Question about ViewSonic VX2025wm 20.1" LCD Monitor

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DVI input on monitor not working

Hi, I recently unplugged my monitor from my main machine (using the DVI) to use on another computer (using VGA). When I returned the monitor to my main computer and connected it using the DVI cable, the monitor was not receiving any signal. Now I can only get the monitor to work with the VGA cables. I have tried several DVI cables and they all do not work (even though they work with other monitors). Everything works fine with VGA cables on multiple computers and not at all with DVI cables on multiple computers. I figure that I must have messed something up with the DVI input on the monitor when I was plugging in the cables or something. Anyway, I was wondering if this is a fixable problem. Thanks!

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  • thibaut Nov 04, 2007

    Have exactly the same problem. Still trying to solve it :(

  • Anonymous Nov 11, 2007

    Hi, I recently unplugged my monitor from my main machine (using the DVI) to use on another computer (using VGA). When I returned the monitor to my main computer and connected it using the DVI cable, the monitor was not receiving any signal. Now I can only get the monitor to work with the VGA cables. I have tried several DVI cables and they all do not work (even though they work with other monitors). Everything works fine with VGA cables on multiple computers and not at all with DVI cables on multiple computers. I figure that I must have messed something up with the DVI input on the monitor when I was plugging in the cables or something. Anyway, I was wondering if this is a fixable problem.

    Thanks!

  • skidac Nov 23, 2007

    I have also exactly the same problem, I unplugged it once from DVI and plugged VGA in, and when I plugged DVI back it wasn't working in windows, but it gives the picture during POST and boot screen but after that finishes, only VGA works. My monitor is Samsung SyncMaster 731BF, and I have the latest ATI drivers.

  • nikodell Jan 08, 2008

    Same problem but your fix will not work on mine anyone know of a hardware fix? No warranty here.

  • Ajemy  Rashid
    Ajemy Rashid May 11, 2010

    I need to know , does the setting First monitor (1) and Second (2) monitor or ext has been done ? If the setting is not been done yet... of course the screen would turn up to be the same.



    Have a try.

    TIA

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Contacted viewsonic about this issue- they suggested- have both dvi and vga hooked up to same machine. start with poweroff on both. power on monitor, then power on computer. when you see display coming from the vga, power off pc, then disconnect vga cable, turn off power to monitor, disconnect power cord from monitor for 5 + seconds, reconnect power cord, power on monitor, then power on pc.
If this doesn't work to get the dvi working, (as happened to us) we returned our monitor for a replacement, since it was still under warranty.

Posted on Nov 26, 2007

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Try to reinstall the display card driver . Reboot your system.

Posted on Apr 19, 2008

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Buy a DVI to VGA connector or cable.

Posted on Dec 02, 2009

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1 Answer

What is the best way to connect 2 computers to this monitor


If you have two separate computers for different purposes, such as personal and work use, you may find it convenient and necessary to connect both to a single monitor. Many monitors have dual inputs, making such a connection simple. However, you might need a keyboard, video and monitor switch to accomplish this task if the monitor lacks a second input. Dual Inputs
Step 1 Examine the back of your monitor for the presence of dual video inputs, such as a single VGA and DVI or HDMI output.
Step 2 Connect the VGA cable to one computer. Plug the other end of the cable to the matching input on the monitor. Rotate the retaining screws until tight at both ends of the cable.
Step 3 Plug the DVI or HDMI cable into the back of the second computer. Insert the other end into the monitor's digital video input. Screw down the retaining screws if you're using DVI.
Using a KVM Switch
Step 1 Ensure both computers are turned off. Place the KVM switch on your desk where it is within convenient reach.
Step 2 Locate the video output port on the back of the KVM switch. Plug a VGA cable into this port. Plug the other end of the VGA cable into the monitor.
Step 3 Plug the VGA monitor outputs from each computer into the inputs on the back of the KVM switch. Tighten the retaining screws down for each connected VGA cable on the computers and the KVM switch.
Step 4 Plug the keyboard and mouse cables into their respective outputs on the KVM switch. Plug each set of keyboard and mouse cables from their ports on each computer into the matching inputs on the KVM switch. Plug each cable in sequentially to avoid mixing them up between machines.
Step 5 Double-check that the mouse, keyboard and monitor cables leading from each computer all correspond to the right machine. Plug the KVM switch's power cord into a nearby AC outlet or power strip.
Step 6 Turn the computers and monitor on to verify the connections are correct.

Required Items

  • VGA cable
  • DVI or HDMI cable
  • KVM switch
  • Power strip (optional)

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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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Connectivity card from montior to CPU is different than other PCs, in back side of the monitor its showing to type VGA and other one DVi connector, In my CPU i dont have the slot for the DVi connector,...


DVI ==> Digital Video Input
If your monitor has both DVI and VGA inputs,
and your PC's video-card has both DVI and VGA outputs,
then buy a DVI-to-DVI cable, and use it, for a better picture.
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and your PC's video-card only has VGA output,
then use a VGA-to-VGA cable.
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TODAY AFTER ONE YEAR WORKING PERFECTLY,MY E-MACHINE GATEWAY MONITOR,SHOWED :OUT OF FREQUENCY RANGE AND TURNS BLACK,AND COMPUTER HANGED FOR A WHILE,TILL I UNPLUGGED FROM POWER CORD AND REBOOT IT. WHAT WAS...


If the computer hangs for a while and reoots and then works the monitor, it tells me that the signal to the monitor went dead until rebooting. It is as if you unplugged the monitor from the vga or dvi card, or it was getting an incorrect signal from the vga or dvi card. It may not be the monitor, so much as it is the computer doing this to the good monitor.
One can test to see if the monitor is bad by using it on another computer tower or desktop to see if it does it there. Good luck on this diagnosis.

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Samsung syncmaster 2033sw monitor, till now i was using a vga cable for the display, but recently i bought a dvi cable and connected it. but its not detecting the display of dvi cable. if i remove the vga...


LCD Monitors having multiple inputs have option and option to select and switch between the displays from analog (VGA) or Digital (DVI) inputs. Go to the LCD menu and select input source (DVI)

Hope this helps!

CreativeTECH

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I am trying to run pip with x box in the pip and regular comp on main screen but it dosent work the xbox is hi def cables


What inputs are you actually using? If you use VGA as the main display, the PIP feature will work with DVI, 480i (SD) Component Video, S-Video, or Composite video. If you use DVI for the computer's input to the TV, the Component video PIP doesn't have the 480i limit.

Thus if you have VGA from the computer, Hi-def from the X-box isn't going to work. Note: The component video can not be the main screen with VGA input in PIP.

I hope this helps.

Cindy Wells

Apr 24, 2010 | Gateway FPD2185W 21 in. LCD Television

1 Answer

My viewsonic mo9nitor says analog not digital on


To clarify, you know that analog is referring to the VGA 15 pin video input, and digital is referring to the DVI video input, right? You can't have the digital video unless you use the DVI input, which requires a DVI output from your computer (and a DVI cord of course).
If you already knew this and you mean that it won't switch over to your DVI, then there could be several problems. Most of them being with your DVI signal source (computer). Try booting the PC with ONLY the DVI cord attached between the PC and the monitor. If you have a VGA cord plugged into either, UNPLUG IT FROM BOTH ENDS.

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How to use my HDTV for a monitor for my computer


Hi,

What video output connection type do you have on your PC.....DVI, VGA, S-VIDEO, HDMI?

What video inputs connection types do you have on your HDTV.....DVI, VGA, S-VIDEO, HDMI?

The cable you need will be whatever connection you have....ie: DVI----->HDMI or VGA----->VGA or DVI to DVI.

You will also need an audio cable, 2 Phono RCA Red/White (Left and right) -------------> audio output jack plug or Optical in------->Optical out


Thanks

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Dvi to vga


You will not benefit from the DVI input unless you have DVI output on your computer. The great advantage of DVI is that the picture is transferred in digital form all the way from your computer to the individual pixels on the monitor. If you only have VGA output on your computer then you will never get a better picture than by using a good quality VGA cable to link that to the VGA input on your monitor.

The DVI plug is designed to carry both digital and analogue (VGA) signals on the various pins, so "adaptors" exist to allow a VGA monitor to attach to a DVI output on a computer. Monitors may also support VGA input from their corresponding DVI input sockets, but the picture quality will never be better than by using a good VGA cable because it is still not using the digital capability of the DVI interface. What's more, because you may need more adaptors and thinner conductors in the cable, you will probably achieve a marginally poorer picture than with VGA to VGA.

When you next buy a PC or a new video card, get one with DVI to take advantage of your new monitor. In the meantime, your best bet is a quality VGA to VGA link.

Sorry that's not what you were wanting to hear, but I hope it will help you avoid further frustration.

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