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Nintendo handheld device released February 2011, identified by model number CTR-001.

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The 3DS' screens no longer show any picture--how to fix this?

Hey. I was following the Motherboard replacement and Upper LCD Replacement guides due to my girlfriend's sister's 3DS' notification light being broken. Having some experience with computers and studying over the guides, I figured what the issue was and decided to open it up and take care of it (considering most hardware issues just end up replacing the 3DS and take quite a while and the family really didn't want to deal with that).

I managed to get it fixed, however, it seems I messed something else up. The screens do not turn on. You can see the backlight and everything else plays perfectly--even for the fact that you can not see any picture on the Touch Screen or Upper Screen (besides the back light as previously mentioned).

Despite reopening it and putting it back together several times now (Following the ifixit guide precisely), I'm still not sure what I did wrong. This is the only issue.

The only thing I can think of is this little white ribbon cable security clamp, that when I looked up, said it was fine (as you had to remove it to do this) and could not be re-attached. Could this actually be the issue? If it is, is there anything I can use in replace of the white clamp? (Or does anyone know how I would go reattaching it?)

If it helps, this is a Pink 3DS. If anyone needs more information--please ask. I can't really think of anything else to add.

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I recently disassembled and reassembled my 3DS and noticed I had the same issue. After quite a bit of thinking I realized that I connected the ribbons that connect to your top LCD, in reverse. Instead of putting the gold-side up, I but the black-side up. I did that for both ribbons. Take a look back at your ribbons and see if that may be the issue.

Update

Block Image

The ribbon at the top right is what I was reffering to.

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Sadly, it looks like the ribbons are fine so no clue what the problem is still :(

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I similarly also did not connect the wifi board correctly. A hint was that it did not close correctly. I did not realize it initially, but I removed all of the connections that I had removed before and then reconnected them. Only then did I realize what my mistake was. Good luck.

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For me I found this related to the top lcd connector - I replaced this and it sorted the problem

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Where did you buy the top LCD Connector I'm trying to find one as well

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If you did not plug the network card in correctly. That will cause no boot. Also if you pinched the cable on top right for the LCD. That can cause problems like no screen, popping without booting up, and screen flashing without booting up. Finally make sure the LCD ribbon cables are straight and not tilted to one side, that would be a poor connection.

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