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发布于2017年3月3日,任天堂 Switch 是一款可以在电视和路上玩的掌机。

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Switch stuck at boot, but charges fine.

Hello everyone,

Essentially my switch is stuck at boot on the switch logo. This happened after it froze on a blank screen for the first time (white with a slight orangy tint) while waking it up from sleep while docked using the Joy-Cons.

I’ve never used any third-party dock or charger, no water, no falls.

Could this be a hardware issue?

Initially I thought so because of the similarity to the dock issues, but after running some tests (see below) I thought it might be software related. Fixing the software didn’t help either though, so I’m still not sure what the issue is.

Symptoms:

  • Switch is stuck on boot at switch logo.
  • Joy-Cons sync up immediately when powered on.
  • Charging via official charger works.
  • While docked the green light quickly flashes and then stays dark. No HDMI output, built-in screen remains on.
  • Screen, Joy-Cons, Touchscreen, Sound, USB-C port, SD-card reader, etc. all works.

What I've tried:

(Basic)
  • Hard reset via power button
  • Completely discharging and recharging it
  • Entering recovery mode -> not possible, since it gets stuck on switch logo before
  • Entering safe mode -> this is actually possible but it doesn't seem to do anything (the square rotates but the progress bar stays empty for hours)
(Hardware)
  • Opening it up and checking for shorts on some of the capacitors (especially charging ICs) -> nothing
(Software)

Note that I only starting messing with the software after it bricked to diagnose and fix the issue.

  • RCM mode, payloads, and custom bootloader work fine.
  • Full NAND backup/restore works.
  • CFWs do not boot! They are stuck at the same place as the OFW.
  • Linux with Retroarch boots and works flawlessly as far as I could tell from a quick test.

At this point I'm thinking the hardware is fine, and it's just the OS that messed itself up somehow and since the CFWs are more like patches than independent firmwares, it makes sense that they would be affected as well. So

  • I flashed two different official firmware versions (6.1 and 5.1) using ChoiDuJour (PC) thinking that would fix it, but neither of them were able to get past the switch logo either.

Sorry for the long post and thanks for reading this far!

Edit: formatting & picture, as per suggestion

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This is 10/10 perfectly formatted question. Good job!

完成的

I got the same problem but mine will load just Nintendo screen then goes black i can boot to rcm an run android not any ofw cfw

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I actually have an update on this, and I’m fairly convinced the wifi chip (BCM4356XKUBG) is at fault.

I realized that I couldn’t detect any wifi networks or that straight up no wifi-capable device was recognized in Ubuntu/Lakka/LineageOS. Other users confirmed that the wifi chip could be responsible for preventing the Switch from booting. I think that maybe the solder connections are actually the problem, and not necessarily the chip itself, as many users have reported the problem to be intermittent. So a reflow, reball, or worst-case a replacement, of the chip should fix the issue.

I haven’t actually attempted a fix myself, as after leaving it on the shelf for 2 months or so it now magically started working again! And indeed Linux is now able to detect wifi networks. I’m guessing the SwitchOS attempts to communicate with the chip during bootup, and if that fails gets stuck somehow, while Linux doesn’t do this.

PS: For anyone interested, i actually found a stencil to reball this chip (Wylie WL-50, https://www.aliexpress.com/item/40002277...).

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I wanna ask a cellphone repair shop to do a reball on the wifi chip. Any idea on what they should charge for the service?

完成的

Hmm I'm not sure about the pricing, but reballing is quite a tedious process and it's probably cheaper to just ask them to replace the chip, which come pre-balled from the factory and can be had for a couple of dollars.

完成的

Thank you for great thread and answers!

完成的

Glad this has helped you! Note that new wifi chips apparently do not function with the switch, but salvaged ones do (if a replacement is required).

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Good to know.

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I, have the exact same problem, and pass throw the exact same test, Android won't detect any wifi device, after a wifi ic reflow, Android detects wifi and Nintendo switch boot normally!! Also as an extra I add a thermal pad from a dead PS3 to the wifi ic, for extra heat dissipation and pressure

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I forgot to tell you:

I reballed and installed the WiFi chip from a donor-board and the switch has worked normally ever since.

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Hey David i got the Same Error.

i found a way to get the Switch Back Running by letting the Battery dry and waiting for 1-2 days. Sometimes after that i can use her again but the error comes back after a restart or eventully in the Sleepmode.

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I have the same problem. I only have to wait about 24 hours, then it will load past the Switch logo and I can play games. I don’t have to let the battery die. I assume the switch must stop trying to use WiFi after something close to the 24-hour mark, but I would get the error and it would freeze up again if I put it to sleep or rebooted it. I finally just put mine in airplane mode and now I don’t have a problem at all (other than I can’t use WiFi). I still get error messages when I boot it up telling me there is a problem (mostly saying the WiFi is off), but I can just skip past them and play a game like normal.

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Reballed the wifi-chip. Still doesnt work.

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Has anyone tried using LAN cable to solve this issue? Or does LAN use the same chip?

完成的

my friend has this broblem with his old switch, if he tries to boot it up even with a lan connection it still doesnt boot up, seams like the switch checks for every component, and if the wifi chip isnt there or not working, it fails to boot up

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David 将永远感激不已
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