It's usually called Apple HHD or Apple SSD or something similar. Also, check System Preferences > Language & Text > Text to see if there are any substitutions that could be causing problems. Performing a factory reset on your MacBook or Mac can solve many macOS problems, and is essential if you're selling. On mine I don't really pay attention to the keyboard light, but it seems to be on when I need it and off when I don't. Steps to Reset Mac to Factory Settings: Turn off your Mac completely. There is actually no evidence that the Apple Bluetooth Keyboard even supports a reset function. If you’re trying to light up the keyboard on your Mac or turn up the level and get a message or logo saying keyboard lighting is locked, it may be that the light sensor has picked up a bright light somewhere in the room. Before you can reset your SMC, you must shut down your Mac. Step #3. This will launch System Configuration. Reset your wireless keyboard. My name is Dave Meehan. NB: Any USB keyboard or mouse can be used if you need to workaround any part of these instructions that requires a functional keyboard or mouse. Hold down the Command and R keys on the keyboard and turn on the Mac. You can now release the power button, type the pairing code on the keyboard and then press return. This can be big issue in large offices – perhaps IT took your old machine away, gave you a new one, and then reissued your old machine to someone else, perhaps even on an adjacent floor. Power on your Macbook, Macbook Pro, Mac Mini or other OS X computer. Just because during pairing on an Apple keyboard you type a pairing code onto the keyboard doesn’t mean the keyboard remembers that – it only needs to pass it to the host during the pairing to confirm that you have the correct physical keyboard, in case there are others nearby also in pairing mode. Hold down the Shift and Option keys (‘Alt’ on some keyboards) and at the same time click on the Bluetooth icon in the menu bar. Select the keyboard you want to see. Unfortunately you do need to identify any other paired machines, as you can’t tell the keyboard to forget the pairing that is stored on the old machine. No problem — click here and here for more Mac tips! Make sure the Keyboard tab is selected, then click the Modifier Keys button. Open the System Preferences window and head to the Keyboard section. Get free tips, how-tos and deals from here’s the thing delivered straight to your inbox each week. The following instructions are fairly generic, but were written relating to the “Apple Wireless Keyboard” from 2009 and 2011 (Use this to help you identify your model). Type MSCONFIG and click OK. You can also try attempting connection to another device (iPhone for example) just to prove whether the keys actually work.