Want to improve the Wi-Fi connection of your Mac? This post tells you how to find the best Wi-Fi channel with Wireless Diagnostics in Mac OS X and improve Wi-Fi connection.
Many users discovered some peculiar behavior with Finder after upgrading to Mac OS X 10.9 Mavericks: Finder becomes extremely sluggish and slow when in use, even when doing just about anything. Here are solutions for you to fix Finder slowness.
The Bluetooth on your Mac is not functioning well or not available? You can fix this by delete Bluetooth plist file or reset System Management Controller. Just use steps in this post to fix your "Mac Bluetooth not available" issue.