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Q: There is no display ( or Dim Display) on my laptop screen but I still could see all the icon on screen, What cause this problem?
A: The reason cause this problem could be defective backlight lamp or inverter board. The easiest method to isolate the problem between backlight lamps or inverter board would be connecting a good lamp to the inverter and turn on your laptop computer, if lamp lights up, then the problem should be backlight lamp. Otherwise, it could be inverter board. However, in some case, the defective motherboard will cause the same symptom.

Q: In troubleshooting my dell inpsiron 500, the fluorescent bulb flashes once Red and then goes out. What cause the problem?
Q: When CCFL backlight reach its end of life, it usually cause the laptop screen flash on in red and goes Off. So, replacing a new CCFL lamp will solve the problem.

Q: My laptop computer work fine with external monitor but there is no display on laptop screen?
A: It could cause by defective Backlight lamp or Inverter.

Q: My LCD TV does not have picture but I get sound?
A: Please check the power indicate light while LCD is on, If the light stays on, then, your backlight inverter is defective. However, in some case, the defective backlight lamp will cause the same symptom.

Q: My LCD Monitor does not have picture, Does it cause by backlight inverter?
A: Please check the power indicate light while LCD is on, If the light stays lit, then, your backlight inverter is defective. However, in some case, the defective backlight lamp will cause the same symptom.

Q: My screen had been completely dimmed out though you could see the screen was working if you used a flashlight. I ordered and installed the MoniServ Inverter Board. The screen came back to life and was working excellently - though a bit dim so I figured I will have to replace the light itself before long. Anyway, long story short: After about 8 hours of working, the screen blanked out again. Just as before, I can see the screen is working if I use a flashlight. Now at this point it looks like I have to order the light anyway....... But..... Since the screen went blank so soon, is it the light? Is it the inverter? Or possibly something else? I know the Nvidia card is fine because it drives by supplementary monitor with no issues. So the issues are entirely with the laptop monitor/display.
A: As CCFL lamp is wearing out, it requires higher and higher striking voltage from inverter, until it finally reach the point which overload the inverter and damaged it. Then, You need to replace CCFL lamp and inverter at the same time.

TST01 – custom build for testing 4 wires, 5 wires and 8 wires resistive touch screen.
LCD screen tester (for testing eDP/embedded Display Port interface). With its built-in Color bar generator, it can test resolution from 1280X800 to 3840X2160.
Testing LED Strip without Disassembly. IT03 can test all LED strips from a smaller industrial screen and up to 70 inch TV screen.
No more guess works!
LST01 is a custom build tester for Laptop screen repair; it can help you to isolate the problem between CCFL Backlight Lamp and Inverter in seconds.
Save Time! Save money!
LST04 - No setup time
Small and compact, easy to use, with build-in Color bar generator, you can test LCD screen size up to 60”
IT01 is design to test multiple backlight lamps inverter; it is capable to test any type of inverter up to 6 lamps at the time!
Stand alone Inverter tester!
The advantage of this custom build tester is that, you can apply any input voltage through DC Jack to test inverter from Laptop to LCD TV inverter.
UB Series LED Backlight
UB series are the direct replacement for Industrial LCD screens that were originally equipped with dual or 4 CCFL backlight lamps.
LCD Controller
These LCD Controller kits are designed to be easily integrated into the LCD screens that they are commonly used in kiosks, POS, avionics, Vending machine, Digital Signage and all other applications.
Retrofit LCD monitorfor MDT962B-1A

Retrofit LCD monitor for Mazak DR-5614

Sunlight Readable SKD kit
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