The problem is with the backligh cathode on your monitor, you need a new cathode replacement.
For whatever reason you have lost your blue gun. it could be a matter of an adjustment or a defective component in the blue video driver. take it to have it serviced.
SOURCE: Monitor is vertical display instead of horizontal display
Hi...there! Kazz,
Go to your toolbars bottom R/H corner and look for the VGA settings icon ( nVidia or ATI). Right click on that...and look for rotation settings, from there just followed the settings... Have nice day!
SOURCE: ViewSonic 19" flat screen monitor goes black - intermittently
Hi,
There could be a problem with your display card settings or the display card itself. If you are using Windows operating system, make sure that you have the monitor driver installed for that specific monitor. This is to ensure that Windows only allows settings for which your particular monitor was designed.
Let me know if I can assist you any further regarding this.
Best wishes,
Graemevm
SOURCE: Viewsonic VA912b. Monitor will only turn on for a
Bad caps in the power supply, common problems. See examples here: http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20V912B/
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I have a Philips 202p (22"monitor - 20" viewable) that I have experienced the same problem with. I simply turn the monitor off and restart, and the problem goes away, sometimes for weeks? Don't really know why though.
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