Wednesday, 12 December 2012

LAPTOPS


LAPTOPS

ACER BACKLIGHT INVERTER

Symptoms
Laptop powers on normally with no backlight.  Images may be seen by shining a flashlight at the screen.

Troubleshooting
Process of elimination starting with LCD panel and then inverter.  In this case inverter proved to be faulty.

Solution
Replace inverter board.

Precautions
Unplug from the mains and remove battery, because high voltage output from inverter.

Tools required
Philips screwdriver, plastic prying tool, container to keep screws etc, well lit and comfortable antistatic workspace.



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