My bluetooth connect stopped when I updated the software on Mac. I have been using a corded mouse for several months. Is there a way to fix the "Mac Bluetooth not available" issue?
You could get the Bluetooth error when you try to visit Bluetooth menu on your Mac, especially after you update to a new OS X say Yosemite. Other users report that a random disappearance of Bluetooth functionality. This could be annoying. Good news is that after investigating for some time, we find that the "Bluetooth: Not Available" error could be easily solved with a few operations. You just need to abandon the Bluetooth preferences and pairing your device to Mac again. Sometimes a hardware specific SMC reset may be necessary as well.
In this method, you'll need to delete the Bluetooth plist file and have the Mac create a new one.
This could efficiently fix the Bluetooth error if the error is caused by a corrupted plist file. When you turn on your Mac, the Bluetooth should now be working just fine. If so, you can check for other knowledge about Mac like 6 Amazing Tips for You to Use Macbook Pro.
If not, you can try the next step to reset the Mac SMC.
Resetting the System Management Controller dumps many core hardware settings and power functions. This usually works to resolve some of the random hardware issues that can pop up on all sorts of Macs.
Steps for resetting the SMC is slightly different for different Macs, thus the MacBook, MacBook Air, Macbook Pro, iMac, and Mac Mini all have slight variations to complete the process. You can go to Apple's Support page on Resetting the System Management Controller (SMC) and do as what Apple tells you.