Question about HP L1902 19" LCD Monitor

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Blank Screen I have an HP L1902 LCD monitor that has a continuous green light on the power button but nothing displays on the screen. I press the menu but and still nothing displays. I moved it to a laptop and changed the screen to display on the monitor and still nothing. I have swapped out the video cable and still no change. I think that it is internal to the monitor because I should be able to bring up a menu on the screen. When the monitor is disconnected the light on the power button does not turn amber. It stays a constant green.

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  • Rick Moger May 30, 2007

    I shined a flashlight at the monitor and I am able to see some characters. I took it apart and found a converter board with a part number e168066 but not sure if this is what you are refering to.

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  • Master
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Can you see anything at on but dimly? If so thats is the backlight tube If you cannot see anything then it is a major fault eitherway a repair shop job I should think

Posted on May 30, 2007

  • john ash
    john ash May 31, 2007

    Are the characters from the computer?
    It could indeed be the inverter or the tube.
    or even a connector loose- onto the screen board
    did you check the connector situation.
    However if it is a parts situation, I cannot advise you from here in the UK where you may be able to obtain any.

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White screen on hp w2007 LCD monitor.


Troubleshoot an HP LCD Monitor
HP makes a number of liquid crystal display, or LCD, monitors.
LCD monitors create an image by passing light through a liquid crystal solution that either blocks the light or allows it to pass through to a color filter.
LCD monitors are ideal for use with a computer as they present an excellent still image and cannot suffer pixel burn-in like other flat-screen display technologies.
Even quality monitors run into the occasional problem and need some basic troubleshooting before sending them in for service.
Check the power cord to make sure that it is plugged in securely to both the monitor and the outlet. If you are using a surge protector, remove it and plug the power cord directly into an outlet that you know is working.
Detach and reattach both ends of the cable running from your computer to your monitor.
If your HP LCD monitor has more than one connector, use the other one to make sure that the connector isn't the issue.
Remove any switch or extension cable that may be present between the computer and the monitor.


Restart your computer. A fresh start will correct many software issues.


Check the documentation of your video card to make sure that it supports HDCP, or High Bandwidth Digital Content Protection, since the screen may be blank when you are trying to watch high-definition content through a video card that doesn't support it.
Some older HP LCD monitors also do not support HDCP, so check your monitor documentation as well.


Go to your video card manufacturer's website and install the latest drivers for your video card. Instructions for installing the drivers will vary by manufacturer, but they should be listed with the driver software.


Change your resolution to a preset video mode to make sure that you aren't trying to operate the monitor in an unsupported resolution.
Different models of HP LCD monitors support different preset video modes.
All of the preset video modes for your monitor are listed in your monitor's manual.
Resolutions of 1024 x 768 and lower are supported by almost all HP LCD monitors.


Press the "Auto/Select" button on the front of the HP LCD monitor to correct any images that are dark or blurry.
If this does not correct the image, press the "Menu" button on the front of the monitor to bring up the on-screen display menu, where you can use the "+" and "-" buttons to scroll through the options and "Enter" to select the option that you want to change.
Adjust the brightness and contrast as needed by selecting them and using the "+" and "-" keys. Press the "Menu" button to exit the menu.


Press the "Menu" button to enter the menu, scroll to "Image Control" and press "Enter."
From here you can choose the "Auto-Adjustment" option and the HP LCD monitor will automatically adjust the horizontal and vertical positioning to center the screen.
The ability to adjust these settings is available only if you are using VGA inputs.


Contact your retailer or manufacturer for any additional troubleshooting steps for your particular model of HP LCD monitor.
If your monitor still has issues, you may need to send it in to be serviced.
HP Support

http://welcome.hp.com/country/us/en/support.html

Fix a White Screen on an LCD Monitor
When an LCD screen has turned completely white, there are three normal causes: the screen is defective, the video cable is not connected correctly, or the graphics card on the motherboard of the computer is faulty.

You will need to troubleshoot these possibilities to determine which problem you have.
If you are not experienced in working on computer equipment, you should not attempt to disassemble your LCD screen because you could easily damage it.
Seek professional assistance unless you have experience working on computer hardware.

Disconnect the white LCD screen from the computer by unscrewing the blue monitor cable. Connect the working LCD screen to your computer by attaching its blue monitor cable to the same slot.
If your computer display does not show on the functioning LCD screen, try rebooting your computer.
If it still does not display, the problem is with your computer's graphic card on the motherboard. Seek professional repair assistance.
If your computer display shows normally on the working LCD screen, proceed to Step 2.
Unplug the LCD monitor with the white screen.
Disassemble the rear panel of the monitor with the small screwdriver.
Carefully separate the screws into piles so that you can keep track of how to reassemble the monitor.

Locate the internal video cable, a gray cable with a plug on the end that connects to the main components of the screen.
See the References section for photos of the video cable for assistance.
http://www.laptoprepair101.com/laptop/2008/04/13/laptop-lcd-screen-turned-white/
Unplug the cable, checking for any debris or blockage.
Reconnect the cable firmly.
Reassemble the LCD screen. Plug it in and connect it to your computer.
If the screen is still white, you have a defective LCD screen.
You will need to replace it or take it to a professional repair service for assistance.




Without this test you'll have to guess because as I mentioned before this could either bad motherboard or bad LCD screen.
You'll have to disconnect the video cable from the LCD screen (connector 2) and the inverter board (connectors 3 and 1).
After that you connect another working screen and test video.
For this purpose I'm using one of my test LCD screens.
My test screen is cracked and because of that you see a wide white band in the center but it still works fine for this test.
The original screen is white but my test screen works normal (except the crack of course) and I can see the image.

After this test I can tell that the problem must be related to the screen.
After I assembled everything back together and connected the original LCD, it's still white.
CONCLUSION. In my case this problem is related to the LCD screen and it has to be replaced.

Aug 04, 2013 | HP W2007 20.1 Widescreen Monitor

1 Answer

Monitor is changing color when power on:- red, green, yellow, violet, white, blue etc......repeating continuously ...... more tha ten times switch off monitor but the problem remain the same... VGA...


1706,
the monitor is bad if OSD , menu shows bad colors
try the reset in the OSD menus,,
google, HP L1706 manual, read it.?

some newer hp monitors even have test pattern in the OSD pages. (on screen display) try that.

Oct 04, 2017 | HP L1706 17" LCD Monitor

1 Answer

Image is off center bottom is cut off so I cannot see commands


This page is for ACER products. Select the DISPLAY, the choose the correct model for your monitor. There select Guides and Manuals. When you get the PDF file open, look for ADJUSTING DISPLAY SETTINGS. (page 6)

This is what was one one product's manual. This is similar to what my HP monitor uses. Hope this helps.

User Controls
A brief description and the location of all LCD Monitor function controls and indicators:
Figure 2-1
1
Stereo Speakers
PC Audio Stereo output.
2
Speaker Volume Control
Increase Volume - Turn the knob clock wise.
Decrease Volume - Turn the knob counter clock wise.
3
DC Power Switch
Press the power switch to switch the monitor ON/OFF.
4
DC Power-On Indicator
LED lights Green color --- Power is ON.
LED lights Yellow --- Monitor is in "Power Saving Mode".
LED is off --- Power is OFF.
5
Function Select Buttons
Press either left or right control button for OSD (On Screen Display) menu selection.
6
Adjustment Control Buttons
Press the left button to decrease the OSD setting and press the right button to increase the OSD setting.
7
External Headphone Jack
The monitor speakers will be disabled when using an external headphone or external speakers.

Good luck

Feb 18, 2010 | Acer Computers & Internet

1 Answer

AcerAL1714 LCD Not Connecting With DELL Inspiron 15 Vista Laptop


There is a symbol of Two monitors on F3 Or F4 button

1. Press Fn key and hold it
2. by holding Fn key press F3 key

Your monitor will start displaying

Oct 05, 2009 | Acer AL1714 17" LCD Monitor

1 Answer

Screen Goes Blank


Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.

Jul 21, 2009 | Dell E173FP 17" LCD Monitor

1 Answer

My aopen f2925 monitor has a green tint.


The solution: hidden menu within the main menu itself. Hold the Menu button down while pressing Power to power on, and release power button only when the screen comes up, still holding the menu button. The menu will appear and there will now be a hidden selection, "Auto Color", printed in a red-on-black font at the bottom of the menu. Use the +/- buttons to access it, and press Menu. My green/yellow tint went away! Now my picture works great, and the setting lasts through Auto-Adjusts and Resets!

Apr 08, 2009 | AOpen F70PS 17" Flat Panel LCD Monitor

2 Answers

L1902 19" lcd monitor power problem?


no stays completely blank. yes it is my pcs monitor

Oct 06, 2008 | HP L1902 19" LCD Monitor

1 Answer

LCD monitor goes blank


It appears that the display resolution set in your display properties is out of the range that the LCD can display.

Try this.

Boot to the ENABLE VGA MODE by pressing F8 to get the Windows Boot Menu. If you can get to the desktop, then go to display properties, and see if you can change the resolution to higher settings and maintain video. (If the video blanks out, then it should revert to the previous setting in 15 seconds)

Aug 03, 2008 | Gateway FPD2275W LCD Monitor

2 Answers

Power button won't turn monitor off?


ok,your monitor is in  a very simple problem.clean the control panel circuit of your monitor,or if it is not working replace the tact switch in your monitor.

Oct 18, 2007 | Sharp LL173C 17" Flat Panel LCD Monitor

1 Answer

Blackout


Try lowering your brightness setting below 55.Its hard to see at just the right angle.The monitor has a failsafe installed for over voltage use of the bulbs for the screen. The lights go out but your screen is still there.

Aug 11, 2007 | HP L1902 19" LCD Monitor

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