Troubleshooting

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Can’t Install XCode 4.1 Because of iTunes? The Fix is to Kill iTunesHelper

Aug 2, 2011 - 28 Comments

Xcode 4.1 was made available as a free download through the Mac App Store for OS X Lion owners, but many users are encountering a strange error when they go to install the development suite; an error message pops up saying that XCode can’t be installed while iTunes is running telling you that “In order … Read More

WiFi Dropping in OS X Lion? Here are Some Wireless Troubleshooting Solutions

Jul 22, 2011 - 165 Comments
Fixes for OS X Lion wifi dropping

Updating to Mac OS X Lion for the vast majority of users is a painless experience and everything works great. But for others there can be trouble, there are various user reports in our comments and around the web on Apple’s Support forums and elsewhere, that suggest that wireless networking in OS X Lion is … Read More

Automatically Restart Your Mac if it Freezes in OS X Lion

Jul 19, 2011 - 24 Comments
Automatically restart Mac if freezes

Your Mac will automatically restart itself if it freezes, thanks to a new feature in OS X Mountain Lion and Mac OS X Lion. Tucked away in “Energy Saver”, the auto-restart ability is an option that can be disabled if for whatever reason you don’t want your Mac to basically fix itself in the event … Read More

Get Exact Boot, Sleep, and Wake Times from the Command Line

Jul 14, 2011 - 7 Comments

Need to know exactly when your Mac was last booted, put to sleep, or woke from sleep? You can get precise information about boot and sleep times directly from the command line, which can be invaluable for anything from troubleshooting various Mac problems to scheduling scripts, or even for your own forensic purposes to determine … Read More

Deleting the Mac OS X 10.7 Lion “Recovery HD” Partition

Jun 30, 2011 - 43 Comments
diskutil list

If you want to remove the Mac OS X 10.7 Lion “Recovery HD” partition, you’ll need to do a little bit of work because it’s a hidden partition. Hidden means it’s not just a matter of using your dual boot to go into 10.6 and then deleting it with Disk Utility. Quick side note for … Read More

Move Steam Games & Save Files to a New Hard Drive

Jun 18, 2011 - 8 Comments
Authorize a new computer with Steam to transfer saved game files

Have a Steam game library along with some save game files? Maybe you’d like to move those games and the gaming library to another hard drive or even another computer? Did you just get a new Mac? Maybe you upgraded your hard drive and went with a clean Mac OS X install, but you want … Read More

Mac Running Hot, Slow, & Fans Blazing After Installing OS X Lion? Here’s Why

Jun 9, 2011 - 39 Comments
Mac running hot because of MDS & mdworker

We’ve received a fair share of comments and emails about Mac OS X Lion making some Macs seem sluggish, running hotter than usual, and causing the machines fans to run at full speed. This sounded concerning, but after I went about installing Lion DP4 myself and looked into this a bit further I’m here to … Read More

Fix the App Store “MZFreeProductCode .ClientCannotRedeemIosApp_explanation” Promo Code Redemption Error

Jun 6, 2011 - Leave a Comment
Mac App Store promo code redemption error

One of our readers sent in this screenshot with a funny looking error code they got when trying to redeem a promo code on the App Store. It’s a sloppy error, spilling over the allocated space and dumping some object name or something onto the user. The error seen is “MZFreeProductCode.ClientCannotRedeemIosApp_explanation” and the assumption is … Read More

Ad Blockers for Chrome, Firefox, and Safari

May 10, 2011 - 19 Comments
Block Ads in Firefox, Chrome, and Safari

While some web ads are unobtrusive, others are really annoying. If you’re tired of seeing web ads, you can install adblock extensions in every major web browser and never see another ad again. Obligatory notice: blocking ads prevents web publishers from supporting themselves, ad revenue is what pays the bills for websites like this one … Read More

MemTest for Mac OS X Tests your RAM

May 3, 2011 - 55 Comments
MemTest for Mac

If you have recently upgraded your Mac RAM, or if you are experiencing strange system crashes, it’s a good idea to test your memory modules integrity using a free tool called memtest. Essentially, memtest is a utility designed to stress test RAM for errors. Without getting overly technical in the explanation, memtest works by writing … Read More

Show What Apps & Processes Are Using an Internet Connection via Command Line in Mac OS X

Apr 29, 2011 - 3 Comments
Mac Wi-Fi Tool

Much like you can monitor Mac OS X filesystem usage through the command line, you can also discover what apps and individual processes are currently using your Macs internet connection. This is a really handy trick if you know your bandwidth is being used by something, or if you’re just trying to track down what … Read More

Change the Admin Password with Mac OS X Single User Mode

Apr 25, 2011 - 65 Comments
Change Unknown Admin Password in Mac OS X

If you’re in IT, or just fixing Grandmas Mac, it’s not too uncommon to get a machine where you don’t have the admin users password. If you find yourself in this situation, you can easily change the Admin password, or any other users, simply by booting into Mac OS X‘s command line Single User Mode. … Read More

Follow System & Kernel Logs from Command Line in Mac OS X

Apr 20, 2011 - 1 Comment
Mac OS X Console Logs from Command Line

If you’re troubleshooting some of the more difficult problems that you can have on a Mac, a good place to look are the System & Kernel Logs contained within Console app. But you can access the same OS X logs from the Terminal too.

How I Fixed my MacBook Air 11.6″ Wake From Sleep Problems

Apr 5, 2011 - 27 Comments

After a bit of use, my MacBook Air 11.6″ started to exhibit a strange behavior, it refused to wake from sleep. I’d open the MacBook Air, hit every key imaginable, and the Mac just stayed asleep, nothing would get it to turn on. If you’re interested in this you’re probably affected too so before I … Read More

Fix the “Cannot Connect to App Store” Error Message in Mac App Store

Apr 4, 2011 - 48 Comments

If you’re trying to access the Mac App Store and you are getting the “Cannot Connect to App Store” error, you can typically resolve the issue with a few simple troubleshooting steps. This article will walk through some simple solutions to reconnect to the Mac App Store.

Boot into Mac OS X Verbose Mode

Mar 31, 2011 - 4 Comments

Booting a Mac with Verbose Mode can be a helpful troubleshooting trick for some obscure situations where users are trying to determine what is going wrong with a Mac during the system boot process. Just as it sounds, verbose mode is verbose, meaning it lists everything going on behind the scenes, and you’ll watch as … Read More

LetterBox for Mac OS X 10.6.7 Fixed

Mar 22, 2011 - 6 Comments

LetterBox is a very popular plugin for Mac OS X Mail.app that gives you a nice widescreen interface. Unfortunately it seems like every other Mac OS X system update screws up LetterBox compatibility, and 10.6.7 is no different. Thankfully the LetterBox developer is quick to react, and a fixed version for Mac OS X 10.6.7 … Read More

How to Reformat an iPad

Mar 15, 2011 - 20 Comments
iPad Pro

Want to erase and reformat an iPad? If you recently upgraded to a new iPad and you’re either selling or passing along your old iPad, you’ll want to reformat the iPad before sending it off to live with it’s new owner so that none of your personal stuff is on the device. There are two … Read More

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