Question about Princeton Digital VL1918 Monitor

1 Answer

My Princeton VL1918 monitor has started to power off and on again. This happens when I first boot up my computer and monitor. It powers off and on for several minutes and stops shortly after I open my Outlook or when I open my browser and have my home page open. It will also power off and on again for a few minutes after I've turned off the monitor when I'm going to be away from my computer for say 1 hour but don't want to turn off the computer too but when I've come back and turn the power back on to the monitor ... it will do the power off and on. The power is off and the screen is blank for about 2 seconds and then the power comes back on ...then off then on again etc.

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  • stilldon Sep 09, 2010

    I've had the monitor for probably a couple of years and last week is the first time it started doing this.



    I can't think of any change to my computer system that is associated with this.



    If it were just incompatible with the video card, why would it just stop doing the brief power off and then back on after a few mintues or when I've opened a web page or my Outlook. And why now all of a sudden ?



    By the way all the while I've been posting the question and reading your response ... no problem with the on again off again monitor.

  • stilldon Sep 11, 2010

    I could not test it with a different monitor or video card. I bought a new monitor and that new one did not have the power off and power on problem at start up. So, I guess my "old" monitor was about to fail. It was only about 2 years old. Whatever. Thanks.

  • stilldon Sep 12, 2010

    Yes the person' suggestions were helpful!!

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This is an incompatibility with the video card, or a settings problem. Did it used to work just fine and one day it stopped? DO you know what changed when it stopped working?

Thanks
Tim

Posted on Sep 09, 2010

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  • Tim Grayson
    Tim Grayson Sep 09, 2010

    I have to run to another location, but wanted to comment real quick, and then will add more in about 20 minutes here. You are right on the incompatibility part, it's definitely not that, it could be that something bigger is going on. Sit tight and I will reply with more.

    Thanks
    Tim

  • Tim Grayson
    Tim Grayson Sep 09, 2010

    Ok, sorry about the delay. There are three possibilities going on here:




    1) The video card settings have somehow been tweaked (possibly by some software or something else), try going in and setting the resolution to something lower (not sure what version of Windows you have, but google "Windows (insert your version here, XP for example) change resolution" and follow the steps to adjust it down, it should be just a slider bar that you can move down and click OK. Try using that for a while and see if it still flickers, if it doesn't, then you know something is screwy with the resolution it was set at before.


    2) The monitor or video card is actually starting to go bad / fail. Try hooking another monitor up to your computer if you have one you can test with, maybe a friends that you can use for a few hours to test. And if it doesn't do it with that monitor, you know it is your monitor going bad. If it STILL does it with that monitor, it is your video card having the problem.


    3) The monitor cable itself is having a problem or is going bad. This is EXTREMELY rare, but possible. Make sure all your connections on the back of the monitor are tight, and on the back of the computer as well. I am not sure if this monitor has a replaceable cable or not, but you can try a new cable. I seriously doubt it will come to this though. Try the first two things and it should take care of it!

    Tim

  • Tim Grayson
    Tim Grayson Sep 12, 2010

    No problem, sorry to hear about that though! Electronics are very finicky like that, I've seen monitors last 15 years and others that have literally died the day after they were taken out of the box.


    One side note is that if you purchased this monitor with a major credit card it may be covered under the credit card's extended electronics warranty. Many major credit cards do this, definitely American Express does for example. They will cover any electronic item you purchased with the card for up to 5 years regardless of manufacturer warranty, and will just refund you for the bad monitor. Definitely something to check into if you think you may have. Keep in mind it needs to be a credit card not a debit card however. To find out, just call the customer support number on the back of your credit card and see if they offer an automatic extended warranty service.


    Hope this is helpful!

    Also, when you come back to the site here please make sure you indicate that I answered the question successfully / was helpful (I believe it's the 4 thumbs up rating, something like that, it should be apparent on the site here) or I don't get any credit for the help provided.


    Thanks
    Tim

  • sil2222 Dec 03, 2010

    IF MONITOR IS POWERING OFF AND ON. YOU HAVE TO REPLACE BAD CAPACITORS THEY WILL BE BULGING. I FIXED MANY OF THESE BY REPLACING BAD CAPACITORS.

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I Just checked the specs on both the card and the monitor. It should work no problem. If for some reason you notice some lag or flicker in the monitor, go to this page and download the updated ForceWare graphics drivers.
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SOURCE: I have a Princeton VL1918 LCD monitor. Need help

Hello,

You have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of he monitor. If you are good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts, replace any that look like the pictues and your monitor should work fine. The capacitors do need to be installed with the correct + and - connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping. If you don't see any bad capacitors then the next thing would be bad CFL (backlight tubes) in the screen itself. If it is that then the monitor needs to be replaced because of the tech skills needed to replace then. I hope this helps, if so please rate my solution.

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Posted on Jun 29, 2009

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SOURCE: same problem

Check the Inverter card Connector which goes to pannel,Next Panel to AD card signal Cabble,..

Posted on Jul 10, 2009

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SOURCE: princeton vl1918 flashes on than off

See previous solution for Princton Monitor cycling on and off.
Solution: Change out 3 capacitors.

Posted on Aug 19, 2009

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SOURCE: My Princeton monitor VL1918 keeps blinking on and

eben161, you might try replacing some "electrolytic filter capacitors" on the "switch-mode-power-supply" printed circuit board. Try to obtain new ones that have temp rating of 105 deg centegrade. remember to replace them + to + and - to - !!! don't screw it up!!! here are some of the values you will need to purchase. 470micro farad (uf) and 2200uf and all should have a voltage rating no lower than 35vdc please report back with the name of the manufacturer you find on the original "failed" ones you remove from the unit. even if they don't look bad (swollen, leaky) replace them all with new one's. If you won't do the work you can also check to see if Princeton can swap you a refurbished unit for your old+cash. But first you should read all the posts that have been written on this model lcd monitor and how they were fixed! I'm 12fixlouie If this response was helpful to you, please rate it on fixya. Bye for now.

Posted on Nov 09, 2009

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1 Answer

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Your PC is putting too high resolution for he VL1918 to display.
You need to set your PC video out put to the native resolution of the VL1918, which is 1280x1024 @60Hz.
You will have to hook up your old monitor (crt type?) and set the new resolution.
Or boot up in safe mode (hit f8 during boot up), and set the resolution to 640 x 480, reboot into regular mode, then rest the resolution to 1280x1024 260Hz.
Also watch out for bad caps in this monitor: http://s807.photobucket.com/albums/yy352/budm/Princeton%20VL1918W/

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