting the Display[]
    Jonathan Barbeau says:I was able to connect the monitor just fine
    Jonathan Barbeau says:and I recieve a display when using the DVI Cable
    Jonathan Barbeau says:I do not get DVI Mode when it is plugged in
    Jonathan Barbeau says:the DVI Mode is Disabled even when I have the DVI Cable Connected Properly
    Jonathan Barbeau says:I will follow these instructions again when I return home, can you answer a cable question for me?
    Mary_GWER1660 says:Sure, As long as it is for DVI cable, should work.
    Jonathan Barbeau says:The current input for the monitor is a 24-Pin DVI-D Dual Link and I am using a DVI-D Single Link Cable
    Jonathan Barbeau says:My Video Card Output supports DVI-I (which is Analog and Digital, the best of both world)
    Jonathan Barbeau says:Does this have an effect on being able to use DVI Mode on the monitor?
    Mary_GWER1660 says:The
    compatible DVI cable should be digital. Check out this link to see the
    type of cable you need:
    Jonathan Barbeau says:I am currently using that cable type
    Jonathan Barbeau says:And I have noticed that it is only the Single Link DVI-D Cable, not the DVI-D Dual Link
    Mary_GWER1660 says:Okay, if you are using this cable type, it should work.
    Jonathan Barbeau says:Monitor Input: 24-Pin DVI-D Dual Link Cable
    Jonathan Barbeau says:Cable Shown: 18-Pin DVI-D Single Link Cable
    Jonathan Barbeau says:does that matter?
    Mary_GWER1660 says:It should be dual
    Jonathan Barbeau says:and would that have an effect on being able to use DVI Mode on the monitor?
    Mary_GWER1660 says:Yes. It may not be recognized properly
    Jonathan Barbeau says:Ok
    Mary_GWER1660 says:I hope the information has adequately addressed your concerns. Is there anything that I can be of help to you?
    Jonathan Barbeau says:I
    will switch the cable to a more efficient cable, the DVI-D Dual Link
    instead of the DVI-D Single Link Cable to ensure proper function. I
    just wanted to clarify.
    Jonathan Barbeau says:You have answered my questions and concerns for the time being.


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  • 75 Answers

Try to Lower the resolutionof your monitor.

Posted on Mar 06, 2008

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1 Answer

How to switch from analog to digital mode

Any contemporary monitor is able to switch analog/digital mode automatically if connection from signal source to monitor is set up properly.

Connect digital output from your graphic card to DVI input of the monitor. Disconnect any other signal cables from monitor and switch on both devices (PC & monitor). Wait a while. Monitor checks its inputs and a activates digital DVI, because it is only one active input on it.

If none picture excluding error message of monitor is displayed, go through these steps:
1) Check whether your monitor is set for automatic input selection. If monitor buttons have no response try to use analog input to activate screen (any picture, desktop background...) and then get monitor menu access by pressing menu button.

2) Find out what connector type has your graphics card in PC. Possibilities are: DVI, HDMI, DisplayPort and some their options. See Wikipedia for connector look if you are not sure.
Remember that blue D-SUB (VGA) connectors are analogue and you cannot activate digital mode through analog VGA cable.

3) Use appropriate cable to connect monitor to PC.
Example: Your PC has HDMI output. Use HDMi-to-DVI cable. Your monitor input is DVI and common DVI-DVI cable is not suitable in case you have PC with the HDMI.
Note that DVI-to-DVI, DisplayPort-to-DVI etc. cables are available. You must buy right one.

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On the side panel of your monitor, press the top button to access the menu, scroll down to the setup menu (by pressing the 3rd button down on the panel), press the 4th button down to enter the setup menu, scroll down to "Auto Source", use the 4th button to select, "Auto" & "Manual" are your choices.. press the 2nd button down to select "Manual" then the top button to exit the menu(s).

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