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I tried some step.. to drain the power, putting the RAM to other ram outlet but still not working, I connect to other monitor and the screen is fine.. How will I know if inverter or backlight is bad before I purchase a parts?
you know what
you will loose the laptop nuts and test it with another same laptop
so that tou will know where the fault is from
again do your windows just yr windows is creating a problem for u more nothing
if u r getting this problem there is then there is more chances that ur laptop FL is not working, and if ur laptop FL is not working then u ll got this type of problem, and in this condition there is changes that ur screen cable or FL cable may also damage.
It's the LCD screen module that's fried ( its a small rectactagular module) which can be found under the sceeen when you open up the screen casing. You can replace it with a spare one or change it completely
http://laptoppartstore.weebly.com/replace--remove-dell-latitude-d620-d630-inverter.html
To make sure its not the driver boot from any live OS cd if it worked properly then you can get system fixed otherwise you have to replace the LCD as its back lights is damaged.
It seems like the back light has the problem. Replace those back light. Otherwise buy a new screen.
there is a problem in laptop LCD might be the LED light problem you must contact an hardware tech for its repair and maintenance.
