Wii U Stuck on Logo

ChefVortivask

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Hello everyone,

First time poster here. I decided to make this post since I am having issues with my Wii U. Currently, my Wii U will not boot up to the main menu. It stays stuck on the Wii U logo indefinitely.

There are a few things to note about my console. The console is the black 32 gb model. I believe it was bought during the 2012 holiday season (release) as we were expecting to play Pikmin 3 before it got delayed. The system has never been modded in any fashion. It was not the most heavily played console, and I can't even give a good estimate of when it was last used (at least more than 3 years).

I have already tried doing the UDPIH, however it does not seem to be working. When using the second recovery menu, I get a white screen with some blue lines (see attached image). I believe this is similar to what @fadafwet described in his post. I was able to get the logs from the system, which I have attached to this post. Any idea what the issue may be and how to fix it? Any help would be much appreciated.
 

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ChefVortivask

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I guess it was nothing then, but at least I learned something. It’s possible that CMD0 was sent out, but I may not have had the vertical scale set properly or it was just really fast.

What about the signals on the DAT lines? Are those expected as well?
 

ChefVortivask

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So since there’s no card to shake hands with, I would guess that there shouldn’t be anything on the DAT lines. I did notice however that if I tried probing DAT0 and DAT1, but not CLK (no probes connected), the signal looks far weaker than it does if I also probe CLK. There’s still a little something there, but not much (in the picture, DAT1 is yellow and DAT0 is cyan). Is it possible that the oscilloscope is giving a sort of false positive and the host controller sees the oscilloscope as a card? Even if that were the case, I don’t understand where the DAT signals are coming from other than the eMMC. I guess it’s also possible that since the signals are relatively weak that they’re negligible, maybe even small signals matter.
 

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ChefVortivask

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So at this point, I’m thinking I should probably pivot away from trying to have a working MLC and just use the SATA adapter and hard drive in place of the disc drive. As much as I want to keep the disc drive, it seems like we’ve pretty much exhausted all options at this point, aside from the LVS card, but even that isn’t guaranteed to work.

I figure that if I want a Wii U with a disc drive, I can buy one for cheap. It could have a bad disc drive for all I care as I can use the one I have. It could also have a bad eMMC because assuming the controller isn’t bad, it should be an easy fix with the NAND-AID.
 

SDIO

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You would either need defuse or ISFShax for rednand. You can install ISFShax from defuse, by launching the installer from minute (just skip the exploit thing in the ISFShax guide).

I attached a experimental wafel_core, which should support redNAND, even if the real mlc is not present. You should be able to follow the redNAND guide with that.
Keep in mind this is experimental, and it might wipe your SD or corrupt data on it.
 

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