Question about Computers & Internet
To isolate your laptop problem, first thing you should do is use an external monitor to check if the video chip is OK. You need to press Fn + F4 or F5, F6 depends on your laptop model to activate the display on your external monitor. If your laptop works fine with the external monitor, then your laptop LCD or the inverter(small board that controls the voltage that is sent to the LCDs backlight) went bad.
Inverters is the problem that is easy to fix, you just have to get the correct inverter for your laptop model and your problem is fixed. One way to test inverter is to check it with voltage meter if it is giving the correct voltage.
To check your LCD, use a flashlight. Shine it to your LCD, if you see a faint image then in most cases it is the backlight that needs to be replaced. If you don't see an image even when shining the flashlight then it is most likely the inverter and it should be an easy fix.
Posted on Jul 18, 2013
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Posted on Jan 02, 2017
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