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. If you need to change the MTU size on a Mac, you can do … Read More
Retrieving a list of preferred wireless networks can be helpful when troubleshooting wi-fi problems, amongst other reasons too. If you’re looking to print out a list of wi-fi networks the Mac has used as preferred and connected to before, the following trick will do just that!
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 have discussed the powerful new Wi-Fi Scanner tool in OS X 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 excellent wi-fi diagnostics app on a Mac at any … 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 native and already powerful Wi-Fi Diagnostics Tool in Mac OS X got a redesign in modern versions of Mac OS X, and with it came some new features that make the utility 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 … 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 with your Mac, there are two easy ways to check Bluetooth signal strength in OS X. Using the Bluetooth signal data, you can then make adjustments accordingly to improve the … Read More
Certain Wi-Fi networks require clients to use static IP addresses or manual DHCP information in order for a device to connect properly to that network. Adjusting the iPhone, iPad, or iPod touch to use a static IP address or manual DHCP settings is easy in iOS, here’s how you can do it with any version … Read More
Annoyed by those persistent wi-fi network popups that show up on the iPhone or iPad screen every time a wireless network is in range? You can disable the wi-fi joining alerts completely by preventing the iPhone from searching for unknown networks. This works on the iPhone, iPad, and iPod touch the same way, and it … Read More
A long hidden airport command line utility buried deep in Mac OS X can be used to scan for and find available wireless networks. This powerful tool is very helpful for network admins and systems administrators, but it’s handy for the average user to help discover nearby wi-fi routers as well.
Did you know you can turn your Mac into a wireless access point by using Internet Sharing? Internet Sharing works for nearly all versions of Mac OS X, from 10.6, to OS X 10.7 Lion, 10.8 Mountain Lion, OS X Mavericks, and beyond, and with internet sharing enabled, your internet connected Mac will broadcast a … Read More
Wi-Fi Diagnostics is an incredibly useful utility to troubleshoot and optimize any wireless network and the signal strength of computers that are connecting to it. This utility first came bundled in Mac OS X Lion and works with all wireless routers and not only the Apple branded ones, meaning you can improve the performance of … Read More
We’ve published a variety of fixes for wireless connections dropping in Lion, and even a keepalive script that helps many users maintain a connection in some of the stubborn cases, but some Mac OS X Lion users continue to have problems with their internet connection failing. After diagnosing another MacBook with wireless stability problems post-Lion, … Read More
By far one of the best features of iOS is wireless syncing and backing up, as the name implies it allows you to wirelessly transfer apps, music, books, contacts, calendars, movies, photos, everything you had to use a wired sync for, but it’s done through the air. As long as your iPhone, iPad, or iPod … Read More
The easiest way to retrieve a routers IP address from a Mac is by going through System Preferences in Mac OS X. This is much the same way that you get your Macs IP address, but the router IP is a few steps further within preference menus.
