HP PAVILLION ZE4900 MONITOR goes 'night vision' green
I have a ZE4900 series laptop. If I open my monitor fully it will give a green tint to everything on the screen. It is almost as if a green filter is placed over the entire screen. It will only go a way after a moving the screen back and forth, and it is getting worse. Sometimes if I let the laptop sit idle with the screen open the green will go away.
Does this sound like a monitor problem or a motherboard-monitor cable problem?
Re: HP PAVILLION ZE4900 MONITOR goes 'night vision' green
Try looking at this link http://answers.yahoo.com/question/index?qid=20080719201319AAgpfTo basically their saying it's a dying monitor, or magnet... once happened to me with my tv it became green b/c of magnet
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Your lcd screen is bad. It's either the lcd screen or the video card
inside the computer, but most likely the screen. You can isolate the
problem by connecting an external monitor to the computer. Borrow a
monitor from a neighbor, friend, relative or co-worker and connect it to
the computer. If the Borrowed monitor displays ok without the read and
green tint then your video card inside the computer is good but your
lcd screen is bad. If the Borrowed monitor displays the same red and
green tint then the video card inside the computer is bad.
It can be any kind of monitor even the old big fat
crt monitors as long as it has a vga cable to connect to your computer's vga
port. If so that proves your video card is ok. The video will show
on most systems when you reboot without you having to do anything. Some systems
will require you to hit the FN (Function key) + F1 thru F12. Hold down
the FN key then hit the correct key for displaying on the monitor (F1 thru
F12). The correct key will normally have CRT/LCD on it or it will have
the icon of a display.
This document is located on HP's web site concerning purple tint on certain web-cams. This document pertains to certain HP Notebook PCs with Windows 7. When using an HP ENVY 15 notebook PC webcam in low light conditions, images on the webcam may have a purple tint.The ENVY 15 Series webcams include night vision technology that is designed to operate in normal lighting conditions and optimized to operate in low and zero light conditions.The webcam night vision feature includes two Infrared (IR) lights located on each side of the webcam and behind the display panel bezel. Low to zero light conditions will cause the webcam IR lights to activate. The IR lights provide illumination for low and zero light conditions and help prevent fuzzy images that are typically associated with operating standard webcams in low and zero light conditions. Turn off the webcam IR lights. While some degree of purple tint may be present under low light conditions, turning off the webcam IR lights will reduce and in certain cases eliminate the purple tint.
Select Start > All Programs > HP > HP MediaSmart > HP MediaSmart Webcam .
In HP MediaSmart Webcam, select Settings > Display > Advanced Settings , and then click the Camera Control tab.
Select the Low Light Compensation check box, and then click Apply .
Click OK .
NOTE:Disabling the webcam IR lights will cause display images to appear darker in low and zero light conditions. The webcam IR lights are also available on other webcam programs. Refer to the software Help for additional information. This document will be updated if additional information becomes available.
1. Test using an external monitor. If it works, then either the screen bulb or the inverter board might be defective. 2. Test the inverter. Easiest way to do it if you have a good screen with a good bulb. Connect the good screen to the inverter board & test it. If it lights up, then the inverter board is good. If it did not, then the inverter board is bad & needs to be replaced. 3. If the inverter board is good, then we are left with the possibility that the screen bulb is bad. To fix this, we will need to replace the LCD screen.
This question requires a techincal person to first, attach an external monitor to the laptop to see if there is video going to the external monitor? Then while the external monitor is hooked up he should run full diagnostics to see if the motherboard video adapter is fully functional? If it is? He has to open the laptop and trace to see if the plug from the motherboard to the monitor needs to be reseated. The worst case scenario is you will have to replace the motherboard.
Just attach an external monitor to it and observe for several minutes while working on it. If the problem disappears, then it's time to check the screen signal cable and/or the screen itself. Only a qualified technician can handle the later except you are one. Good luck