One or more keys fell off the laptop keyboard and you are not sure how to put them back? Don’t worry, most likely you can fix the keyboard and it’s not necessary to buy a new one. There is no universal repair guide because all keyboards are different. Here’s what I usually do in this case.
Situation 1. The key cap and key retainer fell off the keyboard and you cannot figure out how to assemble them back.

Laptop key fell off

Missing a key? Find a new one at LaptopKey.com

 

Carefully remove the cap from any other working key so the key retainer stays connected to the keyboard.

Remove key cap


Take a closer look at the key retainer, it’s connected to the keyboard at four different points.Assemble the key

Assemble the disconnected retainer the same way as one on the keyboard and put it back in place.Install the key

Put the key cap on the retainer and snap the cap back in place.Snap key cap

Situation 2. The key fell off the keyboard and you lost the cap or the retainer. In this case you can purchase a single key here, just search for it. (Search examples: “Dell keyboard key”, “Toshiba keyboard key”, “HP keyboard key”, etc… )
After you found a new key, put it back in place the same way as I described in the situation 1.

Installing the space bar key.

The space bar key is connected to the keyboard a little bit differently then any other key.

Space bar key fell off

There is a metal retainer connected to the space bar key (on some keyboard models). Separate the retainer from the space bar key with a flathead screwdriver.

Remove metal retainer

Install the retainer back in place as it shown on the picture. You have to engage the retainer with the small hooks on the keyboard.

Connect retainer to keyboard

Put the space bar key back in place and gently press on it with fingers until it snaps back in place.

Connect space bar

That’s it. The space bar key is installed back in place and should work as before. If you still cannot fix your keyboard, then you’ll have to find a new one and replace it.

Here’s another technique you can use to fix a broken keyboard key.

As you see on the picture below the keyboard is missing the U key. The key cap, retainer and even silicone membrane were lost. Let’s see if it’s possible to temporarily fix the U key without buying any spare parts.

Personally, I cannot use keyboard without U key but I can live without a key located on the side from the right ALT, I’m not even sure what this key does. In the following guide I will remove the useless key and install it in the place of missing U.

Keyboard missing one key

Carefully remove the key cap with your fingers.

Remove key cap

Remove the retainer. The retainer has two pieces connected to each other. If one piece got disconnected from the other, connect them back together.

Remove key retainer

The silicon membrane is glued to the keyboard. Very very slowly separate the membrane from the keyboard with a sharp knife. While creating this disassembly guide I damaged one membrane because I wasn’t careful enough.
Again, you have to be very careful removing the membrane.
If you damage the membrane you’ll end up with two broken keys instead of just one.

Key membrane

The silicon membrane has been removed.

Key membrane removed

Now apply some superglue on the bottom edge of the membrane, just enough to keep the membrane in the place.

Apply super glue

Carefully place the membrane in the center of the U. Make sure the membrane is positioned correctly. Wait until the glue cures.

Install key membrane

Install the retainer.

Install key retainer

Position the key cap above the retainer. Gently press on the key cap until it clips in and connects to the retainer.

Position key cap

Now you can use the U key again.

Keyboard is fixed

 

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1,041 Responses to “A key fell off the laptop keyboard. Fixing the problem.”

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  1. 750
    Anna Says:

    i have acer aspire 5020 and my space key is broke the lil keyretainers where do i get new 1s

  2. 749
    justin Says:

    thank you so much! i thought i was a goner

  3. 748
    Paul Kern Says:

    Your instructions worked Great, and fixed in 5 minutes! Thanks!

    I had this problem with my IBM laptop from work a year ago. The Desktop Support guy at work said to call IBM support, who sent me a new keyboard and we replaced the whole thing. If I had found your site then I could have saved a whole lot of time (and expense to IBM :-)

    Much Appreciated!

  4. 747
    Teresa Says:

    I have an acer notebook and the home key came off. The little brace piece isnt a full square, one wall isnt there (supposed to be that way) I dont see any way on here to get it back on. Help please

  5. 746
    cj2600 Says:

    jordan,

    i have the tosihba satalite L300 and on the letter a part of the clip has broken of and they say you need to buy a full keyboard not just the letter a and it donsent come under warnntry so it is £30 at pc world and at toshiba it is 35 pounds just to deliver it there what can i do i still have the letter a

    You can disassemble another key you don’t use, for example the right ALT key and install it instead of A key.

  6. 745
    helpful hint Says:

    also. the little tabs on the side of the inner piece. they need to be inside the little groove for them. if not the key will not snap on correctly

  7. 744
    jordan Says:

    i have the tosihba satalite L300 and on the letter a part of the clip has broken of and they say you need to buy a full keyboard not just the letter a and it donsent come under warnntry so it is £30 at pc world and at toshiba it is 35 pounds just to deliver it there what can i do i still have the letter a

  8. 743
    Maggi Says:

    My kid popped out 2 of the keys…Thanks for u guys! I replaced within couple of mins!

  9. 742
    deathactually Says:

    Apologies for what turned out to be sheer graffiti!
    the point is the hook coes up out of the computer base and bends towards space, and the thin part must be so that it is on the bottome with the empty space on top so that he hook which is a bit ‘fat’ can hook over it.
    Do the bottom of the retainer first while bending it and then flatten it and snap the top two on

  10. 741
    deathactually Says:

    I also have an Acer -Aspire 5610z mae sure you position the key correctly – it has go to frther down the keyboard (towards ) than you thinkand try to get all four to click in at once. Also EVERYBODY note that the key retainer’s middle part at the bottom has a thick and a thin side – the thin side ofthe holes has to be on top in order for the hooks to fit over the clip

    front on thin part at bottom of hole thin side up
    _ _
    ||_ _||
    || ||
    || ||
    ||—||

    cross section thin part at bottom
    ||
    into computer <–||
    -||\ |</ <– it goes up and then bends towards space

    Apart from this wow!! eally good wouldn’t have known what to do
    Cheers!

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