Question about ViewSonic VP140 Monitor

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ViewPanel VP140 has a power supply issue, screen shows color but the red and green is off. Adjusting through menu settings and graphics card is non effective, brightness is also affected. Is there a way to replace the power adapter?

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This sounds less like a power supply problem than a failure of the RGB processing. The symptom you describe really doesn't point to a supply being at fault.

Posted on Feb 04, 2010

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  • Master
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It seems to be your lcd inverter board is failing not the power, if the power board was failing you wouldnt see anything on screen at all.

Posted on Feb 04, 2010

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1 Answer

I have a problem in my BPL TV(FHR-21) it showing a green color


How to Fix a TV When the Screen Is Green


A TV is calibrated by the factory to provide a "standard" picture that attempts to appeal to the vast number of buyers who take the set home. To adjust a TV picture that is too green, you must first enter the hidden "service menu" that technicians use. Adjusting the colors to remove the green cast will save you the cost that would otherwise be incurred from a TV technician coming to your home. No special tools are needed, nor any expertise in how the TV works.

Press the power button on the remote of a TV whose picture is too green in order to turn it on.

Press and hold down the "Menu" key until the manufacturer's logo appears on the screen. This could take up to a minute or more. Release the "Menu" key when the logo appears.

Immediately press the "9," "8," "7" and "6" keys in this order. Press the "Enter" button on the remote to enter the "Service Menu" screen.

Press the "Menu" button to go to the second of the two "Service Menu" screens. Press down on the "Down" arrow until you highlight "Color Calibration." Press the "Enter" button to enter the "Color Calibration" screen.

Select one of the color bars on the screen. Adjust the color by changing the values of the color bar by pressing left and right on the "left" and "right" arrows on the remote. Repeat this procedure with the other color bars as well. Stop adjusting the colors when the green cast is no longer present.

Press and hold the "Power" button on the remote to exit the "Service Menu" and save the adjustments you have made. Turn the TV off.

Sep 14, 2011 | Audio Players & Recorders

2 Answers

Monitor was in standby mode, computer was on. Now it shows no signal and when we try using the menu button (2) it flashes white, black, red, green, blue then a teal color.


the monitor is not receiving a signal from the computer which is why the multi coloured bars are showing. Ensure the lead is connected and is connected to the correct port of your computer. If it is connected correctly then either your graphics card is faulty or the lead, or monitor is

Apr 03, 2011 | Computers & Internet

1 Answer

My GE 35GT695 has lost color and will only show in black & white. However, when I press the menu button the menu shows in color while the screen is still black & white.


the on screen graphics are sourced from red,green ,blue drives,..your fault is with the colour decoder .sorry it is a repair that needs a expert engineer ..it could be dry jointed to test for dry joints try tapping the back cover or bottom of the set ..good luck farr64[colin]

Dec 29, 2009 | GE 35GT695 TV

1 Answer

Gateway GT5058 Geforce 6100 lost red


yes.. Check to make sure your wires are in good working order, check for loose pins, and make sure there aren't any kinks / tears / breaks in the shielding for the monitor cable.

Also, make sure you have the latest drivers for your graphics card, and that someone hasn't tampered with any color settings on the monitor / graphics setting software (nVidia allows me to adjust color for each individual color... i.e. red, green, blue.. )

Also, i have seen times where KVM's have caused the color to be off. even after removing the monitor from the KVM and testing a new monitor on the KVM, after detaching the KVM, and allowing it to reset (1 minute no power) then reconnecting it with all 4 PC's turned off, the issue went away.


To Recap:
1) Make sure monitor settings are at factory default
2) test the monitor on another PC, if good step 3
3) test different monitor on affected PC, if good, step 4
4) be sure your software settings work for your monitor, and all cables are secure, and free of defects such as kinks, broken shielding, broken wires within the shielding, missing / bent / broken / loose coonector pins.

If all abouve test show the monitor is good on one PC, and bad on another, replace your graphics card to see if this solves the problem, if so, your card may be faulty

May 20, 2009 | Gateway GT5058 Desktop PC

1 Answer

Display does not show the color green. Green comes in as black


why not use a known good monitor
in 1 minute flat the truth.
not only that you can move or bad monitor to another pc
and see if it works.
also the cable can be bad.

Mar 13, 2017 | HP VF15 15 in.

2 Answers

Picture has 3 images, all different colors (red-blue-green) screen looks concave in the middle top & bottom


This is what is known as convergence..(very common)... first question DO you have the "CONVERGENcE" option in your setup menu?.... if you dont there may be a special fuse issue... if not then more than likely it is what is known as convergence power supply issue. you have complete loss of convergence?

Jun 01, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

Mitsubish hd 1080I wt 46809


Check settings first to make sure no one changed anything out of the ordinary. Are the shadows that of a color or darkened shadow? It could be out of convergence, which can be corrected in the menu - or it could be low quality video cables to. Also, if there is no green, does a white color show up when you're in a menu mode (Red+Blue+Green = White Image)? If so, then the green picture tube is working and it's just a color adjustment, otherwise you may have to invest in a new green picture tube.

Apr 22, 2008 | Televison & Video

3 Answers

Colors are off after auto adjust


I seem to have found the solution (and the cause, perhaps?) for this problem!

I was having the EXACT same problem with a monitor I'm repairing for a friend. The capacitors on the power supply board were blown (CapXon capacitors, who'd've guessed), which was keeping it from powering up. After replacing the capacitors, the screen worked beautifully. But it had this weird yellow tint!

The strange part was that pure colors - red, green, blue - all appeared perfectly OK on screen. Curiously, the menus would show in the proper colors, except for one: the manual color adjustment menu, which illustrated "Blue" as a sort of off-green in the icon. Auto-Adjust would always fix the colors for a split second, then go back to yellow. Reset didn't fix it. Color reset didn't either. So, exactly the same problem as above.

The solution I found was hidden within the main menu itself, a sort of "easter egg". <b>Hold the Menu button down while pressing Power, and hold it down until the screen, and menu, appear</b>. 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. Voila! PERFECT COLOR! Perhaps this menu was accessed by accident, and calibrated to an incorrect color key. But now my picture works great, and the setting lasts through Auto-Adjusts and Resets!

Hope this helps some people, it sure saved my ****! ;)

Dec 05, 2007 | AOpen 19" LCD

2 Answers

Red Screen


first try going to the menu on the tv and adjusting the red blue and green tint....if not the u need to remove the front pannel and move the the the top left knob on the setting to lower the tint...

Aug 15, 2007 | Hitachi 57S700 57" Rear Projection HDTV

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