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R400 Very loose fn key

R400/R500 series specific matters only
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a'kin
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Joined: Fri Jun 20, 2014 10:35 am
Location: Slatina, RO

R400 Very loose fn key

#1 Post by a'kin » Wed Apr 01, 2015 5:43 am

The key just unclips itself. I've also put the alt key there and it's steady, so I think it's because of the small things that clips into the holder.
Is there anything I can do other than buy a new key?
Here's what it looks like:
http://i.imgur.com/mcIK0em.jpg?1
http://i.imgur.com/BrhT3jC.jpg?1
R400 7439-WN4 | 6GB RAM | 128GB OCZ Vector SSD

bit_twiddler
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Re: R400 Very loose fn key

#2 Post by bit_twiddler » Wed Apr 01, 2015 9:43 am

As long as nothing is broken (I can't tell from the pictures), you can replace it.
Here is a pretty good video:

https://www.youtube.com/watch?v=EU-iMa4WbZw

It helps if you figure out which way the key goes on in advance
and mark it underneath to keep from getting confused.
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Re: R400 Very loose fn key

#3 Post by rkawakami » Wed Apr 01, 2015 1:26 pm

If it turns out that one or more pieces is broken, you can buy a single keycap and pantograph assembly from various eBay sellers. I found this one with a simple search of "(lenovo,thinkpad) r400 (key,keycap)": http://www.ebay.com/itm/160831662375
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a'kin
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Joined: Fri Jun 20, 2014 10:35 am
Location: Slatina, RO

Re: R400 Very loose fn key

#4 Post by a'kin » Thu Apr 02, 2015 4:21 am

I'm really at a loss right now. I've tried to swap the menu key with the fn, and it stays in place (the menu key), but fn still moves. The I tried to swap it with right ctrl and both stay steady in place. What's the reason for this?
R400 7439-WN4 | 6GB RAM | 128GB OCZ Vector SSD

Neil
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Re: R400 Very loose fn key

#5 Post by Neil » Thu Apr 02, 2015 6:55 am

There are some tiny tabs on the underside of the key caps, that snap onto the hinge assembly. Maybe, one or more of those tabs is broken off of the keys that don't firmly stay attached to the hinge.
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jaspen-meyer
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Re: R400 Very loose fn key

#6 Post by jaspen-meyer » Tue Dec 08, 2015 8:02 pm

You can change your keymap.
This way you can stop using the broken Fn key and set another key on the keyboard to work as the Fn key.
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