Question about Princeton Digital Computers & Internet
Turn on monitor and it goes black off after 3 seconds...it makes a hiss, then a click when the screen goes blank.
SOURCE: Monitor going black
My HP f1703 is almost 3 years old and started having this same problem. My fix got the display to stay on. Don't know how long this fix will work. I set the monitor brightness to 51 and contrast to 41. You may have to adjust to your levels to your appropriate enviroment. Levels may determine how long the monitor stay operational. Do NOT set your monitor brightness to factory levels it will just start to recreate the problem again. Solution: The monitor should be on with the blue button lighted. If the screen is acting up (you turn it on and the display lights up and then it turns off within 2 to 5 seconds) Try decreasing the brightness level down as much as possible. Wait 15 to 30 seconds and see if the display comes back to life. If not, turn the monitor off and on again and try the procedure again, if necessary. Cause: I believe the monitor brightness level, set at 100 by the factory setting, is over driving the display and causing the protection circuit to cut off the flouresent lamps that light the display. HP had an issue with this display, and had a notice to replace them if the problem occurred during the warranty period. They extended the warranty period from Jun 04 to Feb 06. Check with HP Technical Support to determine if your monitor is cover.
Posted on Oct 17, 2006
SOURCE: RE:monitor goes black
Monitor going black after a few seconds can be causd by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
Posted on Oct 05, 2008
This is probably a back light problem. Take a bright flashlight and while the monitor is on, point it at the LCD and try different angles, etc. If you can see an image, it is the back light, probably the back light voltage converter unit in the lcd. It could also be the back light bulbs.
If you don't see an image with the flash light, then it could be the main logic board.
Posted on Mar 26, 2009
More often then not, this is attributed to a failing Backlight Inverter. A Backlight Inverter, is a power board mounted below the screen that actually send power to the Lamp inside the LCD itself. Check to see, when it goes out if there isn't still some images faint in the screen. If this is the case take it to a local repair shop and have them order one and replace it. repair cost for this shuold be around 65-100 dollars.
If this helps, please rate my solution. Have a great day.
Posted on May 16, 2009
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