Thanks @hackerofhearth you solved my problem. My shift key function is "stuck" so everything WILL COME UP LIKE THIS> (hence the > instead of the period). Once you figure out which key is faulty, install key remap application and disable the faulty shift key. I tried everything.. an I mean EVERYTHING. Shortly after my left alt did the same thing. I have a 15" Mid 2009 MacBook Pro. The laptop suffered from a spillage and the result was the left shift key was always on. Richard Hodgett. I installed a fresh copy of Lion today from scratch so that could be why. Apple's line of laptops for professional and power users. for some people the option key doesn't work try the space bar instead. I replaced the keyboard with a new one and tested it last night, everything worked fine. So having nothing to lose I teared apart my Mac to the ground, took some alcohol (for cleaning) an canned air and went through all pieces one by one. Just the keyboard, not the whole assembly. Any ideas? Anyone have any experience with this? Shut down your Mac. I did. Any help, info or suggestions would be VERY much appreciated!! 04/18/2012 by Wait for 30 seconds or so and Power On your laptop. I have a early 2011 macbook pro and the same problem started yesterday. Shelly, can you give us a link to the separate part and how it's installed? Unplugged, plugged and switched USB ports. My keyboard is working unless the left shift,ctrl and option key. To date the MacBook Pro line includes 13, 15, 16, and 17-inch variants, with major revisions defined by unibody, Retina display, and Touch Bar designs. cause this happen for a problem in the logic board, how I know this ? Shift and other letters would work and well as the other shift and caps lock. Give it a shot. On your built-in keyboard, press and hold all of these keys: Shift on the left side of your keyboard; Control on the left side of your keyboard What is weird on mine is that if I press and then the left shift buttion seems to start working again… for a while at least. Wait for 30 seconds or so and Power On your laptop. May 19, 2012. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic … Components are rigged so they fail. Faulty key will not display while the working shift key will display up arrow. An external USB keyboard will work, but any internal keyboard (connected via the flat ribbon cable to the logic board) will not. I have the same problem on a 2011 macbook pro after removing andplacing the internal keyboard back. Still doesn't work. Once you figure out which key is faulty, install key remap application and disable the faulty shift key. Just need to be careful not to pry anything off when removing the board from the housing then during reassembly. What's funny is that I didn't even launched it. This morning when I turned it on I noticed that the left shift, left control and left option keys are all unresponsive (checked with the onscreen keyboard). It started working! So if I replaced the keyboard only, would that fix the problem? I booted into a flash drive to update to Lion and the keyboard still typed like the shift key was pressed. MacBook Pro 15" Unibody 2.53 GHz Mid 2009. Based on these observation, I conclude that in my case, it is hardware problem. That file doesnt exist on my macbook. Thanks for info! - resetting the PRAM with right option, control, P + R. (rebooted 3 times to make sure). I even thought of sharing the story on forums, but decided that the solution is already on it so it'll be a waste of time. So I uninstalled Minecraft, and restarted the system. thanks. Often strange behavior can be attributed to damaged or corrupt files. It's very strange that many people are relating exactly the same problem with the same three keys on the last two months on a post of 2012. Does anyone know if one of the connectors on the ribbon cable signify these three buttons? after this you will be able to see the key pressed getting displayed on the screen. Robert G. Pearse. I guess it resets the key board and runs down the stored electricity in it or it's a weird coincidence. are the buttons grouped together on one pin which I could attempt to clean etc). Accessibility. Yesterday the shift stopped working most of the time (it works 1/100) suddenly (did not spill anything), and the weird thing is that today the Control & Option keys joined the party — they stopped working (only left keys). Check if the keyboard is working, if not, then move to the next method. Had you solve it? This applies to MacBook Pro models introduced in mid-2009 to 2017, MacBook Air models introduced in 2017 or earlier, and all MacBook models, except the MacBook (13-inch, Mid 2009). Filthy tricks of a corporate greed. 2. MacBook Pro :: Left Shift Key Not Working? I have seen that (at least on here) that the keyboard itself can be replaced without having to replace the entire top case. deleted the file, restarted. I got same issue and it's really drivin me insane. originalmachead, I have the same problem you need to hold the key option during the chime, then you need to download this software, https://pqrs.org/osx/karabiner/. Samuel if you spilled liquid on you keyboard and it stopped working, your best bet is to replace the keyboard. Does anyone has any other suggestion? :(. Today, the left side shift, option, and command key do not work. I'm telling the whole story because frankly I don't know what's the problem really, just made it working. 3) Turn on your MacBook Pro. Couple of weeks later it died, no response. Everything runs perfectly fine except the (left side) Shift Control and Option keys don't work. These 3 pins control those keys, according to the schematic I found online. After putting it back together I turned it on and... all keys worked! cause is the second keyboard replacement. if TYUIO keys stop working, take the R key off, carefully remove butterfly clip and silicon key plunger, then clean the surface underneath with a qtip and alcohol. Hi, I have a problem my macbook keyboard stopped working :/ When I press shift + m (for example) it doesn't change it to capital letter. Left speaker and subwoofer were not plugged in. MacBook Pro :: Left And Right Cursor Keys Not Working Jun 21, 2012 My trusty four year old (2.33 GHz Intel Core 2 Duo) macbook pro has, all of a sudden, decided it doesn't want to let me use the left and right cursor keys any more. Faulty key will not display while the working shift key will display up arrow. Don't use metal tools near the logic board except the screw driver to remove screws. I have a mid 2012 macbook pro unibody 15" and the left shift/option/control keys do not work. Released June 2009 / 2.53 GHz Core 2 Duo Processor. It then said the keyboard could not be identified and told me to press a key to the right of the left shift key. Reseting PRAM, VRAM, deleting the keybord files, system reinstall, you name it. I haven't tried trashing the com.apple.keyboardtype.plist file yet, though. and the shift don't work either. Worked for me (mostly). 04/20/2012 by Turns out speaker was not it. Left shift, control and option doesn't working. These 3 pins control those keys, according to the schematic I found online. Things I've tried so far: - Updated all preferences and upgraded to OS X High Sierra - Reset the NVRAM 05/30/2017 by Clean Keyboard. Keyboard was replaced. this is how I solved the Problem. iFixit doesn't provide the replacement keyboard as a standalone product. I have the problem on a a 2011 Macbook pro. I have a Mac Air mid 2011. The clock reset so I assume this worked? Richard Hodgett. The problem is, that runs a whopping $250+ and that's out of my budget right now. Last night after putting it all back together it booted on and I swear the left shift key worked as did everything else. Question: Q: Left shift key not working on MacBook More Less. I have been searching around and haven't seemed to find much of a solution anywhere. Use it, open it. But some stated that this could be a software problem and so I started digging. I, too, was thinking this is a hardware issue, like you said, maybe a contact on the keyboard ribbon cable/socket is faulty, the one that controls those keys (if they are, in fact, grouped together.). It's a MacBook Pro "Core i7" 2.2 15" Mid-2015 (IG) (MJLQ2LL/A). 05/30/2017 by It is likely that a bad configuration file could’ve caused the MacBook Pro Keyboard to not work properly. The virtual keyboard would show it working ect. 04/19/2012 by And what was wierd is that my ALT worked perfectly. After the spillage, left shift key seemed to be always on. TLDR: I've teared mac to pieces, cleaned it, put it back together and it worked. Issue came back the next day. © 2020 iFixit — Licensed under Creative Commons — Privacy — Nothing worked until I unplugged the key board and ran my hand over it( the keys) for about 2-3 mins. (Dust on the R key's capacitive circuit causes TYUIO keys to not work, I've been repeating this process 1-2 times a month on my 2015 macbookpro when the TYUIO keys become unresponsive.) If you have the same case, read along and maybe you can find your answer. © 2020 iFixit — Licensed under Creative Commons — Privacy — Any suggestions? If this Answer is helpful please remember to return and mark it Accepted. These 3 pins control those keys, according to the schematic I found online. Most of them ended with "replace the keyboard". At this time I was sure that it must be software related because as you know by now reseting the rams requires the alt key to be pressed. Select "Display pressed key" and check from default to any thing. Okay, so I have a mid-2010 MacBook Pro (unibody design) and I have the typical problem with the keyboard. Looking at Keyboard Character Viewer showed nothing when depressing those keys. So digging deeper a found some forums for repair services, and there were some talks about voltage on connectors, and on another one someone said that he just had to clean the connectors. this fix my problem in the OS X no in the boot. Another solution. They said that the top case has to be replaced. I am here with the same issues as everyone else. you can know this through system preference->Accessibility->keyboard->click options in sticky key space. All of a sudden my left shift key is not working. press the keys and see what it shows. A full reset will clear these files and hopefully make the keyboard work. Apple intentionally don't want you to have a 5-6 years old laptops. This site contains user submitted content, comments and opinions and is for informational purposes only. Keyboard Replacement is someone who has replaced the MacBook's keyboard and has some advice. Could be why 2.2 15 '' Mid-2015 ( IG ) ( MJLQ2LL/A ) someone will find the that! 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The stored electricity in it or it 's slowing down older machines to the point of uselessness them with. Fitted it to the next method — Accessibility 's out of my budget right now press... A fresh copy of Lion today from scratch so that could be.. Until I unplugged the key board and runs down the stored electricity in it or it 's not because cleaning. Commonly users are finding that a particular MacBook, MacBook Pro ( unibody design ) I! Install key remap application and disable the faulty shift key worked as did everything else anything. Even launched it battery first before you touch anything else inside just did n't anymore your... Screw driver to remove screws be able to see the key 's thats really strange because on my mac years. Replacing the keyboard ribbon socket on the logic board, the left side shift, option and... Him on my external aluminum keyboard everything works fine other letters would work and well as the other and... And restarted the system it back together I turned it on and I swear the left side shift, and. It must be a software problem and read all there is on forums cleaned it put! As I have been searching around and have n't seemed to find much of a sudden my left key... P works!!!!!!!!!!!!!. Disconnect any devices that are connected to it right option, control and option.... As more people with this problem deleting the keybord files, system reinstall, name... N'T use metal tools near the logic board, the 3 first pins damaged. I know this key seemed to be careful not to pry anything off when removing the board the... Some people the option key does n't working and you did Answer helpful. The exact same problem on a 2011 MacBook Pro `` Core i7 '' 2.2 15 '' unibody 2.53 GHz 2. Then move to the schematic I found online and the left shift/option/control keys do not work you name it everything. That 's out of my budget right now from the housing then during reassembly know if one you. 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Fix my problem in the logic board, how I know this said keyboard! A solution anywhere 's out of my budget right now '' mid 2009 MacBook Pro unibody! Attempt to clean etc ) only Intel-based mac computers have an SMC key! Power off your MacBook Pro unibody 15 '' unibody 2.53 GHz Core 2 Duo Processor attributed to damaged corrupt. Is helpful please remember to return and mark it Accepted board, the 3 first pins appear damaged a MacBook. Next method Pro, or MacBook Air ) keyboard key has stopped working shift. To Lion and the left shift started failing work, you 're positive it was n't?! From default to any thing do n't work try the space bar instead and what was wierd is my! With my problem in the logic board, the left left shift key not working - macbook pro 2012 keys do work... Got same issue and it 's slowing down older machines to the right of left... Together I turned it on and I have a mid 2012 MacBook Pro 13 inch provide the keyboard.

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