Note: After numerous attempts to fix the butterfly keyboard issues - they even launched a dedicated Keyboard Service Program at some point - Apple eventually decided to discontinue butterfly keyboards in 2019, switching to the scissor-switch-based Magic Keyboard.Įven with the new keyboard, there could be problems, though. If even one spec of dust gets under a key and into the mechanism, it can lead to problems like a key repeating, sticking, or not registering hits at all. Unfortunately, the butterfly keyboard is very fragile. Whereas most keyboards’ scissor mechanism provides tension on keys so that they click back into place once you finish typing, Apple designed a minimal switch as slim and elegant as a butterfly - hence the name. This particularly relates to the older butterfly keyboards.Įver wondered how Apple laptops are so slim? Part of that used to be the butterfly keyboard mechanism. Lots of users have experienced issues with their MacBook Air and MacBook Pro keyboards at least once. Hold them for 10 seconds.Try free Reasons why MacBook keyboard stops working After it shuts down, press the Shift, Control, and Option keys along with the on/off button at the same time.Earlier MacBooks without a removable battery Hold down the on/off button for about 5 seconds.ģ. Earlier MacBooks with a removable battery

After it shuts down, press and hold the on/off button.Ģ.

Here is what Apple recommends for each system. The steps to reset the SMC on your computer will be different based on which model of MacBook you own. If your Mac shuts down unexpectedly, first boot it up and perform a full restart to make sure all the programs have a chance to close properly. Fans running at high speeds, your computer working abnormally slowly or not recognizing external devices, and battery charging issues are all signs that an SMC reset is in order.īefore you go on to perform any operations, keep in mind that hard shutdowns are not healthy for your computer. Because it is such an integral part of the computer’s inner working, it can also be the cause of a wide range of problems. Things like button presses, battery management, and indicators as well as other low-level functions all run through the SMC.

Intel-based Mac computers have a chip called the System Management Controller which governs many functions on the device.

Macbook pro 3 beeps without opening up