fix lcd panel monitor factory

If you spend long hours working on your computer, adjusting your LG monitor"s settings can increase your viewing comfort and prevent eyestrain. The LG monitor features a super energy saving mode that adjusts the brightness to a lower, more comfortable level while saving your business money in energy costs. You can reset super energy saving mode if you want to clear the settings. The LG monitor also has a factory reset option that enables you to erase all custom settings.

For example: for Dell U2415 monitor the factory installed display panel is 24.0" LM240WUA-SSA1 manufactured by LG Display, which supports 1920(RGB)×1200 (WUXGA) display and has WLED backlight incorporated (no LED driver is present in the panel). The signal interface is LVDS (2 ch, 8-bit), a single 30-pins connector. There are other matching panels made by LG, Samsung, AUO and possibly others (abundantly available from 3rd party resellers), but the most important is that the mainboard LVDS connector signals mapping do match the LVDS panel specifications - as found in the panel datasheet.

buy a used display panel, or a used monitor with similar size and resolution (checking first the monitor model specifications / resolution / backlight type / panel make, model, datasheet).

The replacement job will require disassembly, and one should carefully observe the steps in the video tutorials other users have created and posted on Internet. Or even better, leave it to a licensed repairer or somebody who has proven practical experience and knows how to avoid risk of electrical shock, ESD damage to the electronic components or the display panel - and can offer warranty for their work. Pay extra care with the cables connecting the mainboard to the display (LVDS, LED backlight and menu button board) as they can be easily damaged when removing the mainboard.

I am an IT guy who discovered repairing electronics by need - when looking to fix the hardware related problems I encountered with monitors, laptops, computers, networking, printing, audio-video and so.

I found that working with resources disposed for recycling is a very efficient way to learn, and solve many problems without big expenses. I agree that the cost of repair at specialized centres could bear a high cost - considering that fixing requires time, experience and somehow be lucrative. But younger generations tend to break technological barriers easier, and with the help of readily available information consumers can solve problems themselves when manufacturers can"t.

Article summary: This article provides information on how to use & troubleshoot your Dell S2318M monitor, key features of Dell S2318M monitor, technical specifications, how to setup your Dell S2318M monitor, how to find the documentation or manuals for Dell S2318M monitor, how to reset the monitor to factory default settings and troubleshooting steps to resolve common issues on Dell S2318M monitor.

The Dell S2318M flat panel display has an active matrix, Thin-Film Transistor (TFT), Liquid Crystal Display (LCD), In-plane Switching panel and LED backlight. The monitor features include:

This section provides some specifications of the Dell S2318M monitor. For more information about the Dell S2318M monitor, refer to the User Guide at the Dell Manuals website. Back to Top

Connecting the Monitor - Refer to the knowledge base article How to Connect a Monitor to a Computer?. Alternatively, you can also refer to the Setting Up The Monitor in the User"s Guide for your Dell S2318M Monitor.

Ports & Connectors - Refer to the User"s Guide for your Dell S2318M Monitor for more information on the Ports & Connectors available on your Dell S2318M Monitor. Back to Top

Use the buttons at the bottom of the monitor to access the On-Screen Display (OSD) menu of the monitor. To access the On-Screen Display (OSD) menu, press Button 3 at the bottom of the monitor.

For more information on Using the On-Screen Display (OSD) Menu, refer to the Operating Your Monitor section in the User"s Guide for Dell S2318M monitor.

During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display quality or usability. For more information, refer to the Dell knowledge-base article Dell LCD Monitor Pixel Guidelines. Back to Top

Your Dell S2318M Monitor provides a self-test feature check that allows you to check whether the monitor is functioning properly. If the monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps:

If your monitor screen remains blank after you use the previous procedure, check your video card (GPU) and computer, because your monitor is functioning properly. Back to Top

Your Dell S2318M monitor has a built-in diagnostic tool that helps to determine if the screen abnormality you are experiencing is a problem with the monitor or with the video card on your computer.

When you notice screen abnormalities like distortion, clarity, horizontal or vertical lines, color fade etc., it is always a good practise to isolate the monitor by running the Built-In Diagnostics.

If you notice any abnormalities during Built-In Diagnostics, you may get the monitor repaired/replaced if it is under warranty by contacting Dell Technical Support.

This section provides information on troubleshooting steps that can help resolve the most common issues with the Dell S2318M monitor. Click to expand the section to find more information.

A few permanently bright or dark pixels are considered normal by industry standards. The exact number of pixels allowed varies depending on the monitor. Refer to Monitor Quality and Pixel Policy for more details.

Built-In Self Test - The Dell S2318M monitor has a built-in self test that helps you identify if the screen abnormality is with the monitor or the video card (GPU) on your computer. When you notice screen abnormalities like distortion, clarity, horizontal or vertical lines, color fade etc., it is always a good practise to isolate the monitor by running the Built-In Diagnostics.

The Troubleshooting section of this Dell knowledge-base article provides information on troubleshooting common issues with the Dell S2318M monitor. The section has troubleshooting steps on how to resolve power issues, video issues, color or clarity issues, distortion issues, horizontal or vertical lines, brightness issues or pixel issues etc,.

To navigate the On-Screen Display (OSD) menu, use the buttons on the monitor. The monitor control buttons are usually on the right side , either on the side, front or bottom of the monitor. To access the On-Screen Display (OSD) menu, press Button 3 on the monitor.

For more information on using the On-Screen Display (OSD) menu and different menu options, refer to the Operating Your Monitor section of the User Guide of the Dell S2318M monitor.

A factory reset does not erase the monitor’s language setting. After you perform a factory reset, you will need to re-enter your custom settings, such as contrast, brightness and image ratio.

To view the settings menu, press the joystick button at the bottom of the monitor and then enter the Settings. When you enter the menu, instructions on how to use the button will appear in the bottom right corner of the screen.

Make sure the computer is turned on. If using multiple displays (such as a laptop screen), make sure the computer has multiple displays enabled. Make sure the cables are securely connected, both on the monitor and on the PC. Try a different cable.

Press in the joystick button on the bottom of the monitor to enter the main menu. Click left, right, up, or down: Left to enter Menu, right to manage the Input mode, up to select a Game Mode, and down to turn off the monitor.

In particular, ensure your monitor is plugged into the wall and receiving power, and double-check that the cable going to your PC is firmly plugged in at both ends. If you have a graphics card, your monitor should be plugged into that, not the HDMI port on your motherboard.

If the new monitor works, the original monitor or its cables are faulty. Try connecting the monitor with a different video cable. If the monitor still does not work, replace the monitor power cable. Replace or service the monitor if it still does not turn on.

On the function keys (F1 - F12) on your laptop does one of those have an icon with two screens, and if it does, press that to see if that sends a signal to the external monitor.

I need to reset my monitor’s settings back to default factory settingsTo reset your monitor’s settings back to its default factory settings, follow these instructions:

My monitor is not turning on even though it is plugged in (external power supply)First, try another device in the same outlet to determine if the outlet is working properly.

Amber Light: The amber light indicates the monitor is receiving power but is not receiving the video signal being fed from the signal source (camera, computer, etc). This may also signify that the monitor is currently set to the wrong video input; you may need to press the “Auto/Switch” button to select the appropriate input (VGA, HDMI, etc).

Green Light: If the power is on, the connections are secure, the video signal source is on, and the light is still GREEN, then this dictates a problem internally with the monitor; it needs to be returned for repair.

My monitor is not turning on even though it is plugged in (internal power supply)First, try another device in the same outlet to determine if the outlet is working properly.

Amber Light: The amber light indicates the monitor is receiving power but is not receiving the video signal being fed from the signal source (camera, computer, etc). This may also signify that the monitor is currently set to the wrong video input; you may need to press the “Auto/Switch” button to select the appropriate input (VGA, HDMI, etc).

Green Light: If the power is on, the connections are secure, the video signal source is on, and the light is still GREEN, then this dictates a problem internally with the monitor; it needs to be returned for repair.

My monitor screen is completely black, even though it is powered onIs everything firmly plugged in? A loss of video signal will cause the monitor to go black and then turn off entirely. It is easy for cables to become loose and not firmly connected, especially if you are using a mobile system. Please check to make sure everything is securely plugged in.

Your monitor possibly has TRU-Vu’s Dim-To-Black feature which allows you to control the screen’s brightness and contrast by pressing the arrow keys in the menu. The reason it has gone completely black could be because the dim-to-black was turned all the way down. Press the arrow up to the right to raise the brightness again. If this does nothing, try pressing the left arrow keys.

Why does my monitor keep entering sleep mode when I turn it on?The primary cause is usually that the monitor is not receiving a video signal from the signal source (camera, computer, etc). The monitor will automatically enter sleep mode if it cannot detect a video signal.

Example: If you have the computer plugged into a monitor and the computer is off, when you power the monitor on, it will turn on for a few seconds, then automatically switch into sleep mode and turn off. Once you turn the computer on, the monitor will automatically recognize the signal source and power on.

The monitor will automatically switch into sleep mode if your video signal source (camera, computer, etc) is off or disconnected. Make sure your source is on and firmly connected.

If the LED on the monitor is amber, this means the monitor is receiving power but not receiving a video signal from your source. Ensure the monitor is set to the correct input and try swapping out sources to determine if that is the root of the problem.

If possible, try using a different monitor with the same cables and source. If the new monitor works, then there is an issue with the original monitor. Contact us for a repair RMA.

Why are there black bars and/or squeezing (banding) with my monitor?If there are black bars around your signal and/or a “squeezing” effect, this means that the aspect ratio of your monitor and the incoming video signal do not match.

Make sure the monitor’s picture size setting is set to the factory default, not zoom, fit or stretch. For optimal picture quality without distortion, black bars or squeezing, it is always best to match the aspect ratio of your video signal with the aspect ratio of the monitor.

How do I know if my monitor is really showing true 4K video?Make sure that that the signal you are sending is 4K resolution (3840x2160). You can test this by pressing the monitor’s Menu button. The monitor’s Menu screen will display the incoming video resolution and timing in the top-right corner of the screen.

My touch screen is not working.All touch panels must be connected to a computer via USB or RS232 cable. This allows the touch panel to communicate with the computer.

If you recently downloaded a new touch panel driver, you must also delete the old driver and reboot your computer. Make sure you have deleted any old touch panel drivers and then restart your computer.

My touch screen is not registering correctlyAll non-HID compliant touch panels will need to be calibrated during the initial start-up and may need recalibrating at some other point in the future. This is accomplished via the touch panel software installed on your computer. For a detailed walk through, please contact us.

Certain touch panels are susceptible to issues due to grease/dust/water and therefore may need added care. If this is a constant problem, please contact us for further assistance.

The buttons on my monitor are lockedKeylock is a safety feature offered by TRU-Vu to prevent unauthorized personnel from changing the desired monitor settings. We do not publish the lock codes for public knowledge; please contact us for the unlock codes.

I increased the Brightness setting on my Sunlight Readable monitor, and now the image is washed outIf you would like to achieve a brighter image than the default settings on a TRU-Vu SRM-Series Sunlight Readable monitor, we recommend keeping the Brightness setting at the default setting (you may need to perform a factory reset/recall if you’ve already adjusted the Brightness), and then increase the contrast.

The speakers are not very loud on my monitorTRU-Vu speakers are provided for signals and alerts; these are not intended for voice or music. If quality of sound is a major concern, we advise using external speakers.

My monitor is displaying a message saying “Sync Out of Range”If you are seeing this on your monitor, it means you are sending a video resolution to your monitor that is higher than your monitor’s native resolution.

Please review the TRU-Vu data sheet to determine your monitor’s video resolution and set your incoming video source to the same resolution as listed on the monitor data sheet.

It is always recommended to spray the microfiber cloth first, then clean the screen with the moistened cloth. Do NOT spray the monitor screen directly.

For heavier duty cleaning, create a solution of 80% alcohol mixed with 20% water and use the damp, not wet, cloth to clean the screen and panel surface.

I need to clean my monitor screen (with protective glass)We highly recommend WHOOSH Screen Cleaner. It is 100% natural, non-toxic, and environmentally friendly. You can also use any standard glass cleaner.

Screen technology has come a long way from the old CRT days. Your monitor is now likely to have a tiny computer mounted inside that connects with your PC or laptop.

If you’re having trouble with your screen or just want to go back to your old factory settings, then here is what you should do to reset your monitor.

Press the menu button on the front of your monitor. Using the up or down arrows, find the reset icon and select it. Then press OK. Press the up or down arrows to select the “all reset” or OK option. Finally, press the OK button and then the menu button. Your monitor will now be reset.

If your monitor is set to enable the menu lock option, then you will be unable to access the reset function. You will have to switch it off by disabling it in the menu.

The menu button can sometimes be hard to find as it blends in with the monitor case. You may have to run your fingers gently along the underside of the monitor to or down one side (usually the right-hand side) of the screen to feel for the indents that identify the buttons.

The buttons on the bottom or side of your monitor are used to select menu items such as the vertical and horizontal orientation of the screen as well as its brightness and resolution.

If resetting the monitor doesn’t have the desired result, you may find that using the menu buttons can help solve the problem you’re having with your monitor.

To reset an AOC monitor, let the monitor warm up to normal operating temperature and then set the display to its native resolution. Select your monitor’s default color settings. Make sure that any alterations are disabled. Select Windows’ calibration tool and follow the onscreen instructions.

To find the tool, type “Color Management” into the windows search bar and you’ll be taken to the color management section in the control panel. You’ll find the calibrate option under the advanced tab.

To reset your Lenovo monitor, use the on-screen display (OSD) to adjust the contrast and brightness. Should your monitor fail to reset correctly, then you can use the on-screen display to reset it to its original factory settings. You’ll find the buttons for the OSD on the front of the monitor.

Lenovo monitors are all designed to offer similar features. This makes it easy to find the buttons and settings as they all follow the same basic design philosophy.

To reset a Viewsonic monitor, you can use button shortcuts and on-screen menus to return the monitor to its original default settings. Turn off the power and then select the plus button. Press and hold the power button and the plus button until a message appears on the screen to show that it has reset.

Benq is well known for the quality of its LCD monitors. However, despite the advanced technology behind its high-resolution images, these monitors do sometimes cause problems.

To reset a Benq monitor, ensure the power cord is securely attached at both ends. Press the “menu” button and select the “picture” option. Then scroll to the “color” option and then select “reset color.” Press the yes option in the caution box and you are finished.

If your monitor is still displaying blurred images or the colors are not to your liking, you can use the settings within the Windows control panel to adjust them.

Once the settings have been selected, confirm your selections and exit the control panel. Switch off your computer and monitor. Wait for 30-60 seconds before switching the computer and monitor on again to see that the settings are correct.

To reset a Philips monitor, press the menu button at the bottom of the monitor. Then turn the monitor on with the power button. Open the on-screen display by pressing the menu button. Scroll to the bottom of the menu and select the extra selection option and then select the factory service mode.

If you don’t wish to change back to the factory settings, you can switch off the monitor and wait for a few minutes. Then switch on the computer and wait for it to fully boot up before switching on the monitor.

Once the monitor is on, you can check the display and make any adjustments that may be required in the display settings under the control panel options.

To reset your Sceptre monitor, use a soft reset. Switch the monitor off and then unplug it at the wall socket. Wait for at least a minute before plugging the power back in. Power up the PC and wait for it to boot fully. Then switch on the monitor and your monitor will have reset itself.

To reset an MSI Monitor, press the red button at the back of the monitor. The on-screen display will appear. Scroll to settings, press the right button once, and then scroll down to the reset menu item. Press the right button and select yes. This resets the monitor to the factory default settings.

To access the display settings, right-click on your desktop and a dialogue box will appear with the display settings option at the bottom of the menu list. Click the display settings and the control panel display settings options will appear.

To reset your Alienware monitor, press the second last button on the bottom of the screen twice. This brings up the on-screen display. Scroll down to the “other” option and use the right arrow button to move to the second menu. Scroll to the factory reset option and press the tick button.

Before the factory reset happens, a box will appear that confirms that you wish to factory reset the monitor. Select yes by using the down arrow button and then confirm by pressing the tick button.

The most common cause of these distortions is a damaged video cable. It is best to check the monitor with another cable before making changes to your monitor or display settings.

With the advances in monitor manufacturing, you may find that older operating systems cannot keep up with the display technology. In this case, you may have to upgrade your operating system.

Summary: Are you facing stretched, pixelated, color lines and other display distortion issues on desktop monitor or laptop? This post shares the methods to fix distorted, flashing, or skewed images on your computer.

Distorted images on laptop or desktop monitor can occur if the cables are damaged, broken, burnt, or loose. So, begin by checking the cables and connections of your computer.

Restart after updates or software installation re-initializes the drivers and hardware parts. Restart can fix many logical and physical problems including faulty display of monitor.

With continuous usage over the time, the screen settings may get changed. Reset the monitor to its default settings. Press the menu or settings button on the desktop or LCD monitor. This opens the main menu. Now, select ‘Restore Factory Settings’ option.

The menu setting options vary with brand and model. For instance, Dell monitors usually have ‘Factory Reset’ while Samsung monitors show ‘Reset all’ option.

Note: If you don’t find any reset option, turn off your monitor by pushing the ‘Power’ button. Next, disconnect the monitor from the computer. This should reset the monitor settings to default.

Degaussing refers to eliminating a magnetic field. Electromagnetic buildup can sometimes distort the display picture. This is common with older CRT (Cathode Ray Tube) monitors. If you are using CRT monitors, try degaussing to fix the distorted display problem.

Steps to fix distorted image in Toshiba laptop Open your computer desktop. Right-click and click on Displaysetting. You can also type ‘Display Settings’ in the search bar.

You can visit the manufacturer’s website and check your computer’s manual for right resolution of your CRT, LCD, or laptop. Typically, the below resolutions are recommended for respective screen sizes: Monitor sizeRecommended resolution

You can also download the drivers directly from the manufacturer’s site. Make a note of the make and model of your desktop monitor. Visit the support page of the manufacturer’s website and follow their instructions.

If updating graphic cards don’t help, reinstall them. Reinstalling fixes most of the video cards related problems such as distorted image, overlapping, or corrupt display screen.

Faulty graphics card can also cause distorted, flashing, or skewed display on monitor. Replace video card and check if it fixes distorted display problem.

If the screen problem continues, it’s a hardware issue that needs repair by a professional. Contact the manufacturer or the authorized service center of your computer or monitor.

You can repair multiple photos of any format simultaneously. The software can fix corrupt and distorted JPEG, JPG, DNG, HEIC, TIFF, CR2, CR3, NRW, SR2 and many other image file types.

Distorted image display can hamper your work. Begin troubleshooting by checking the cable and other connections. Then move on to other given methods in order of their mention. Replacement of video card, motherboard or monitor should be last on your list.

That annoying dead pixel on your TFT, OLED, or LCD screen might just be stuck and easy to fix. We"ll show you how to do it. You can still return your monitor if this doesn"t work; nothing we recommend here will void your warranty.

Yes, you should test any new monitor for bad pixels. You can simply run your screen through a palette of basic colors, as well as black and white in full-screen mode using a tool like EIZO Monitor Test.

EIZO Monitor Test is an online tool that lets you find and eventually fix stuck pixels. It packs many options into a single test window, but it"s easy to use once you have an overview.

To test your screen, check all the boxes you want to include in your test. We recommend the default setting of having all boxes checked. If you"re testing multiple monitors, you can open the test on an additional monitor. When you"re ready, click Start test to launch the full-screen test window.

This is a very thorough test not only meant to identify bad pixels but also powerful enough to test the quality of your monitor. Unfortunately, with Flash no longer supported by most browsers, you"ll probably have to use the executable version to make it work.

A stuck pixel, sometimes wrongfully referred to as a hot pixel, is defective because it receives incomplete information. Hence, it appears in one of the colors that its three sub-pixels can form, i.e., red, green, or blue. Strictly speaking, hot pixels only appear in digital cameras when electrical charges leak into the camera"s sensor wells. Sometimes, stuck pixels fix themselves.

Unfortunately, you can"t fix a dead pixel. You can, however, fix a stuck pixel. As I explained above, it"s hard to tell the two apart. Either way, these are the methods you can try:

UDPixel, also known as UndeadPixel, is a Windows tool. It can help you identify and fix pixels using a single tool. The program requires the Microsoft .NET Framework. If you"re not on Windows or don"t want to install any software, scroll down for the online tools below.

Let it run through all colors in Auto mode to spot whether you have any weird pixels on your screen. If you do, start the fix, which will rapidly flash your entire screen with black, white, and basic color pixels.

When all attempts to revive your bad pixel fail, the next best thing you can do is to make peace with it. One ugly pixel won"t break your screen, and eventually, you"ll forget about it. If the defect affects more than a single pixel, however, or just bothers you a lot, you can always replace your monitor.

First, check the warranty. The manufacturer or the marketplace where you purchased the monitor might cover dead pixels. Note that most manufacturers define a maximum number of allowable bad pixels for specific resolutions, and the warranty won"t apply until your monitor crosses that threshold.

Bright or dark sub-pixels can occur during the production of the LCD Monitor panel but does not affect the LCD Monitor functionality. The customer may notice the bright or dark spots if the film of the liquid crystal does not perform as expected while customers uses the LCD monitor. However, this is not considered a defect unless the number of bright and dark subpixels exceeds the maximum allowable threshold (...)

On a monitor with over 12 million pixels (Wide QXGA+, 2560x1600 pixels), for example, LG"s pixel policy says that 12 bright or dark sub-pixels is the maximum you have to tolerate.

Should all of these approaches fail to fix your dead pixel warrior, at least you"ll now know it"s not simple to fix, and, you might actually have to replace the screen.