How to troubleshoot and fix video problems. Here are some tips and tricks for troubleshooting and fixing laptop video problems. Video issues are very common within portable computers and with the following tips you should be able to detect and eliminate basic laptop video problems. Laptop LCD screen has a faint image. Look at the LCD screen very closely and check if you can see a faint image on the screen. Its possible that the LCD lid close switch stuck in the closed position and the backlight stays off even when you open the LCD screen or turn on the laptop. The switch turns off the backlight when you close the LCD display to save the laptop battery power. Check the LCD lid close switch. Usually it is a small plastic pin located close to the LCD hinges. Try to tap on the switch a few times to turn on the backlight. If after tapping on the LCD lid close switch the backlight stays on, you fixed the problem. It is also possible that after tapping on the LCD lid close switch the backlight works fine, you see a normal video on the screen for some time and then the backlight turns itself off again. In this case I would blame the FL inverter board. Try to reseat cables on both end of the FL inverter to make a better contact between the cables and the FL inverter board. If it doesnt help I would try to replace the FL inverter board. Hardware Type Laptop Devices Desktop, Workstation Servers Motherboards. Laptop LCD screen is solid white color. Most likely it is just a bad connection between the LCD display and the system board. The Laptop A T450s on loan from Lenovo. Its a nice machine. A really nice machine. I wouldnt quite call it an ultrabook, but its lighter and.
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September 2018
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