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Djair Guilherme编辑

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[* black] This problem has already happened in many electronic devices in my home, almost every year. The solution is simple: to dismantle the machine completely and remove all traces of soil, ants and dirt.
[* black] Researching a little on Google, I found the repair manual of the Sony Vaio VGN FE31Z at this address: http://www.givemefile.net/smanuals/notebooks/sony/vgn-fe31z.html
[* black] Procedures carefully dismantling the equipment until the LCD. While performing this procedure, I noticed that the ants began to move from side to side, Laptop Keyboard leaving and entering the LCD.
[* black] The ants have focused on two points: the LVDS and backlight ballast.
[* black] I removed all electrical parts and proceeded to clean all plastic casing of the laptop, with water and detergent. While the coating was dry, I used isopropyl alcohol to clean the traces of soil. I applied a clean contact solution and the other in LVDS connectors.
[* black] I mounted the LCD, putting a little poison for ants to prevent future infestations.

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