I opened up my Wii U system because it was intermittently not reading discs. I cleaned the laser with 91% ISO and now the system "sees" the disc, but after spinning the disc for 5+ seconds, it says "invalid disc." Tried with multiple known working games. Any ideas?
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Yes, you will have to swap the drive's logic board, as it is paired to the system's motherboard. Here is the guide for removing the disk drive: Sostituzione del Lettore DVD per Nintendo Wii U
However, it does not cover replacing the logic board. Just undo the screws holding the case together and seek out those internal parts. You may also want to reconsider just swapping the laser, as it may be cheaper.
Hope this helps!
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Hi, dismantle the set to the dvd drive.
Sostituzione del Lettore DVD per Nintendo Wii U
open up the the dvd drive carefully.
Inside there is a lens mechanism which you need to replace.
im not sure if there are different vendor lens or maker around but compare yours with the ebay one before purchasing.
ebay search: Nintendo Wii U lens
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I'm leaning towards replacing the whole optical drive. Does anyone know if I have to swap PCB from the old drive or just install the new one as-is?
from ebay, you need to open to the dvd casing way to the traverse mechanism and replace the lens from there. take note on the fragile parts, lvds cables and misc.
seems ifixit does not provide this step in the lens replacement guide, but read more on the sony playstation 3 bluray lens replacement for a idea on how to replace the laser part.
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You might have destroyed the lenses coating and it's focus by putting the alcohol on it. I would aim for a replacement of the optical disc unit.
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Thanks for the reply.
Would you recommend replacing the entire optical drive or would replacing the laser probably fix it? Anything to look out for regarding drive replacement (ex. pcb swap required?)
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The lens might be damaged... you might need to replace the lens.
ebay has a couple of lens replacement kit around.
da Augustine