Question about HP L1906 19" LCD Monitor

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Hp 1902 lcd monitor is black screen power light blinking

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

bammbammfran
  • 159 Answers

SOURCE: Power Light Blinking & Black Screen

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.
Fran

Posted on Oct 18, 2008

  • 644 Answers

SOURCE: do lcd monitors over heat and shut off screen

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"

  • 88 Answers

SOURCE: Hp l1906 LCD MONITOR SCREEN WONT DISPLAY. power

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

  • 12 Answers

SOURCE: Monitor power light blinks, then goes out. PC screen goes black.

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

issken
  • 1472 Answers

SOURCE: 1902 MONITOR NO PICTURE BLINKING

onecatinahat

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.

http://www.fixya.com/support/r4290666-install_monitor_drivers_in_windows_7

Let me know if you have any more problems or questions

Issken
http://www.fixya.com/users/issken

Posted on Oct 26, 2010

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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.
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