Keyboard Lag after Big Sur

I am experiencing issues with my keyboard after updating to Big Sur yesterday, it seems to have mind of it's own, typing anything is a challenge as I have to recheck every key stroke, and it seems to effect every key randomly even the space bar!...is anyone experiencing anything similar?

MacBook Pro 13″, macOS 11.0

Posted on Nov 13, 2020 1:26 PM

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Posted on Nov 13, 2020 1:41 PM

papouspavlos wrote:

I am experiencing issues with my keyboard after updating to Big Sur yesterday, it seems to have mind of it's own, typing anything is a challenge as I have to recheck every key stroke, and it seems to effect every key randomly even the space bar!...is anyone experiencing anything similar?



What exact Mac is this?


Internal keyboard / external keyboard?


Have you rebooted?


have you tried resetting NVRAM/PRAM hthttp://support.apple.com/kb/ht1379 ?



Try a SafeBoot https://support.apple.com/en-us/HT201262

Takes noticeable longer to get to the login screen, does a 5-15 minute disk repair before it fully boots up, and certain system caches get cleared and rebuilt, including dynamic loader cache, etc. Login and test. Reboot and test as caches get rebuilt.


In Safe mode third party system modifications and system accelerations are disabled, it removes malware, etc hampering smooth operation, however a reboot will put it back to normal mode.



30 replies

Dec 12, 2020 5:43 AM in response to LeniNeto

I guess we have to wait for the next OS release hoping it will address the problem. In the meantime i am also trying to figure out why starting up my iMac is like -> i go make my coffee, bake cookies and still the desktop icons isn't there....And that on an iMac (Retina 4K, 21.5-inch, 2017) purchased in March 2018 with 3.6 GHz Quad-Core Intel Core i7, 32 GB 2400 MHz DDR4, and Radeon Pro 560 4 GB( Fusion Drive 1TB) I did try all resets, reboots etc. but nothing helped and all that once i upgraded to Big Sur. If the next OS release doesn't fix the problem i guess i just have to clean instal Big Sur.. and thought the PC world had such issues....

Nov 18, 2020 9:11 PM in response to LeniNeto

I spoke to soon....I spent 2 hours with apple yesterday, and while grateful to have the help, I still have the same issue...what I've noticed is that, whichever screen I am working (or viewing) there is a "fade in fade out" every 10 seconds..even the apple techie could see this live, every time I happen to be typing during the "fade out" phase, the key does not register....so I have to go back checking all my entries, I's driving me nuts! The apple techie got me to reinstall Big Sur...no change the intermittent fade is still there...so back to apple again...if you have a touch bar on your mac this is very obvious as every ten seconds it will switch off and then switch back on!!!

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Keyboard Lag after Big Sur

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