Computer help forum: Need help ASAP.. Got a laptop backlight problem

by: TLEJ January 26, 2013 6:48 PM PST

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Need help ASAP.. Got a laptop backlight problem

by TLEJ - 1/26/13 6:48 PM

This is ridiculous.. I've got an Asus U56E that I was replacing the screen in. The screen was cracked, but the backlight still lit up. So, I order a new screen, put it in, and its fixed!.... a few moments later, the screen just goes dark!.. The backlight had cut out.. So I plug in an external monitor via VGA, and it comes up on the monitor and everything is fine.. So I go to inspect what could of just possibly happened. I notice a blown fuse close to the spot where the screen connects to the motherboard, and I also notice a small hole in the tape wrapped around the screen connector cord which looks like it had a torn wire. So I order a new board, and new screen cable (and at this point, there's nothing else to replace? right?) and the problem is still there!... No back light!.. What could it BE!??!?! Iv'e tested BOTH screens in another Asus machine and they work PERFECTLY! .. no problems!.. But if I test them back in the original Asus, I get NOTHING!... How is this possible?!?! I've checked the fuse on the new board, and it's fine!.. This honestly makes no sense... It's almost like something needs to be configured in the Bios somewhere, but there's nothing remotely close besides flashing it... How could this be?!?

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