Question about HP L1906 19" LCD Monitor
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Posted on Jan 02, 2017
A blinking blue light indiactes that your power-inverter board is not
putting out what it should. It needs an overhaul which may be a simple
as changing out the capacitors on the boards.
It could go beyong that to transistors or even a bad bulb.
It will have to be opened up to do that.
A picture may show visual signs of damage. If you can take one and email it to me , I'll take a look.
Posted on Oct 18, 2008
It is possible that your the lcd inverter board is failing or possibly the back light, i suggest taking the back cover off the monitor and checking the power board for leaking or slightly buldged capacitors, to spot this youll have a dark liquid traces on the cap or on the board, the top of the cap must be flat not bulged, if there are any they'll need to be replaced, you can get them from electronic stores like Maplins, and if you are able to use a soldering iron desolder the the ones of the board and solder the new ones on. Make sure you get the exact farad rating of the caps, it dosent matter to much about voltage as long as it is equal or above the voltage stated on the cap. Also insure that they are replaced the correct way around, check this before desoldering from board.
Posted on Jan 24, 2010
Testimonial: "JIM,i removed board and there was a bad cap. replaced it and i am in business. money is so tight, i would have done w/o. thank you, rick"
It is possible that the video card in cpu is bad, try hooking up another monitor to the cpu (computer) if you have one that will let you know if it is the monitor or the computer video card, Could be as simple as the driver is missing.
Posted on Feb 01, 2010
Unplugging the power cord repeatedly is not a good idea! I hope this helps: 1- After you get a picture, go to "Device manager" (Click on Start-Programs-settings-device manager) and make sure that there is not question or an exclamation mark next to Monitors. If that is the case you might need to reinstall the driver! 2- Make sure that your video card is not faulty by hooking up a different monitor and see if it is working ok. If you still have the same problem, then you need to replace the video card. 3- Check all cables and power cords and make sure that there's good connectivity on all ends (before powering up the machine) and that there are no nicks or cuts. If possible try replacing the monitor's data cable as well. Good luck
Posted on Apr 24, 2010
SOURCE: 1902 MONITOR NO PICTURE BLINKING
If you are having trouble with your monitor it can be several things that can be causing the problem. The common problem is something happens to the drivers on the video card and this causes it to send a signal to the monitor that is out of rage for the monitor. So you see a blank screen. Normally when the power light is flashing this is what the problem is. The question I have for you is what color the flashing light is.
I would also try connecting the monitor to another computer because if it work we know the problem is with your video card and/or drivers.
If it is your computer what you will need to do is try to connect a CRT monitor to the computer because they are not as picky with the signal as LCD monitors are. If you get display then you will want to reinstall the drivers for your video card.
Note in some cases you have to reinstall the monitor drivers. The link below will show you how to do this in Windows 7.
Let me know if you have any more problems or questions
Posted on Oct 26, 2010
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