Since update download monitor shows "No Signal" and "Monitor Going to Sleep" over and over

I have an HP w2072a Monitor and a Pavillion p7-1436s computer.  I run Windows 8.  Since downloading an update yesterday, I cannot get my monitor to work.  I have unplugged it, plugged it in, tried another monitor, tried another cable, turned the computer off and on several times, played with the sleep button, tried all the buttons on the monitor--nothing works.  If I hit the "On" button, the light turns to blue briefly, I get the screen showing "No signal" then "Monitor Going to Sleep" comes up and the light turns amber---over and over again.  Could this be related to the update I received?  I think the update said it was setting a restore point, but with no monitor, I am stuck!  

Hi dianthus,
Sorry to hear about the issue after doing the update. Do you recall what the update was for? I have included a document regarding your issue.
Computer Starts but Monitor Remains Blank Windows 8:
http://h10025.www1.hp.com/ewfrf/wc/document?docnam​e=c03518095&tmp_task=solveCategory&cc=us&dlc=en&la​...
Give those step a try and let me know how it goes.
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

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