I agree, it's a very risky procedure. I had a big flake of dust inside my 13" MacBook screen, that was driving me nuts. As it is an older model, and I have things set up so I can pop the same drive and boot my Hackintosh (as a backup), I thought I'd go for the surgery. It's not for the faint hearted. I disassembled things down to the "LCD Replacement" level, and got the LCD unit separated from the MacBook. (This alone isn't for the uninitiated.) Examining it with a flashlight, the problem was indeed inside the LCD unit. Feeling gutsy, I disassembled the LCD unit itself. Required careful removal of tape (including some metallic tape that no doubt served grounding purposes), and unhooking some catches around the edge of the metal bezel. Then I was able to lift the LCD glass, and see two clear matte sheets whose job was to diffuse the backlight. Under the second one, I found and dispersed the big fleck of dust. It took quite awhile, with bright lights in all directions, a HEPA air filter on high, and a lot of pa...