On bootup wireless keyboard is OK but the wireless mouse has no function for several minutes. This happened about twelve months ago and I read a post that suggested something in a USB port may be a problem. I removed an XSKey in a USB port that was used for Logic 7. The problem went away but has now returned. All USB ports free.
Any ideas?
Mac 27" 3.1 GHz Intel core i5 OS 10.8.5 (Mountain Lion).
iMac, Mac OS X (10.6.8)
What all 3rd party extentions are you running?
EtreCheck is a simple little app to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac.
http://www.etresoft.com/etrecheck
Amd/or...
Open console in Applications>Utilities, check the system log for the date/time of the last Startup for clues.
Click on the top line we want, Shift plus click on the bottom line we want, CMD+c to copy, then paste the text in a reply with CMD+v
A few dozen lines should be about right, hundreds or thousands won't likely be readable
Keyboard/Mouse – Troubleshooting Wireless
Bluetooth devices become unresponsive
Bluetooth Interference Sources
Bluetooth Interference Sources (2)
If your Wi-Fi is capable of generating a 5 GHz signal, try that.
Restart the computer holding down the command - option/alt - P - R keys before the gray screen appears. Continue to hold until you hear the startup chime for the second time.
No wireless mouse for several minutes after boot up
