What is 1st row LCD monitors
Computer monitors are pretty easy to use, if not in actual design: plug them in, turn them on, look at your computer stuff on the lighter part. But misleadingly simple as it may seem, there's a lot of stuff in that empty plastic case ... and a lot of stuff that can go wrong.
Unfortunately, most of these things require either a certified repair or a full replacement fix. Unless you're particularly handy with electronics and just happen to have cheap replacement parts, it's usually better to either send a monitor to the manufacturer (if it's under warranty) or just buy a new one. Still, here are the most common complaints for modern LCD monitors, and what can be done to correct them ... or not.
Stuttering or flickering
If your monitor screen is blinking or stuttering a lot, there are a few different problems you might encounter. It could be something as simple as a loose or faulty video cable. First, tighten the cable on both the monitor and the end of the computer (be sure to fully tighten all mounting screws if your cable has these cables), or simply replace the cable. The same goes for the power cord: make sure it is secure at both ends, and if the problem persists, replace it if possible.
An incorrect setting of the refresh rate can also lead to flickering. The refresh rate is the number of times per second the computer sends an image to the monitor, expressed in Hertz. Most LCD monitors use either 59 or 60 Hertz, although 75Hz, 120Hz, and 144Hz can also be found on premium monitors. Go into your operating system's display settings (right click on desktop and go to Display Settings> Display Adapter Properties> Monitor in Windows 10) to make sure the correct Hertz setting is being applied. You may also need to update your graphics drivers.
Unfortunately, most of the other flickering symptoms are caused by a lack of performance somewhere in the monitor itself. It is possible that you are drawing too much power from one of your home's electrical circuits or overloading your surge protector. Just move the power supply to a different connector to test this. However, it is more likely that there is a loose or malfunctioning component in the display assembly itself. If that's the case, repair or replacement are the answers.
Black or solid color lines on LCD screens are caused by many different problems, but if the standard fixes outlined in the flickering section above don't apply, don't fix them (check your video and power cables for problems, install new drivers) , it is likely a physical defect on the screen. Try your monitor on a different computer or laptop to see if the problem persists. If so, you are likely looking for a replacement as the fault is almost certainly in the LCD screen (the most expensive component of the monitor).
Dead or stuck pixels
A "dead" pixel is a single point on your LCD screen that does not light up and appears as one or more black squares. "Stuck" pixels are similar, but instead of showing black, they are stuck on a single color that does not match the image on the computer screen, typically red, green, or blue.
There's not much you can do about a dead pixel - it's a physical screen malfunction. Fortunately, a dead pixel or two doesn't usually mean you have to throw away the entire monitor; It is certainly possible to bypass it or ignore it. You can also consider a warranty replacement, although many monitor manufacturers do not replace a screen until several pixels have gone out.
RELATED: How to fix a stuck pixel on an LCD monitor
A stuck pixel can be another matter. Depending on how exactly the problem manifests itself, it might be possible to get the pixel back to working order. There are various techniques for doing this, ranging from physically "massaging" the screen to programs that move part of the screen quickly through the spectrum of colors. You can try some of these solutions as detailed in our stuck pixel guide, but be warned, in my personal experience, it is extremely rare to find a permanent solution to a stuck pixel.
Cracks, stains and stains
If your monitor has a visible crack, a large discolored area, or a black / colored spot that does not match the pixel grid, it has been subjected to physical trauma and the LCD screen is damaged. There's nothing you can do here: even if your monitor is within the warranty period, it almost certainly won't cover any physical damage. You could try replacing the LCD panel yourself, but since the replacement part is almost as expensive as a new monitor anyway, you might as well be shopping.
The most common problem that can cause buzzing wins noise in a monitor is a backlight problem, typically with the compact fluorescent tubes used for lighting in older models. (This design has been largely replaced by LED backlighting, but there are still many CFL-equipped monitors in use.) There may be noise due to problems with power control for one or more lamps. Try adjusting the screen brightness up or down to see if the noise goes away; of course, this can be a suboptimal solution if you need your screen brightness at a certain setting.
Fortunately, a defective CFL lightbulb is a standard problem, as is a malfunctioning power regulator in various other components. If your monitor is out of warranty, take it to an electronics store - they can probably replace the part for much less than the cost of a new screen.
RELATED: Why You Should Use Your Monitor's Native Resolution
If your screen suddenly shows the wrong resolution for your desktop - which is a pretty big deal indeed for any PC user - the most likely reason is your graphics card. It is likely that either the software component (the graphics driver) or the graphics card itself is where the problem is. Updating the driver usually fixes this problem, although a new graphics card might be fine.
If the problem persists even after testing the monitor on a different computer, there may be something wrong with the internal electronics. If possible, try an alternative input (HDMI / DisplayPort / DVI).
A monitor that periodically turns off may not be receiving adequate power from the electrical outlet or the surge protector - make sure the power cord is plugged in correctly. It is also possible that the internal or external current transformer (the latter is a box or "wall wart" on the power cable) is overheating. Carefully inspect the casing of the monitor itself or the power supply; If both are too hot to touch for more than a few seconds, they will need to be swapped.
Note on laptops
Most of the above issues can also occur with LCD screens used in laptops and tablets. but because of their compact design, they are much more difficult to repair. However, the added cost of a laptop versus a monitor could make a much better candidate for repair than replacement. At the very least (assuming you've exceeded the warranty period) it is probably worth a diagnosis and a repair shop quote if you are uncomfortable about replacing the display assembly yourself.
Photo credit: Douglas Whitfield / Flickr, Iwan Gabovitch / Flickr, Creativity103 / Flickr, Amazon
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