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Monitor There is a small bright dot about the size of a pixel on the screen. What could this be and is it bad? We have an Optiquest 20" lcd flat panel monitor. Thanks, greg

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Hi if your pixel is permanently brigthing you can try to press gently on the screen on the bright dot to expanse the liquid, sometimes the pixel freeze on lcd monitor.
hope this helps

Posted on May 22, 2008

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Viewsonic optiquest flat panel lcd monitor power light flashes on and off with a popping niose


Look for bad caps with bulging/leaking tops as shown here:
http://s807.photobucket.com/albums/yy352/budm/OPTIQUEST/Optiquest%20Q9B/

Very common problem in all LCD monitors as you can see in my albums.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

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Milk white screen.


HELLO!!!

Try updating the display drivers ... Hope it turns goos after the update ...

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1 Answer

I have a red dot on a Coby TF-TV2001. What can I do to repair this?


If you mean you have a pixel that is stuck on and is always red, there's nothing you can do. The only cure is to replace the display. LCD displays sometimes will have a pixel (sometimes several pixels) that doesn't work properly. The manufacturers know this, and as long the display falls within their specifications for what's acceptable, they don't see anything wrong. These specs include the total number of bad pixels, the number of bad pixels that can be clustered together, and where they can be on the display. If you have just one or only a few bad spots, they won't do anything for you. If other problems develop, such as a whole row or column goes bad or a section of the display fails, then you can see about having them fix it if the warranty is still in effect.

Dec 28, 2010 | Coby 20" Flat Screen TFT LCD TV Monitor

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What does it mean by dead cells?


I assume this is related to your LCD monitor.
I think you mean dead pixels. The LCD monitor has tiny pixel elements, one for each red, blue, green color and each one of these colored pixels are turnes on by a transistor. When a transistor fails then the colored pixel it controls does not light up. This is a dead pixel and it shows up as a tiny black dot.
If the screen displays a blue screen, a dead blue pixel will appear as a tiny black dot in the blue screen.
You normally would not notice a few dead pixels unless they are grouped together.

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1 Answer

ViewSonic Optiquest Q7b 17" LCD Monitor has a fuzzy picture


LCD monitor needs to be fed with native resolution from the PC video out, this monitor native resolution is 1280x1024 @60Hz, try that setting to see if it helps before opening up the monitor to look for failed components.

Mar 29, 2010 | ViewSonic Optiquest Q7b Flat panel TFT 17"...

1 Answer

THERE is two small bright patches in the screen


the two small bright patches are actually bad pixels.there is nothing to worry about as upto 5-6 bad pixels are fine.these bad pixels do not spread generally so no reason to worry.in case the number of bad pixels on the screen increase to more than 5-6 then you can get your unit replaced by the manufacturer if in warranty.

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1 Answer

Black spot is growing on my LCD Monitor


It is the LCD itself failing, no repair for the LCD itself, the screen will need to be replaced. Likely cheaper to replace the entitr monitor

Sep 20, 2009 | ViewSonic Optiquest Q9b 19" Flat Panel LCD...

1 Answer

Kogi 17'' flat screen monitor


there are four(4) buttons on your monitor to the left of the on/off switch.
Press the first one to the left of the off switch, which will bring up a menu, so you can select
bright or volume, screen size, etc; Next, there are two (2) buttons to the left of the first left button
that you can push to adjust brightness, size, vertical, etc;

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1 Answer

A bright Glare on the right side of the LCD Monitor screen.


thats a dead pixel that cannot be repaired w/out a part or module replacement

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