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White screen display

Am using veiwsonic VA1703w monitor when am in work with pc,
some times suddenly my monitor screen becomes fully white and light turned in to orange it repeats even when off and on the monitor. 
it happens oftens.
it has no particular time to come some times at the time of start or some times in the middle.
pls solve my problem  thanks in advance

Posted by on

  • revi747 Sep 24, 2008

    hi, thanks for ur kind reply.I checkd the external power supply system as u said.Also i tried with voltage stabelizer but ddnt fix my problem.wot should i do, pls help me .........

    thanks again

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  • Master
  • 6,966 Answers

Hi,

Appreciate the direct "Ask Me".

Often, problems such as this is indicative of a failing capacitor in the 5V internal regulator section. Most capacitors uses a wet dielectric that dries out after some time due to heat buildup. In some instances, most of the capacitors would also fail ESR test. Additionally, you may want to check the external power supply if it is putting out the correct voltage as indicated in the reverse of the adapter box.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Sep 21, 2008

  • Louie  Role
    Louie Role Sep 25, 2008

    Further analysis of your description reveals that it is possible likewise that:


    • the backlights are working hence the "...screen becomes fully white...";

    • which also is indicative that the monitor is not receiving or processing the video signal;

    • the electronics were messed up.
    This of course would require a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings. Should you be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

    Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

    Good luck and kind regards. Thank you for using FixYa.




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Posted on Jan 02, 2017

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