Keyboard and trackpad not working

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MacBook Pro 15" Retina Display Mid 2015

2.2 GHz (Turbo Boost up to 3.4 GHz), 2.5 GHz (Turbo Boost up to 3.7 GHz), or 2.8 GHz (Turbo Boost up to 4.0 GHz) quad-core Intel Core i7 processor with 6 MB shared L3 cache.

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Lexie @lexie5041

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Опубликовано: 19 мая 2020 г.

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Keyboard and trackpad not working

I was using my computer, took a break to do something else, and went to open it back up and suddenly the trackpad was very delayed and and keyboard wasn’t working so I reset it (using the power button) and now the trackpads not working at all along with the keyboard

I tried to troubleshoot it and attempted to do a SMC reset but any time I click/hold the power button it turns on right away and I can’t go through all of the steps for that.

the thing is is that whenever I try to move the trackpad or push a key the blinker for the type indication delays as if it’s taking a second to process something and then doesn’t (other wise it blinks at a regular consistent speed). Also after a bit it’ll tell me there’s no keyboard connected and nothing happens.

I don’t think it’s directly related but I’m gonna mention it just in case it could be. A week ago I did replace the battery using a kit I bought on here. Expect the thing is is I haven’t had any issue relating to the keyboard or the mouse since the issue earlier today already mentioned so I don’t think it has anything to do with that. Seen below is photo of battery data but I’m pretty sure that’s installed fine I just mentioned it as a passable cause.

This image came up and from what I got from it is that I need to bring it to apple to fix stuff. Slightly related to this point will apple take my MacBook if I tried to fix it on my own because as I said I did replace the battery and I know some companies say you’re on your own after that

https://imgur.com/a/Yfo9DHF

Отвечено! Посмотреть ответ У меня та же проблема

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See if you can use either a USB or Bluetooth keyboard and mouse to get control over your system. You'll likely need to check the battery using this gem of an app CoconutBattery take a snapshot of the apps window and post it here Adding images to an existing question

19 мая 2020 г. из Dan

Okay using a mouse and a keyboard I was able to log into the computer and use it. Note it is also acting much slower then normal. I update it and then after that I check if their was a virus and there’s still no response from the built in keyboard or the trackpad. I checked the battery health and it says it’s fine but I attached the photo anyways. What should I try next to fix it?

20 мая 2020 г. из Lexie

Good! Lets see if we can run the onboard diagnostics. Restart the system and press the D key to enter. Did you get any errors?

20 мая 2020 г. из Dan

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Ben @benjamen50

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Mtwo Perform

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Опубликовано: 20 мая 2020 г.

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Try getting the trackpad cable replaced. The part is relatively cheap and easy to replace.

That cable is very common to go bad on any MacBook Pro model in 2015 due to the design where the cable can easily get damaged by debris due to the placement of it being on top of the battery and right under the removable bottom cover.

The trackpad cable has an I2C data line which has the data signal from the keyboard going to the trackpad first which goes through that cable, then back to the main board.

When that line is cut both the trackpad and keyboard (sometimes it's either or both) will not work.

And yes those errors are most likely related to trackpad cable too. Don't take it to apple yet until you've tried replacing the trackpad cable.

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actually I opened it back up and realized that trackpad cord wasn't pushed in all of the way and I pushed it back in and now it's working great. Thank you so much!!!!!

20 мая 2020 г. из Lexie

Nice! Glad you got it fixed.

20 мая 2020 г. из Ben

Mine still doesn't work for whatever reason any suggestions would be greatly appreiated; I purchased a new cable made sure it was connected properly... I can add pics if that helps.. I tried pressing the D key while resetting and nothing happened as far as an error code etc. oh if this helps I did replace a extanded battery so I did remove the cable and it still work after replacing the battery cable but I ordered a new one thinking I may have damaged it when changing out the battery and when I use an external mac keyboard and mouse via USB port it work perfectly fine. just doesn't work in the existing keypad and keyboard built in.

1 мая 2021 г. из Casey Borody

I am also having the same issue. Did you find an answer for this? I replaced keyboard still not working.

16 сен 2023 г. из Dinesh

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See if you can use either a USB or Bluetooth keyboard and mouse to get control over your system. You'll likely need to check the battery using this gem of an app CoconutBattery take a snapshot of the apps window and post it here Adding images to an existing question — Dan
Okay using a mouse and a keyboard I was able to log into the computer and use it. Note it is also acting much slower then normal. I update it and then after that I check if their was a virus and there’s still no response from the built in keyboard or the trackpad. I checked the battery health and it says it’s fine but I attached the photo anyways. What should I try next to fix it? — Lexie
Good! Lets see if we can run the onboard diagnostics. Restart the system and press the D key to enter. Did you get any errors? — Dan
actually I opened it back up and realized that trackpad cord wasn't pushed in all of the way and I pushed it back in and now it's working great. Thank you so much!!!!! — Lexie
Mine still doesn't work for whatever reason any suggestions would be greatly appreiated; I purchased a new cable made sure it was connected properly... I can add pics if that helps.. I tried pressing the D key while resetting and nothing happened as far as an error code etc. oh if this helps I did replace a extanded battery so I did remove the cable and it still work after replacing the battery cable but I ordered a new one thinking I may have damaged it when changing out the battery and when I use an external mac keyboard and mouse via USB port it work perfectly fine. just doesn't work in the existing keypad and keyboard built in. — Casey Borody
I am also having the same issue. Did you find an answer for this? I replaced keyboard still not working. — Dinesh

MacBook Pro 15" Retina Display Mid 2015

Keyboard and trackpad not working

Update (05/19/2020)

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