polish lcd screen factory
The factory in Kobierzyce, near Wroclaw, manufactures LCD modules for use in flat-panel televisions. An LCD module is the most expensive part of a flat-panel TV set and combines the display panel with a backlight, frame and associated electronics. Manufacturers add a few additional circuit boards, power supply and case to produce a finished TV set.
The Polish plant will mainly make modules for TV sets with screen sizes of 32 inches and above. The modules will likely be used in sets produced by several major consumer electronics brands, all of which have factories nearby. LG Electronics has a factory close to the plant and Toshiba, which owns a 19.9% stake in the module factory, is in the process of building a factory in the area.
Mass production at the Polish plant has begun with 3 million modules per year and LG.Philips LCD is targeting expanding this to 11 million modules per year by 2011.
Workers assemble LCD TV sets at LG Electronics" Wroclaw factory, which opened Wednesday. The firm is to produce 3 million LCD panels and 2.4 million TV sets every year from the site to serve the European market. / Courtesy of LG Electronics
LG Group opened its liquid-crystal display (LCD) manufacturing cluster in Poland on Wednesday, which will act as one of the three global supply points along with its factories in Paju, South Korea, and in Nanjing, China.
The Wroclaw facility is to produce 3 million LCD modules and 2.4 million TV sets, which are built on those modules, every year for European consumers who account for a little more than one third of the global market.
Four LG affiliates and three partner companies have spent a total of $538 million (501 billion won) in the Polish project. Another $547 million (510 billion won) are to be injected into the 1.4-square kilometers site by 2011, to expand the production capacity to 11 million modules and 10 million TV sets by 2011, LG said.
Wednesday"s opening ceremony was attended by some 500 executives and guests, including LG Group Chairman Koo Bon-moo, LG Electronics CEO Nam Yong, LG.Philips CEO Kwon Young-soo, and Elzbieta Dorota Wilczynska, the Polish deputy minister of economy.
``As the demand for LCD TVs is increasing more rapidly in Europe than any other region, the Poland cluster will play a core part in LG"s overall LCD-related businesses,"" Nam said during his speech. ``Now, with five major LCD manufacturing strongholds strategically placed around the globe, we are in a better position to achieve our goal of being the industry"s leader."
LG said it chose Poland for the country"s advantageous geographic location, competitive workforce, established infrastructure and the support from the Polish government. Approximately 4,200 jobs were created in the region with the opening of the LG cluster, the group said.
``We are proud that this is currently the largest LCD manufacturing center in Europe. Thanks to LG"s investment, other foreign companies have also decided to build their factories in our community," said Ryszard Pacholik, mayor of Kobierzyce Commune where the factories are located.
The Poland cluster finishes up LG"s global LCD supply chain. The panels are first manufactured in LG.Philips" factory in Paju, South Korea. They are then shipped to one of the three module factories in Paju, Nanjing and Wroclaw where they are assembled with backlights and other parts.
LG also said the complex will incorporate a one-stop manufacturing system, allowing LCD products and components to be produced and assembled in a single location. Raw materials for LCD panels will be supplied by LG Chem; electric parts and devices by LG Innotek; LCD modules will be made by LG.Philips LCD; and finished LCD TV sets by LG Electronics.
To the relief of LG officials, LCD panel prices have been rebounding since April. According to Display Bank, the price for panels for PC monitors is expected to continue to rise until September at the least. The research firm expected LG.Philips recent operating loss to turn into a profit from the second quarter.
LG hopes that cooperation among its three LCD clusters will create synergy in new technology development, purchasing system integration and talent sharing.
The Paju cluster is home to LG.Philips LCD and is the largest digital display cluster in the world, covering 4.5 square kilometers in total on the northern outskirt of Seoul.
The Nanjing display complex covers 2 square kilometers in total, including LG.Philips LCD"s first overseas LCD module plant and plasma display module and TV set plants of LG Electronics.
LG.Philips LCD is a joint venture between LG Electronics and Philips. Toshiba also has a 19.9 percent stake in LG.Philips" subsidiary in Poland as they seek partnership in the display sector.
• Perform highly diversified duties to install and maintain electrical apparatus on production machines and any other facility equipment (Screen Print, Punch Press, Steel Rule Die, Automated Machines, Turret, Laser Cutting Machines, etc.).
Construction of the plant in Nowa Sol, western Poland, will start this month with production expected in the middle of 2007, Funai Electric Co. said in a statement yesterday. The Osaka-based company will buy LCD panels from suppliers including Taiwan"s Chi Mei Optoelectronics Corp. and assemble TVs at the factory, it said.
Funai is the seventh non-Polish company to start producing TVs or TV parts in the eastern European country. Poland aims to become the European Union"s biggest supplier of flat-screen televisions, accounting for almost 80% by 2010. Funai will make 100,000 LCD TVs a month next year, and double the production in 2008, the company said. The sets will be sold in Poland, neighboring countries and Middle East.
Workers assemble LCD TV sets at LG Electronics" Wroclaw factory, which opened Wednesday. The firm is to produce 3 million LCD panels and 2.4 million TV sets every year from the site to serve the European market. / Courtesy of LG Electronics
LG Group opened its liquid-crystal display (LCD) manufacturing cluster in Poland on Wednesday, which will act as one of the three global supply points along with its factories in Paju, South Korea, and in Nanjing, China.
The Wroclaw facility is to produce 3 million LCD modules and 2.4 million TV sets, which are built on those modules, every year for European consumers who account for a little more than one third of the global market.
Four LG affiliates and three partner companies have spent a total of $538 million (501 billion won) in the Polish project. Another $547 million (510 billion won) are to be injected into the 1.4-square kilometers site by 2011, to expand the production capacity to 11 million modules and 10 million TV sets by 2011, LG said.
Wednesday"s opening ceremony was attended by some 500 executives and guests, including LG Group Chairman Koo Bon-moo, LG Electronics CEO Nam Yong, LG.Philips CEO Kwon Young-soo, and Elzbieta Dorota Wilczynska, the Polish deputy minister of economy.
``As the demand for LCD TVs is increasing more rapidly in Europe than any other region, the Poland cluster will play a core part in LG"s overall LCD-related businesses,"" Nam said during his speech. ``Now, with five major LCD manufacturing strongholds strategically placed around the globe, we are in a better position to achieve our goal of being the industry"s leader."
LG said it chose Poland for the country"s advantageous geographic location, competitive workforce, established infrastructure and the support from the Polish government. Approximately 4,200 jobs were created in the region with the opening of the LG cluster, the group said.
``We are proud that this is currently the largest LCD manufacturing center in Europe. Thanks to LG"s investment, other foreign companies have also decided to build their factories in our community," said Ryszard Pacholik, mayor of Kobierzyce Commune where the factories are located.
The Poland cluster finishes up LG"s global LCD supply chain. The panels are first manufactured in LG.Philips" factory in Paju, South Korea. They are then shipped to one of the three module factories in Paju, Nanjing and Wroclaw where they are assembled with backlights and other parts.
LG also said the complex will incorporate a one-stop manufacturing system, allowing LCD products and components to be produced and assembled in a single location. Raw materials for LCD panels will be supplied by LG Chem; electric parts and devices by LG Innotek; LCD modules will be made by LG.Philips LCD; and finished LCD TV sets by LG Electronics.
To the relief of LG officials, LCD panel prices have been rebounding since April. According to Display Bank, the price for panels for PC monitors is expected to continue to rise until September at the least. The research firm expected LG.Philips recent operating loss to turn into a profit from the second quarter.
LG hopes that cooperation among its three LCD clusters will create synergy in new technology development, purchasing system integration and talent sharing.
The Paju cluster is home to LG.Philips LCD and is the largest digital display cluster in the world, covering 4.5 square kilometers in total on the northern outskirt of Seoul.
The Nanjing display complex covers 2 square kilometers in total, including LG.Philips LCD"s first overseas LCD module plant and plasma display module and TV set plants of LG Electronics.
LG.Philips LCD is a joint venture between LG Electronics and Philips. Toshiba also has a 19.9 percent stake in LG.Philips" subsidiary in Poland as they seek partnership in the display sector.
Magic erasers are usually used for cleaning up messes, but could they clean up scratches? Yup. It wiped out small scratches on the phone"s screen in just a few seconds. Taylor Martin has a tutorial on how to make your own magic erasers for just around $0.10 (£0.07 or AU$0.14) each.
Wiping a screen with toothpaste (not the gel kind) supposedly works for fixing scratched screens. All it did in my tests was make the screen shinier and seemed to add small abrasion marks. I also tried toothpaste on a plastic screen protector, such as the kind that comes with OtterBox phone cases. It worked great on that! So it"s a no for screens, but a yes for plastic screen protectors.
Car waxes and headlight lens creams are supposed to be effective at removing scratches on screens, so I gave Mothers PowerPlastic 4Lights headlight cream a try. It made the scratches fade significantly, and l liked the shine it gave my screen.
A paste of two parts baking soda to one part water has been bandied about as a great screen fixer. Nope. It just made the screen really shiny. Plus, the moisture in the paste could damage your device.
I wasn"t sure about this tip. Sites say to mix the corn starch with a little water to make a paste, rub it on the screen with a soft cloth, and then wipe it off. It didn"t do anything to the scratches, but it made the screen shiny.
OK, this one freaked me out. A lot. Putting gooey, oily stuff on electronics is never a good idea, but I gave it a shot in the name of science. I dabbed a bit on as recommended, and rubbed it into the screen with a tissue. As I feared, all it did was make the test screen oily and sticky.
Why do people think it"s a good idea to rub food on their phones? Nope, rubbing a banana peel on your screen won"t help it. I tried it a couple different ways and it just left a crusty mess that is hard to remove.
Powdered cleanser like Bar Keepers Friend, Comet, Ajax and the like seem a good idea for buffing out scratches. They are slightly abrasive, so you"d think they"d polish your screen to a gleaming scratch-free shine. Well, they don"t. They can even leave new little scratches on your screen. Yah, this test didn"t go well.
Construction of the plant in Nowa Sol, western Poland, will start this month with production expected in the middle of 2007, Funai Electric Co. said in a statement yesterday. The Osaka-based company will buy LCD panels from suppliers including Taiwan"s Chi Mei Optoelectronics Corp. and assemble TVs at the factory, it said.
Funai is the seventh non-Polish company to start producing TVs or TV parts in the eastern European country. Poland aims to become the European Union"s biggest supplier of flat-screen televisions, accounting for almost 80% by 2010. Funai will make 100,000 LCD TVs a month next year, and double the production in 2008, the company said. The sets will be sold in Poland, neighboring countries and Middle East.
Your television is probably one of the last things you think about adding to your "to clean" list, but the difference between a smudgy screen and a crisp picture isn"t one to shrug at. Every day, our TVs accumulate dust and fingerprints, and the buildup occurs so slowly that it"s hard to notice. That is, until you take a quick 10 minutes to clean your TV and revel in a far more satisfying cinematic experience.
We asked a couple cleaning pros for the full rundown on how to clean TV screens of all types, including flat plasma and LCD screens, along with some common mistakes people make when cleaning their TV screens so you know exactly what to avoid.
To prevent buildup from accumulating on your TV screen, aim for a once-weekly TV cleaning. "It"s important to clean your TV screen not only to prolong its lifespan, but also to provide the clearest picture possible—smudges, dust, and fingerprints be gone," says Kathy Cohoon, a cleaning professional with Two Maids & a Mop. "It can make a big difference in the aesthetic of your TV and the picture on screen."
Dust the screen. Dry dusting your TV is a crucial step in the cleaning process. "Removing dry debris will ensure that you don"t accidentally create scratches by scrubbing a rough piece of dirt or buildup into the screen," Cohoon says. She recommends using a microfiber or soft cloth to gently dust the entire screen. If needed, flip the cloth over (or get a second cloth) in order to completely remove all dust, pet hair, and other loose debris. You can use a microfiber cloth to wipe down the speakers and cords as well.
Use screen-safe cleaner.Spray a small amount of screen-friendly cleaning product onto a soft cloth—never directly onto the screen itself—and wipe the TV down in a methodical, back-and-forth motion. Check that the cleanser is safe for the specific type of screen you are cleaning. Repeat as necessary to remove oily areas or fingerprint smudges. Also, don"t forget to gently wipe down the top and base of the TV.
Clean smudges on the screen."For tougher spots, make sure not to apply too much pressure, especially on more delicate screens," advises Leanne Stapf, the chief operating officer for The Cleaning Authority. "If microfiber cloth spot-cleaning doesn"t work, I recommend adding a bit of warm water to the cloth and then cleaning the spot with the dampened cloth."
Wipe down the screen."Since these screens are a bit sturdier, you can mix equal parts rubbing alcohol and lukewarm water to create a cleaning solution," Cohoon says. "Using a small amount of solution on a soft cloth, wipe the entire screen, base, and top." Spot-clean any stubborn areas with caked-on messes or heavy fingerprints. You can also remove fingerprints by rubbing with a microfiber cloth in a circular motion.
Forgetting to Dust First: "A big misstep when cleaning a TV is forgetting to dust the screen before using a cleaning agent," says Cohoon. This can lead to tiny scratches that slowly degrade picture quality.
Scrubbing Too Hard:Modern TV screens are delicate and require a gentle touch. Wiping too vigorously or using a rough cloth can damage the screen quickly.
Spraying Solution Directly Onto the TV:All wet cleaners should be sprayed onto a cloth and then wiped over the TV. Spraying directly onto the screen can create spots that are hard to remove. It also puts you at risk of damaging the speakers.
Using Non-Approved Cleaners: Using store-bought glass cleaners on OLED or LCD TV screens is a big no-no. Stapf says, "These products contain harsh ingredients like alcohol and ammonia, which can damage the panels of the screen."
Important technical improvements of LCD, such as LED backlighting and wide viewing Angle, are directly related to LCD. And account for an LCD display 80% of the cost of the LCD panel, enough to show that the LCD panel is the core part of the entire display, the quality of the LCD panel, can be said to directly determine the quality of an LCD display.
The production of civil LCD displays is just an assembly process. The LCD panel, the main control circuit, shell, and other parts of the main assembly, basically will not have too complex technical problems.
Does this mean that LCDS are low-tech products? In fact, it is not. The production and manufacturing process of the LCD panels is very complicated, requiring at least 300 process processes. The whole process needs to be carried out in a dust-free environment and with precise technology.
The general structure of the LCD panel is not very complex, now the structure of the LCD panel is divided into two parts: the LCD panel and the backlight system.
Due to the LCD does not shine, so you need to use another light source to illuminate, the function of the backlight system is to this, but currently used CCFL lamp or LED backlight, don’t have the characteristics of the surface light source, so you need to guide plate, spreadsheet components, such as linear or point sources of light evenly across the surface, in order to make the entire LCD panel on the differences of luminous intensity is the same, but it is very difficult, to achieve the ideal state can be to try to reduce brightness non-uniformity, the backlight system has a lot to the test of design and workmanship.
In addition, there is a driving IC and printed circuit board beside the LCD panel, which is mainly used to control the rotation of LCD molecules in the LCD panel and the transmission of display signals. The LCD plate is thin and translucent without electricity. It is roughly shaped like a sandwich, with an LCD sandwiched between a layer of TFT glass and a layer of colored filters.
LCD with light refraction properties of solid crystals, with fluid flow characteristics at the same time, under the drive of the electrode, can be arranged in a way that, in accordance with the master want to control the strength of the light through, and then on the color filter, through the red, green, blue three colors of each pixel toning, eventually get the full-screen image.
According to the functional division, the LCD panel can be divided into the LCD panel and the backlight system. However, to produce an LCD panel, it needs to go through three complicated processes, namely, the manufacturing process of the front segment Array,the manufacturing process of the middle segment Cell, and the assembly of the rear segment module. Today we will be here, for you in detail to introduce the production of the LCD panel manufacturing process.
The manufacturing process of the LCD panel Array is mainly composed of four parts: film, yellow light, etch and peel film. If we just look at it in this way, many netizens do not understand the specific meaning of these four steps and why they do so.
First of all, the motion and arrangement of LCD molecules need electrons to drive them. Therefore, on the TFT glass, the carrier of LCD, there must be conductive parts to control the motion of LCD. In this case, we use ITO (Indium Tin Oxide) to do this.ITO is transparent and also acts as a thin-film conductive crystal so that it doesn’t block the backlight.
The different arrangement of LCD molecules and the rapid motion change can ensure that each pixel displays the corresponding color accurately and the image changes accurately and quickly, which requires the precision of LCD molecule control.ITO film needs special treatment, just like printing the circuit on the PCB board, drawing the conductive circuit on the whole LCD board.
This completes the previous Array process. It is not difficult to see from the whole process that ITO film is deposited, photoresist coated, exposed, developed, and etched on TFT glass, and finally, ITO electrode pattern designed in the early stage is formed on TFT glass to control the movement of LCD molecules on the glass. The general steps of the whole production process are not complicated, but the technical details and precautions are very complicated, so we will not introduce them here. Interested friends can consult relevant materials by themselves.
The glass that the LCD board uses makes a craft also very exquisite. (The manufacturing process flow of the LCD display screen)At present, the world’s largest LCD panel glass, mainly by the United States Corning, Japan Asahi glass manufacturers, located in the upstream of the production of LCD panel, these manufacturers have mastered the glass production technology patents. A few months ago, the earthquake caused a corning glass furnace shutdown incident, which has caused a certain impact on the LCD panel industry, you can see its position in the industry.
As mentioned earlier, the LCD panel is structured like a sandwich, with an LCD sandwiched between the lower TFT glass and the upper color filter. The terminal Cell process in LCD panel manufacturing involves the TFT glass being glued to the top and bottom of a colored filter, but this is not a simple bonding process that requires a lot of technical detail.
As you can see from the figure above, the glass is divided into 6 pieces of the same size. In other words, the LCD made from this glass is finally cut into 6 pieces, and the size of each piece is the final size. When the glass is cast, the specifications and sizes of each glass have been designed in advance.
Directional friction:Flannelette material is used to rub the surface of the layer in a specific direction so that the LCD molecules can be arranged along the friction direction of the aligned layer in the future to ensure the consistency of the arrangement of LCD molecules. After the alignment friction, there will be some contaminants such as flannelette thread, which need to be washed away through a special cleaning process.
After the TFT glass substrate is cleaned, a sealant coating is applied to allow the TFT glass substrate to be bonded to the color filter and to prevent LCD outflow.
Finally, the conductive adhesive is applied to the frame in the bonding direction of the glass of the color filter to ensure that external electrons can flow into the LCD layer. Then, according to the bonding mark on the TFT glass substrate and the color filter, two pieces of glass are bonded together, and the bonding material is solidified at high temperatures to make the upper and lower glasses fit statically.
Color filters are very important components of LCD panels. Manufacturers of color filters, like glass substrate manufacturers, are upstream of LCD panel manufacturers. Their oversupply or undersupply can directly affect the production schedule of LCD panels and indirectly affect the end market.
As can be seen from the above figure, each LCD panel is left with two edges after cutting. What is it used for? You can find the answer in the later module process
Finally, a polarizer is placed on both sides of each LCD substrate, with the horizontal polarizer facing outwards and the vertical polarizer facing inwards.
When making LCD panel, must up and down each use one, and presents the alternating direction, when has the electric field and does not have the electric field, causes the light to produce the phase difference and to present the light and dark state, uses in the display subtitle or the pattern.
The rear Module manufacturing process is mainly the integration of the drive IC pressing of the LCD substrate and the printed circuit board. This part can transmit the display signal received from the main control circuit to the drive IC to drive the LCD molecules to rotate and display the image. In addition, the backlight part will be integrated with the LCD substrate at this stage, and the complete LCD panel is completed.
Firstly, the heteroconductive adhesive is pressed on the two edges, which allows external electrons to enter the LCD substrate layer and acts as a bridge for electronic transmission
Next is the drive IC press. The main function of the drive IC is to output the required voltage to each pixel and control the degree of torsion of the LCD molecules. The drive IC is divided into two types. The source drive IC located in the X-axis is responsible for the input of data. It is characterized by high frequency and has an image function. The gate drive IC located in the Y-axis is responsible for the degree and speed of torsion of LCD molecules, which directly affects the response time of the LCD display. However, there are already many LCD panels that only have driving IC in the X-axis direction, perhaps because the Y-axis drive IC function has been integrated and simplified.
The press of the flexible circuit board can transmit data signals and act as the bridge between the external printed circuit and LCD. It can be bent and thus becomes a flexible or flexible circuit board
The manufacturing process of the LCD substrate still has a lot of details and matters needing attention, for example, rinse with clean, dry, dry, dry, ultrasonic cleaning, exposure, development and so on and so on, all have very strict technical details and requirements, so as to produce qualified eyes panel, interested friends can consult relevant technical information by a search engine.
LCD (LC) is a kind of LCD, which has the properties of light transmission and refraction of solid Crystal, as well as the flow property of Liquid. It is because of this property that it will be applied to the display field.
However, LCD does not emit light autonomously, so the display equipment using LCD as the display medium needs to be equipped with another backlight system.
First, a backplate is needed as the carrier of the light source. The common light source for LCD display equipment is CCFL cold cathode backlight, but it has started to switch to an LED backlight, but either one needs a backplate as the carrier.
CCFL backlight has been with LCD for a long time. Compared with LED backlight, CCFL backlight has many defects. However, it has gradually evolved to save 50% of the lamp and enhance the transmittance of the LCD panel, so as to achieve the purpose of energy-saving.
With the rapid development of LED in the field of lighting, the cost has been greatly reduced.LCD panels have also started to use LED as the backlight on a large scale. Currently, in order to control costs, an LED backlight is placed on the side rather than on the backplate, which can reduce the number of LED grains.
On the transparent diffuser plate, point-like printing can block part of the light. The LED backlight on the side drives the light from the side of the diffuser plate, and the light reflects and refracts back and forth in the diffuser plate, distributing the light evenly to the whole surface. Point-like printing blocks part of the light, screening the light evenly like a sieve.
At the top of the diffusion plate, there will be 3~4 diffuser pieces, constantly uniform light to the whole surface, improve the uniformity of light, which is directly related to the LCD panel display effect. Professional LCD in order to better control the brightness uniformity of the screen, panel procurement, the later backlight control circuit, will make great efforts to ensure the quality of the panel.
Since the LCD substrate and the backlight system are not fixed by bonding, a metal or rubber frame is needed to be added to the outer layer to fix the LCD substrate and the backlight system.
After the period of the Module, the process is completed in LCM (LCDModule) factory, the core of this part of the basic does not involve the use of LCD manufacturing technology, mainly is some assembly work, so some machine panel factories such as chi mei, Korea department such as Samsung panel factory, all set with LCM factories in mainland China, Duan Mo group after the LCD panel assembly, so that we can convenient mainland area each big monitor procurement contract with LCD TV manufacturers, can reduce the human in the whole manufacturing and transportation costs.
However, neither Taiwan nor Korea has any intention to set up factories in mainland China for the LCD panel front and middle manufacturing process involving core technologies. Therefore, there is still a long way to go for China to have its own LCD panel industry.
The injection of ITO glass — glass CLEANING and drying — PR COAT — PREBREAK — DEVELOP MAIN CURE — ETCHING — STRIP CLEAN — TOP COAT — UV CURE — curing — MANICURE) – cleaning (CLEAN) – applied orientation agent (PI) PRINT – CURING (MAIN CURE), cleaning (CLEAN), silk screen printing (SEAL/SHORT PRINTING) – baking (CUPPING FURNACE), SPRAY packing material (SPACER SPRAY) – para pressing (ASSEMBLY) – CURING (SEAL MAIN CURING)
In this process, two conductive glasses are stacked on top of each other, and sealed together, and cured to make a glass box with a specific thickness of clearance. The technology of box-making is one of the key technologies in LCD manufacturing. (Spacing of LIQUID crystal boxes must be strictly controlled)
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We must verify whether the problem is the display screen of the laptop, video card (GPU), or video settings on the computer. A straightforward way to identify this is to connect the laptop to an external monitor or TV.
If the issue persists on the external monitor, it may be an issue with the video card (GPU) or video settings and not the laptop LCD panel. Go to verify display or video issues in Windows Safe Mode. Otherwise, go to the next step.
Performance issues may occur if there is any damage to the LCD screen. The display may stop working, work intermittently, flicker, display horizontal or vertical lines, and so on, if there is damage to the display screen.
Dell laptops have integrated diagnostic tools that can determine if the screen abnormality is an inherent problem with the LCD screen of the Dell laptop or with the video card (GPU) and computer settings.
When you notice screen abnormalities like flickering, distortion, clarity issues, fuzzy or blurry images, horizontal or vertical lines, color fade, running a diagnostic test on the LCD helps identify if the issue is with the LCD panel.
Press and hold the D key and turn on the computer to enter the LCD built-in self-test (BIST) mode. Continue to hold the D key until you see the entire screen change colors.
If you do not detect any screen abnormalities in the integrated self-test mode, the LCD panel of the laptop is functioning properly. Go to the Update the video card (GPU) driver, monitor driver, and BIOS section.
If you notice any abnormalities in the LCD built-in self-test mode, contact Dell Technical Support to learn more about repair options that are available in your region.
Display settings like brightness, refresh rate, resolution, and power management may affect the performance of the LCD screen on your Dell laptop. Changing or adjusting the display settings can help resolve several types of video issues.
If the diagnostic tests on the LCD panel and the video card (GPU) passed, it is most definitely an issue that is related to software that is installed on the computer. If the above troubleshooting steps did not resolve the issue, you may try to restore the computer to factory default settings as a last resort.