Question about Toshiba Satellite LP154W01 Notebook
I have a Dell laptop with an LG Phillips LP154W01 15.4" LCD screen. It is displaying an unstable picture; a ribbonlike area across the bottom of the screen. The rest of the display seems fine but when I touch or squeeze the screen the problem blinks erraticly and uneven, which comes and goes. It was dropped so I'm not sure if it needs replacement or if something came loose and is repairable. Thank you.
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Posted on Jan 02, 2017
Tips for a great answer:
Several things can cause your Dell Latittude D600 laptop's LCD screen to stop working.
Two of the most common causes relate directly to the inverter board and the backlight lamp.
The inverter board is a thin circuit board placed inside the LCD panel.
It's main function is to transfer power from the motherboard to the backlight bulb inside the LCD screen.
If the inverter board goes bad or the backlight lamp burns out, the screen will appear dim or eventually go completely black.
Turn off the laptop, unplug the power cable, close the LCD panel and place the laptop face down.
Remove the battery pack from its compartment on the bottom of the computer.
Flip the laptop back over and reopen the display panel all the way until it is in a 180-degree position.
Insert a flat head screwdriver into the right side of the keyboard bezel.
This is the plastic strip situated above the top row of keyboard keys. Carefully pry the bezel from the laptop.
Remove the two Phillips screws located above the top row of keyboard keys.
Grasp the top edge of the keyboard, tilt it upward and lay the keyboard face down on the palm rest area.
Unplug the keyboard's ribbon cable from the motherboard connector.
Carefully remove the entire keyboard from the laptop.
Disconnect the video and speaker cables extending from either side of the LCD panel to the motherboard.
Loosen the Phillips head screws on each LCD panel hinge.
Carefully lift the entire LCD panel off the laptop's base.
Relocate the panel to a flat work surface, and place the panel so the screen is facing upward.
Use a thin, flat head screwdriver to pry the rubber screw covers from the LCD panel's front plastic cover.
Remove the Phillips head screws revealed by the rubber covers.
Carefully remove the front plastic cover from the display panel.
Locate the inverter board situated below the LCD screen, inside the bottom edge of the display panel.
Disconnect the two cables from each end of the inverter.
Remove the two Phillips head screws fastening the inverter to the display panel.
Carefully lift the inverter board out of the display panel, and dispose of it.
Repeat this procedure in reverse to install the new inverter board, and reassemble the laptop.
Hope this helps
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