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Display problem Acer Aspire 5630
The display on my 5630 is dim - not completely dark but probably only about
30 to 40% as bright as it used to be. Having googled for what causes dim and dark displays in laptop screens (after making sure it wasn't the lid close switch) I decided to go for the cheapest things first, so I bought a brand new inverter board. Although it's definitely the right one, it's actually worse than the existing inverter in that it strobes a bit. Doesn't do anything for my problem - the screen is neither brighter nor darker, just a bit stroboscopic. Hmm ... So, I then buy a secondhand (but guaranteed tested and working) video cable from Ebay and replace that. Still no change - the screen is still as dim, whether used with new or old inverter. Hmm again ... Oh, at this point I should say that I've checked the voltage between pin 1 of the inverter input and ground (which, I believe, should roughly be between 10 and 20 volts) and got 19.36V - so we know that the inverter is getting the correct feed from the mobo. I then look at changing the CCFL backlight tube but (a) can't find one and (b) even if I could, I've read many horror stories of breaking the LCD panel whilst trying to change the tube, so I decide to bite the bullet and buy a whole new LCD panel because they come with a new tube already in them - and I might as well upgrade from the old matte screen to a new glossy one if I'm going to do this ) Guess what? Yep, you guessed right - still fekkin' faulty!! Display is still only at about 30 to 40% brightness - and that's with any combination of new/old video cable and new/old inverter. Any other ideas folks? TIA John |
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