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Released on March 3rd, 2017, the Nintendo Switch is a handheld that can be played on the TV or on the go.

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Fixing the Nintendo Switch Dock (no signal/LED blinking)

Hi,

My Nintendo Switch is just over a year old now and out of warranty, and I'm having issues with my Nintendo-licenced dock. Basically, when I insert my Switch, the device charges and outputs a signal normally for a few seconds, then all power drops and the LED starts blinking on the dock.

I can charge my device by plugging it directly in the USB-C power brick.

As Nintendo recommends, I tried unplugging both the power and HDMI cables, waiting a few minutes, inserting the power cable back, then the HDMI cable, then the Switch, and while this solution worked last week when the issue first appeared, it no longer works now.

Here in Canada, Nintendo charges $100 + $10 shipping + tax for setting up a repair, or $75 + 7$ shipping + tax for a refurbished dock. If possible, I'd prefer reparing the dock myself.

Do you know what causes this issue and how to fix it?

Thanks!

Update (07/24/2018)

Just a quick update: my issue has shifted to something similar to this: Nintendo Switch not charging, USB-C port, BQ24193 or M92T36 chip?

I have replaced the Switch dock with another official dock, but I have not replaced the AC adapter. With this new official dock, I still get the blinking LED/no charging/no HDMI output issue. I can however charge my console by plugging it directly in the AC adapter.

This shows that the dock itself cannot be at fault, since the issue persists with another official dock. Two possible culprits remain: the AC adapter or the Switch itself. I will try to get my hands on another AC adapter and see if the issue is resolved.

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I bought an Insignia dock (AFAIK, the only dock that doesn't brick the console) as a replacement, and it works perfectly, which shows that the problem lies with the official dock. But even though the Insignia dock works, I would like to repair the official dock if possible.

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and, then again it may not be the dock after all.....

i had to do a factory reset on my tv and all is fine, hope this helps

cheers!

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What work for me was holding the power button for 15 seconds then try turning it back on after 1 minute. This forces the switch to turn off since his basically on sleep mode

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Thank you optimusxcrime Darkside! I struggled with this for an hour this morning before finding this thread. Doing a factory reset on my TV never would have occurred to me but it did indeed fix this problem for me. Thank you!!!

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It turns out that neither the dock nor the AC adapter were faulty, since they both worked fine with another Switch. My original Switch had a faulty USB-C port, which wouldn't connect properly to the cable unless I would wiggle the cable around, hoping for the connection to be made.

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Had the same problem I fixed it by flipping the USB type c in the dock over

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Hi!

Had the same problem…

Console would charge if connected directly to the charger, but in dock, it would only blink, no charging, no HDMI output.

Stupid as it sounds: carefully cleaning the contacts of both “DC in” as well as the dock connector inside the slot did the trick - suddenly the console would charge again and HDMI out would work again.

Hope that helps other folks with this problem…

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Little update: I changed both the console and the dock, and the new dock also has problems making a connection to the console. The new console properly charges with the AC Adapter directly plugged in, but I have to wiggle it a bit in the dock for the connection to be made. Definitely some quality assurance issues with the dock and the USB connector...

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Did you fix the issue?

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My dock ain’t charging and projecting on my TV, I tried to play on Thursday and ain’t working. I unplugged both cables as Nintendo suggests and nothing. Also I tried charging directly from the Type C cable from different power cores of the house and nothing. What can I do?

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I'm having sort of the same issue it's like the dock has just died, then I unplug the dock and plug it back in the the green LED light blinks then it's never to be seen again haha when I put the switch into the dock it then blinks again then nothing. I'm not sure if it's and dock or an adapter problem

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Update I fixed it, I held the power button in for around 15 to 20 seconds while it was in the dock I read that in this thread so thank you to the dude that added it in

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