MTU stands for Maximum Transmission Unit, and a larger MTU size generally increases efficiency of a network connection because each packet carries more data, but sometimes the default MTU sizes (often 1500) will cause issues with some networks and needs adjusting. Changing the MTU size has been a solution to some dropping wi-fi connections in … Read More
Retrieving a list of preferred wireless networks can be helpful when troubleshooting wi-fi problems. The following trick will do just that, and it’s similar to a tip we covered recently which showed how to see a list of previously connected wi-fi networks using either System Preferences or a lengthy command line string, but as far … Read More
Knowing which wireless networks a Mac has been connected to in the past be can be helpful for a variety of reasons, including network troubleshooting, determining where a Mac has been, if a specific wifi password is recoverable, and a myriad of other technical reasons. Searching for past networks is completely different from finding currently … Read More
Apple has released iOS 6.0.2, a minor version release with a major fix aimed at iPhone 5 and iPad Mini users who have experienced problematic wi-fi connections with the devices. The changelog for the 6.0.2 update says the update includes improvements and bug fixes, but only lists “Fixes a bug that could impact Wi-Fi” in … Read More
Some iPhone 5 users are experiencing a variety of issues with wifi on the device, almost always revolving around inconsistently slow wireless connections. If you’re having this problem, you’re not alone, and the good news is you can almost certainly get an immediate improvement by setting manual DNS on the device. Fixing Slow iPhone 5 … Read More
We recently discussed the powerful new Wi-Fi Scanner tool in OS X Mountain Lion but it turns out there’s a much easier way to access the Wi-Fi Diagnostics app than to dig around in /System/Library/CoreServices/ and make a Dock or LaunchPad alias. Instead, you can quickly launch the wi-fi app at any time just by … Read More
OS X Mountain Lion has been a painless upgrade for most users, but there are a fair amount of people experiencing some unusual wireless connectivity problems and issues. Mainly, the wi-fi connection seems to drop at random, or the Mac simply won’t stay connected to a wireless network for long. Sometimes it automatically reconnects and … Read More
The already powerful Wi-Fi Diagnostics Tool in Mac OS X got a redesign in Mountain Lion and with it came some new features that make it better than ever. One of the best new additions is the built-in Wi-Fi scanner tool, which is a full-featured wifi stumbler to find and discover nearby Wi-Fi networks – … Read More
Open Wi-Fi networks are everywhere, if you’re stationed in an area with tons of them you’ll probably want to prioritize your own network to be the top wireless network to join so you don’t accidentally end up on someone elses unsecured network. Prioritizing is also a good idea if you use Personal Hotspot in public … Read More
If your Bluetooth device connections seem flakey, or if your Apple wireless keyboard or Magic Mouse isn’t as responsive as you think it should be, there’s an easy way to check Bluetooth signal strength and then make adjustments accordingly. Open System Preferences from the Apple menu and click “Bluetooth” Press and hold the Option … Read More
