USB port 1 will not recognize a keyboard or a mouse
Hi,
I recently purchased a 2011 Mac Mini. Upon purchasing it, I was using a Logitech wireless keyboard and mouse combo with one of the mini receivers plugged into the first (far left) USB port on the back of the Mini. All worked fine, until I went to upgrade to an Apple wired keyboard.
I powered down the Mini, unplugged the Logitech receiver and plugged the Apple keyboard into the same port, and then powered back up. Upon reaching the Login screen, the keyboard was not responding to keystrokes at all, and no lights would come on for caps lock. I tried the second port, which happened to work just fine, as do the other two.
Now, no matter what I do, the system still thinks I have an unidentified keyboard attached and will not allow ANY other devices plugged into the first USB port to communicate with my Mini. Anything I plug into it only receives power through the port, no I/O can take place.
Is there something I'm overlooking here? Any help would be greatly appreciated. I have already tried plugging the Logitech receover back in, and lo and behold the Logitech keyboard and mouse will work on that port. I've tried taking the batteries out of the mouse and keyboard while the receiver is plugged in and the Mini is turned on. I've tried plugging in and then removing the receiver with the Mini on, and then using that port for the Apple keyboard... no luck.
Thanks in advance!
Chris
Did you turn Speakable Items Off?
System Preferences/Speech/Speech Recognition Turn if Off.
If that isn't the issue. Shut down your Mac. Disconnect your mouse and keyboard. Wait about 15 seconds. Reconnect the mouse and keyboard, then boot your Mac.
If that doesn't work, locate these files: com.apple.speech.prefs.plist and
com.apple.speech.recognition.prefs.plist
/Users/YourName/Library/Preferences. Drag those files from the Preferences folder to the Trash, empty the Trash and reboot.
Carolyn
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