MacBook Air 13", Keyboard and Trackpad wont work anymore. Any suggestions?

Hey my new Macbook Air 13" 1,8Ghz had a defect with the keyboard and trackpad. None of these input devices can work, therefore i am not able to logon to my system. Has anyone similar problems, or a solution for my problem?

This is not likely to be an issue with the OS version - if the keyboard and trackpad are both inoverative, there isn't a setting or system property in Lion that could cause it.
I would try an SMC reset - it's detailed in http://support.apple.com/kb/HT3964?viewlocale=en_US&locale=en_US but the procedure for a macBook Air is:
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.
If that doesn't help, and given the lack of responsiveness from the keyboard it may not, and assuming the laptop was bought through an authorised Apple reseller, the warraty should be valid and is worldwide, so it should be possible to have it examined by Apple or an Approved Service Provider in her area.

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Mid 2011 Macbook Air - Yosemite keyboard and trackpad stopped working, the only button that worked was the power button, only one USB port works.

I have a Mid 2011 Macbook Air.
Upgraded to Yosemite last week.
Three days ago I was using my Macbook Air for the first time since upgrading to Yosemite. I had been using my Macbook Air for approximately 30 minutes, I was using safari and the keyboard and trackpad stopped working (would not respond). The only button that worked was the power button.
I rebooted and they were still not working. I plugged in a USB mouse and external USB keyboard, only one USB port would work (the Left USB port if looking at the screen) so I had to swap between keyboard and mouse.
After logging in there is a bluetooth icon at the top of the screen with a sawtooth line through it. Bluetooth is unavailable and the bluetooth icon is missing from the system preferences menu.
If I run a hardware test by holding D (on USB keyboard) at startup it says that no problems are found and at the conclusion of the test the keyboard and trackpad start working again. When I log on the bluetooth is working again.
I shut down the Macbook Air and when I started it again the keyboard and trackpad and right side USB ports were all not working again. I logged in using the USB keyboard and mouse and the bluetooth not available sawtooth icon had returned.
I ran the hardware test again and at the conclusion of the test the trackpad and keyboard started working again.
I have tried deleting com.apple.Bluetooth.plist and com.apple.Bluetooth.plist.lockfile from /Library/Preferences/ and tried resetting SMC and Power Functions but this did not fix the issue. The only thing that seems to work is running a hardware test - obviously I don't want to do this every time I use the computer.
I do not believe any hardware is faulty/damaged - I think it has something to do with bluetooth/Yosemite.
I do not have the Macbook with me at the moment, if you have suggestions that I can try or additional checks/info you require please let me know and I can get back to you.
Thanks,
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Hi!
I have exactly the same problem, and I can't find any solution.
I can't even track down the root of the problem: the Bluetooth/Wifi module? The trackpad? The keyboard/top case? The logicboard?
I've tried all the usual: SMC/PRAM reset, clean install, kext cache clearing.
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Hi aaphillylawyer,
Welcome to Apple Support Communities.
The article linked below provides some general troubleshooting tips that may resolve the issue with the keyboard on the MacBook Air.
Mac OS X 10.6: If keys on your keyboard don’t work
http://support.apple.com/kb/PH6748
I hope this helps.
-Jason

MacBook keyboard and trackpad not working

Hi,
I have had my MacBook for about a month and it has been great. However yeasterday the keyboard and trackpad stoped working. I have been abble to use it with a usb keyboard and mouse, but obviously this is not a permanent solution. There seems to be no connection between the computer and the mouse. The lights on caplock and numlock don't work and in System Preferences> Keyboard and Mouse there is no trackpad option. I assume an internal connection has come appart but I don't want to open it up as I am not perticularly experienced in these maters.
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OK, I have had the same problem. I had a look on these forums, but the best thing to do is call Apple Support. They told me to do the following:
Unplug the mains adaptor
Remove battery
LEAVE the machine for like 50 seconds.
HOLD Power button for at least 5 seconds.
Install battery
Attach power adaptor
Before turning the machine back on, hold down: Option Key (Alt. with the switch symbol) Control (Apple symbol with square thingy) P and R.
While holding these press the power button, KEEP holding them, and the machine will restart again, chiming again, KEEP holding and the machine will restart a third time: on the THIRD restart and the THIRD chime, release the keys, and the login screen should come up, and machine should be OK.
This is what worked for me.
Incidentally, last night the machine stopped recognising the keyboard and trackpad, but responded with external devices, but this morning, it wouldn't even start. This solved both issues, it is so far working fine.

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*+System extention cannot be used+*
+The system extention "/system/library/extentions/IOUSBFamily.Kext" was installed improperly and cannot be used. Please try reinstalling it, or contact the products vendor for an update.+
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Hi
There are no many options which could solve this problem.
It can be a hardware problem or software related issue.
Can you use the internal keyboard within the BIOS?
Check this.
If this would not be possible, I assume the hardware is faulty.
Additionally I recommend testing the keyboard and touchpad using the factory settings.
Recover the notebook and check if the keyboard would functions. Otherwise you will need an helps from an notebook technician in order to replace the keyboard and touchpad

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This all started last weekend when I installed the latest updates from Apple. The reboot and startup went fine, and nothing happened for a couple of hours, but while I was reading on the Kindle app (fullscreen), the trackpad stopped working. The keyboard stopped working too. Only the power button worked.
Since I received both a Growler and Notification Alert while this was going on, I assume everything else in the background is working just fine, but the keyboard and trackpad simply are not working. I rebooted the machine and it was working just fine. I dismissed it as a one-off occurance.
However the same issue occured a few hours ago, this time with the Safari screen full-screen. Since I was home, I've added a regular USB keyboard and mice, and that's how I'm typing this out on my Macbook Air at the moment
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No one cared enough to answer.

Macbook pro Late 2011 13.3 inch i7 keyboard and trackpad not working bluetooth showing a cross sign and no usb mouse is detected. Almost dead keyboard and mouse. Earlier same problem used to be solved by opening the lower cover and closing it.

My macbook pro 13.3 inch i7 late 2011 edition has previously encountered unresponsive trackpad and keyboard. To solve that, I used to open the back cover and then close it. It has been working fine since that. Yesterday, same thing happened, this time I noticed that bluetooth icon is showing a cross sign across it and keyboard and trackpad were unesponsive. After some time , everything worked fine and bluetooth sign was back to normal. Then , suddenly it went back to the problem. I shut it down by holding the power button. When I booted it again, I could not login because keyboard and trackpad were not working. I attached a HP mouse it didnt work. I opened the back cover disconnected the battery and then connected it again, didnt worked. Since then , I have tried many things and nothing has solved the problem.

@sanjampet
As you suggested I reset the smc, in the first boot nothing worked. In the second boot, it all worked like a charm. I thought that my problem is resolved now. To test it, I shut it down properly. Next morning, I powered it on, all things i.e, keyboard, trackpad, bluetooth etc. worked and I thought that problem has been solved. When I was just going to visit apple forum to reply you, the same problem reappeared. A sawtooth cross over bluetooth icon, keyboard not working, trackpad not working,no usb mouse working which worked well when it was fine. I reset smc so many times again and again but same problem continued. Isn't it a problem of the firmware?
Next time when it will work, I will update its firmware.
My macbook was bought in dec2011 so no warranty now.

Macbook Pro Keyboard and Trackpad Not Working

few days ago, my Macbook Pro keyboard and trackpad started to act very oddly.
Basically, the keyboard doesn't work at all. I press down the keys, and all I get is that error message sound. The volume and display brightness keys seem to work, but almost all of the others just won't type anything. it-s like any key command or alt would stay pressed so when i click any key its trying to perform other function instead of just typing the letter. that-s probably the reason why the trackpad is also being very odd. When I first turn on the laptop, it seems to work as normal. I can click on an application, and it opens. But about one minute after the laptop first starts, it's like anywhere I click on the trackpad is a right-click. To open an application, I click like I normally would but instead of opening, a menu pops up as if I right-clicked. This happens in Finder and everywhere else that I've tested (for instance, I can't drag any Finder windows to different positions on the screen, because it acts as if I right-clicked instead of left-clicked), no matter whether I tap or click the trackpad.
I have reset my permissions, but that didn't fix anything. I verified the hard drive and it said there were no problems. A big issue is that I can't do anything that requires me to type in my password, since I can't type anything. I tried to reset the PRAM, but I don't think that it even registered me pressing the Command-Option-P-R keys when I booted up, so i just removed the battery for a while, i am not sure that did anything at all.
i tried to reinstall the os, i had mavericks and i installed a fresh mountain lion but the problem persists. i recently installed virtualbox and the keyboard seems to work right as long as i do not press any of the following keys command, alt, shift, etc.. if i press any of them same thing happens. i found that if i connect a usb keyboard everything works, but when i use the inbuilt keyboard the problem is back and a i have to connect disconnect the usb keyboard to be able to type or use the trackpad normally.
any help would be appreciated.
Thank you.

No one cared enough to answer.

Macbook Pro Keyboard and trackpad not working - SOLUTION!

Recently my Macbook Pro of 3 years suddenly stopped working -- or at least the keyboard and track pad did. I plugged in an external USB mouse and and keyboard and was able to use it but it was of course cumbersome. Thinking it was a software issue like the one that used to happen to my old G4 desktop I reinstalled the OS but this did nothing but cause a lot of extra work. After doing a lot of hours of research I finally began reading that people were finding a solution by replacing their "topcase" (the topcase includes the keyboard and trackpad). This is a $300 fix and not knowing if it would even work I didn't want to try it and be wrong!
To make a short story longer I found a website (which I have no affiliation with) called www.powerbookmedic.com who sold the cable only so you could do your own fix for about $35. They provide basic video but not an exact step by step to replace the actual cable -- just how to get to it.
I will warn you that the components are tiny and I recommend buying the Mac tool kit and pry tool to help you through it. Even so I broke a small component but luckily it still works. In the end I now have a working Macbook Pro and some extra tools for the next time. I stripped a screw so had to spend another $15 and buying anti-static tape, although not necessary might be a good idea. Total cost to me was about $60 with tools and everything.
It is not very hard to do the replacement but it is tricky because the components are so fragile and I did not have a video to properly describe how to open up connectors -- hence why I broke one. But if you are patient, savy and need to save a few bucks it can be done.
PS- I have rebuilt desktop Mac's before but this was the first time I ever opened up a laptop. I used the video's provided at http://www.powerbookmedic.com/ as much as allowed.
Good luck!

No one cared enough to answer.

Macbook Pro's keyboard and trackpad aren't functioning well, please help, thank you!

Dear Apple Support and Apple Communities,
hopefully this question will be easily understood and will be answered with answers that can help, useful and beneficial. I will explain the problem, story that I guess began the problem, specs and information of the Notebook and so on.
I love products produced by the brand, Apple, but they can get broken, ruined or destroyed. So, I do try my best to take care of devices that I have well. Although, my father bought a Macbook Pro last year, around November or December, 2013(I THINK). I don't think it's very old, maybe 3 - 5 months, but it should be in a good condition. I have dropped it many times, hopefully that won't effect the problem. Now, the problem, the Notebook is a beautiful device that I would love to keep using, but I don't really know how to use it properly and in the CORRECT/RIGHT/GOOD/SAFE way. If possible, can you list methods/ways to do those things? If so, thank you! Anyway, back to the topic, the Notebook's keyboard has a problem, some keys aren't responding, especially the alphabets/letters, I guess some other keys worked because I did the PRAM RESET. Anyway, the trackpad is also not functioning well, sometimes, when I right click the trackpad or when I click the entire surface with one finger(RIGHT CLICK OR SOMETHING ELSE), it would left click, I found a way to fix is, put the Notebook to sleep by closing the cover, hopefully that's alright. Anyway, it all began, I guess, when I was brushing my teeth. I dislike to waste time, so I used the Notebook and brushed my teeth simultaneously. I guess Saliva was being produced because of the acidic substance(TOOTHPASTE)? Anyway, my mouth had a lot of liquid in it, could have been Saliva, water and toothpaste. So, Physics, natural forces, Gravitational force occurred, some of the liquid left my mouth and onto the keyboard. I didn't panic because I think I heard that keyboard could not or did not suck in a lot of liquid, but I did clean it up. Anyway, the Notebook including the keyboard and trackpad were functioning like normal. I guess after three hours, something happened to the Notebook. I think I was using Safari in FULLSCREEN MODE and suddenly an application or software for another application appeared. It was requesting permission for an update, I think. I updated it and suddenly, the Notebook went haywire. Probably not immediately, but I guess the Notebook did go haywire. I tried searching for ways to fix it, but not much could fix or solve the problem. Hopefully your answer-s will fix or solve the problem, thank you.
Specs :
MacBook Pro
13-inch, Mid 2012
Processor 2.5 GHz Intel Core i5
Memory 4 GB 1600 MHz DDR3
Graphics Intel HD Graphics 4000 1024 MB
Serial Number (COULD BE DANGEROUS AND RISKY TO BE GIVEN)
Software OS X 10.9.2 (13C64)
Built-in Display
13-inch (1280 x 800)
Intel HD Graphics 4000 1024 MB graphics
Memory (4 GB)
The Mac contains 2 memory slots, each of which accepts
a 1600 MHz DDR3 memory module. All memory slots are currently in use.
INFORMATION
The Notebook has a few dents, I guess. I tried to open the keys to check for toothpaste or liquids. My brother told me that toothpaste is dense, probably the answer? My other brother told me that the keyboard and/or trackpad are/is "shocked"(LIQUID AND ELECTRICITY, NOT SUCH GOOD COMBINATIONS). Hopefully this is enough to be counted as detailed and informative. Thank you for your time! Take care!

Take it to an Apple Store for diagnosis and repair. This will not be free, dropping the Mac and dropping liquids on it are not covered by the warranty.

MacBook Air 13", Keyboard and Trackpad wont work anymore. Any suggestions?

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