Something happened with the LCD backlight - the screen went black as I
was working on the computer - and i restarted and rebooted many times
but the screen was still black , but I could see a little bit - but it
is too dark. I called a computer guy yesterday to have a look at my
laptop .. but he said its a problem with the backlight
Hi.....It would appear your backlight has "blown" (it is just a thin,long bulb in the bottom of your screen)....It will need replacing ....Although you could purchase one yourself to fit it would be best to leave this job to a service engineer
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There are three possible cause why your monitor went black and start working..
1. If your monitor is dead set.. no reaction or lights turn on after power on.. then it needs to check if there is blown capacitor in its power supply section..
2. The high voltage ballast transformer of the backlight inverter is burned - it needs to be replaced so that it will not have a direct effect on the power supply section of the monitor.
3. The backlight inverters are all busted - the backlight was located at the upper and lower back edge of the monitor.. If these lights are busted then all that will be seen in your monitor is black screen.. It will need to be replaced so that image display will come out from your screen..
These 3 reason and its solutions can only be done by yourself if you have the knowledge, proper skills and the right tools to open the back cover of the monitor and replace the problem parts....
Otherwise, bring your monitor to a credible technician and if there is warranty,, avail of this...
it's probably a problem with the backlight or the backlight inverter... i had the same problem just a little while ago. If your electrical components savvy, you might be able to find the problem on the inverter (which is on the side of the monitor once you get inside). Otherwise look into replacing the bulbs (which are on the top and bottom)
You my friend have a bad backlight. Inside thes LCD monitors there a little tiny flourecnet lights that help the LCD project the images so that you can see what is being displayed. Sounds like your backlight has gone bad. These can be repaired, but can be costly! These things happen often times, 90% of the time I am replacing the backlights to various monitors. Sorry, but I am certain it is your backlight!
Backlight is torched, it happens without warning. These can be repaired, but finding the appropriate backlights, and trying to get this thing apart is a royal pain in the you know what! But your backlight has burned out! Sorry!