You will need to remove your drive from your console to replace the laser. We strongly suggest that you work in an area that is very well lit and is free from any chance of static. The power cord should be removed and there should be no disc in the reader. Our friends at llama.com have a pictorial for disassembly. Once you get the top 2 covers off, the drive is easily removed from the console. First we need to remove the top cover. Flip your drive so the bottom is facing you and remove the 5 screws and 3 flanges. Note that there are 2 small silver screws on the top with a flange on the top right. Note that there are 3 black screws on the bottom with flanges on the left and right. Do not swap the locations of the silver and black screws when you put your drive back together. Flip the drive over and gently lift the cover at the rear of the drive about 1 1/2 inches and slide it toward the front of the drive until the prongs clear underneath then lift up. Be very careful not to scratch the circuit board on the bottom.
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After the top cover has been removed, remove the 5 screws.
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Position the drive so the disc input slot is on your left. VERY GENTLY lift the top up and flip it as shown. VERY GENTLY peel off the black tape from the back of the laser. There is a very thin snap lock holding the laser ribbon cable in place, VERY GENTLY lift it up to free the cable. When you are replacing the black tape of the laser, make sure that it covers the snap lock. This ensures that the cable will not come loose during play.
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Remove the 2 black screws from the sheet metal braces.
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Slide a small screwdriver or dental pick under the brace that is covering the guide rail. GENTLY lift up on the brace. It will pop off. Do the same to the other brace. The guide rail and laser are now free to remove. When you are replacing the braces, align the holes on the outside edge of the brace with the small posts on the drive frame. Press down on the brace at the holes and the opposite end at the guide rail. It will snap back on. If you are having a problem reseating the braces, go to the last picture and directions for an alternative.
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Flip the laser over and remove the black screw to remove the guide arm and put it on your new laser.
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If you are having a problem reseating the braces, the issue is with the pressure applied to the guide rail by the slanted arm on the brace. To ease the pressure, VERY SLIGHTLY lift up on the slanted arm and try reseating the brace. Repeat this process until the brace is reseated. If you notice any issues reading discs, the guide arm may not be seated firmly under the brace so you may need to reverse this procedure so that the slanted arm is applying more pressure on the guide rail.
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PS3 KES-400A LASER ONLY 