When i switch on my system, monitor displays a blue screen or a white screen. If i keepon switch-on and switch-off my monitor it shows either a bright screen or complete dark screen and sometimes to the normal screen we could work on. Please help me with this problem.
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I'd start with toggling on the on screen set-up display. if that comes up and is legible, then you know that the screen is working.
What is your video set up to push to the V50? If it's not a supported resolution, the display may respond this way. try downgrading it something like VGA (640x480) and see if that works. (The max resolution shown in the manual is 1024 x 768, so don't go higher than that. It's also 24 bit color (8 bits each for R,G,B, so don't try to push 32 bit color to it)>
Set the output to your primary monitor to 1024 x 768, thousands of colors. Make sure the monitor sees it OK. Now you know the first monitor and cable are OK. Now switch the cable to the V50 monitor. Do you get a signal now? Then the display works. Try putting your primary display on the second cable. Does it pick up anything now? No. Maybe a bad cable.
You can try swapping the cable going to the V50 to go from your primary monitor output port on the computer to your primary monitor. if the primary monitor works OK, then the cable is good.
Depending on the computer system you're on, make sure that you at least have a generic monitor driver installed for the V50 output. Ideally, get the driver for the monitor You can get the driver here (
Disconnect it from computer and power. wait 15 minutes and plug only the power back in, press the power on button. The monitor may display a message that there is no signal or something like that. If that happens the problem is either the cable or the computer. If you get no message then look for the menu button and press it to see if any thing appears. If not find the manual on line and read it. Many times monitors get over-driven by computers to the point that they can't display OR they self destruct.
Another way is to just unplug everything computer and monitor for 15 minutes. Plug in monitor first then plug in computer and press the power button, the display should display the booting information if the cable is good and the monitor is good.
Sorry, but this sounds like a controller issue.
Are you able to open the monitor's menu?
If yes, try the monitor on another computer with other cables, if that doesn't help its a internal problem.
The only thing you could try yourself is opening it up and reseat all of the cables.
If that doesn't help, you should contact a professional or consider replacing the unit.
check if the line appears in BIOS...dont worry when i say BIOS...not sure how to check...turn the system off...restart the system and keep tapping the F2 key...you would get a Blue screen...check if the lines appear on this screen...if it appears...it could either be b'cause the display driver has gone wrong or the system might have a physical damage.....if the lines does not occur on this screen....it is a manufacturing defect...please contact the manufacturer and report the issue for solution....... regards Rocky
you need to have some one open the flat panel up and check the capacitors on the vga/ inverter card and see if they are domed shaped if so then you have blown capacitors and they are not a difficult fix but pricey as the electronics guys don't come cheap
in Monitor CRT Red-Blue-green cathode guns are there.. Mixing of these colour we can get the original colour chrominace technique. if any of the colour gun is faulty we would get more REad or blue or green picture. Measure RGB voltages. you can verfify which gun is faulty. if then check RGB processing circuits. Else there might be problem Chrominance colour decoder system. Contact service centre