Question about ViewSonic VX2255 Monitor

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DVI connection fault

I have a viewsonic vw 2255wmb, and its been working fine. I have it connected to my pc (asusen8800gt graphics card) via a DVI connection. The monitor sits in standby mode and when i turn on the PC up it comes (little blue light turns red and I get a picture). However when I turned it on yesterday the pc powered up but the monitor did not, displaying the message"no digital input" or words to that effect. Idid the usual turn it of check the cables etc but no joy. I then got an old lcd monitor and plugged that into the PC via the same socket but using a DVI-Dsub adapter and an old Dsub cable and it worked fine. i then then disconnected and plugged in the viewsonic in the same way, using its optional d-sub input on the viewsonic and it worked fine also, but obviously not in "digital" mode so the screen is noticably less crisp. I'm going to buy a new cable this afternoon as it's the cheapest place to start failing that i'm lost

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  • Anonymous Sep 13, 2008

    excactly the same problem, only it started after 2 months of use !

  • Badger499 Oct 25, 2008

    Exactly the same problem. When the computer pwers up the blue light comes on longer enough to see a message about no digital input. then the scree returns to standby mode with not picture. I have tried removing driver and reinstalling but no success. Another monitor works fine with the same power cable and digital visdeo cable. Any ideas? Thanks.

  • Anonymous Nov 06, 2008

    same damn thing this morning.


2 Answers

Same problem this morning. wondering if the money i spent was well or not.
not happy.

Posted on Nov 06, 2008

I had the same problem, you must call Viewsonic to change your screen. The DVI input on the screen is dead.

Posted on Aug 03, 2008

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No signal ???????

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Try to connect to another computer if you have any or laptop if it fine then you have problems with the graphics card if you still face the issue then try to change the interface cable DVI or HDMI which ever you are using .
Also if you see it the computer which is the one has problem try uninstalling the graphics driver and reinstall it with the latest release of the driver.
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First thing I would try will beusing this monitor with another PC using the same the same setup to see if it works OK. We need to narrow down the cause of the problem first since you have three parts that can be bad; Monitor, DVI cable, PC Video card/PC. It is just a process of elimination to locate the problem.

Basic LCD monitor and TV troubleshooting guide:
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Learn about bad caps:

Capacitors kit: he can make you a set of caps for you.

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You will need to install the latest driver as well as just inserting the card. Then you need to setup the desktop resolution. If this has been all done correctly, then this indicate the monitor has developed a problem. The ON:Y way to test a monitor is by trying it on another PC, and Vice-Versa, try another monitor on the suspect PC. That will soon sort out, what exactly is faulty.

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There are two ways to do this.

First and simplest is to simply shutdown the pc, disconnect the analog from the back of your PC and connect the DVI cable to the PC and monitor. When you turn it back on the PC will detect and switch to the DVI.

Second, and better to compare. Connect both sets of cables and go into your display settings, then select advanced options. You should see a GeForce tab in the advanced menu. On that tab there is a multi monitor display setup. Set it to mirror to both screens and apply.

Once it's set switching inputs on the monitor SHOULD work. The problem that makes it a "should" is that both the monitor and the video card have the ablility to sense a connection. So, even with mirroring setup you may have to use the first method as you can't have both connected and operational at the same time.

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