Screen went dark!!! inverter or backlight?

Hello everyone,
I have a Toshiba satellite L500-02H I bought the laptop in Canada so the model might have a different name in the US. Needless to say my screen just went black all of a sudden and I can barely read anything on it, there's still an image but as I say I can barely see it, I read on this forum and in other articles online that the issue might be a defective inverter or that my backlight has stopped working, I looked on some online stores and each part is priced around 15 bucks, I've seen videos of how to replace the inverter and that seems relatively easy but when it comes down to the backlight it seems a little more complicated, I have contacted a few places where I live in order to see if they could fix the problem and most of them are telling me that I will need a new screen, so I was wondering would it be better to buy a new screen and replace it or should I go by purchasing the inverter and black light and try to replacing those.....I would also like to know if anyone would know the correct part numbers for the inverter, backlight and screen for my model of Toshiba.
Thank you,
Mannie

As an update, this problem became increasingly worse. Two days after the first incident, the computer wouldn't display anything at all. After repeated attempts to run hardware checks, boot into windows, reset the PRAM it finally turned on for 5 mins, only to flicker on and off repeatedly every 60 seconds or so. It then turned off and I haven't been able to get the display back since (except for about 1 second everytime it boots up on the blue mac screen)... The weirdest part seems to be that it accesses the CD/DVD drive all the time.
I have now taken the computer to the nearest apple outlet for help... I can't believe this is only 1 month old! (The DVD/CD player has been crashing frequently as well - originally I thought it was bad CDs, but now I'm not so sure)....

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Screen went dark!!! inverter or backlight?

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