Keeping your Mac and WoW purring good.

Mac Technical Support
Hey, Tony Mac here...

Just wanted to create a another forum post about general upkeep for your Mac, so that we can reference it. These are some things you can do to keep your Mac running good and up to date and why it's important

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A. Repair Disk Permissions

This scans the Mac and reset all Apple-originated installer applications and items. While this will not check WoW, many times installing different 3rd party software, inconsistent system maintenance/bad software updates and etc can alter Apple applications and items permissions, causing WoW not to work. This will check the .bom (bill of materials, which is created when the Apple Installer runs) and if the permission is different, it resets it to that. Some third party software does use the, so it will reset it to file. However, WoW isn't not one of those apps.

Please use the steps below to repair file permission settings on the hard drive.
    1. Navigate to /Applications/Utilities/ and open Disk Utility
    2. Select the hard drive the game is installed on
    3. Select the First Aid option
    4. Click on the Repair Disk Permissions button
B. fsck via Safeboot/Repair Disk

Power outages, hard restarts, and system crashes can lead to disk directory corruption, requiring the use fsck/Repair Disk to correct such. fsck/Repair Disk verifies and, if problems are found, corrects issues with the directory on a disk or volume.

The directory is analogous to a combined address book and road map to where data is stored on a disk or volume. A volume, also known as a partition, is section of a physical hard disk which, from the perspective of the operating system, works like a separate disk. All hard disks have one or more volumes or partitions.

fsck via Safe Boot
To start up into Safe Mode (to Safe Boot), do this:
    1. Be sure your Mac is shut down.
    2. Press the power button.
    3. Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
    4. Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
    5. Let the progress bar finish.
    6. To leave Safe Mode, restart the computer normally, without holding any keys during startup.

This procedure invokes what Apple calls a "Safe Boot": and your Mac will report that it has been booted (started up) into Safe Boot mode. During startup in Safe Boot mode your Mac will do a file system check, entirely in the background, with no working status indicated, or report generated, and any problems will automatically be repaired.

During startup in Mac OS X v10.4 or later, you will see "Safe Boot" on the login window, which appears even if you normally log in automatically.


Instead you may prefer to check your hard drive, and repair any problems, by using the method outlined below. The advantage of using the method outlined below is that both a working status indicator, and a report, are generated. The disadvantage is that you will have to have, and start up from, your OS X Installer CD-ROM.

Repair Directory Procedure
    1. Start from your Mac OS X Install disc: Insert the installation disc, then restart the computer while holding the C key.
    2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu. (In Mac OS X 10.4 or later, you must select your language first.)
    Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.
    3. Click the First Aid tab.
    4. Click the disclosure triangle to the left of the hard drive icon to display the names of your hard disk volumes and partitions.
    5. Select your Mac OS X volume.
    6. Click Repair. Disk Utility checks and repairs the disk.
    **Always start up your computer from an Install or Restore disc when using Disk Utility to verify or repair your startup volume. Otherwise, you might see some disk error messages.**
C. Reset UI/Folder Permissions

Often enough, when WoW messes up, first place is to look at resetting these. Sometimes the files in these folders get corrupt, causing issues like weird displays, black screens, connection issues, performance and other issues. This is the actual first troubleshooting steps in many cases, and can solve many issues.

Reset the permissions on your World of Warcraft folder:
    1. Select the World of Warcraft folder
    2. Press Command + I
    3. In the Info box, go to the Sharing & Permissions section and click on the lock and unlock it, entering your admin password when prompted.
    4. Make sure you have Read & Write permissions
    5. Click on the Burst icon (cog wheel) and select Apply to enclosed items

Reset the temp files:
    1. Navigate to /Applications/World of Warcraft/
    2. Delete the Cache folder.
    3. Move Interface and WTF to the Desktop.
    4. Launch WoW.
D. Keeping your OS X up to date

If you do not regularly run software updates, you will not get the latest drivers, security, system updates that can correct various issues for your OS X and our games. Some features for our games require certain updates to be applied before they can run. We recommend Combo updates if possible when troubleshooting issues.

There are 3 different ways to update your OS. Software Updates, Delta Updates, and Combo Updates. I recommend the Combo Update, even if you are already at the latest version.

Software Updates

Software updates are run through the Apple Software Updater. This basically grabs the necessary files to get you to the next level. This is the most common update that users do. Software Update will only give you the files your system needs to be updated, then if you have experienced a problem with an update and need to reapply it, Software Update will read your system as already being updated and will not provide you with any more options.

Delta Updates

This differs from Software Update, which will tailor its updates for your specific system and update you to the latest version regardless of what your current configuration is. While Software Update may seem more practical in this respect, the Delta updater includes all the files needed to update any Mac from the prior version to the one represented by the updater. This will not check past OS updates for errors and corruption, though.

Combo Updates
  • Leopard (10.5.8):
  • Snow Leopard (10.6.8):
  • Lion (10.7.2):

  • This is different than the standard Software Updates you get from Apple. Regular software updates can sometimes miss installing certain files (like drivers) when updating, be corrupt, or miss critical updates. Software updates also only get you only to the next update (i.e. 10.6.4 to 10.6.5). Combo updates all previous versions no matter what part of the OS version you are on (i.e. 10.6.3 can Combo update to 10.6.8). This also checks all the previous versions of the OS updates, and reinstall all files. This is useful when troubleshooting crashes due to drivers, or also restoring lost performance due to back updates.
    E. Resetting your SMC

    Often overlooked, the SMC (System Management Controller) can be one of the most resourceful tools to be used. The SMC controls low-level functions such as airport, keyboard lighting, and other smaller items. HOWEVER, most people don't know that this also resets the voltage on all components inside, including the GPU. This can fix FPS issues. Also if you done a software update, and notice your keyboard isn't lighting or your Airport (wifi) is not working, the SMC can fix these since those functions are controlled by the SMC.

    Resetting the SMC on Macs with removable battery.
      1. Shut down the computer.
      2. Disconnect the MagSafe power adapter from the computer, if it's connected.
      3. Remove the battery.
      4. Press and hold the power button for 5 seconds.
      5. Release the power button.
      6. Reconnect the battery and MagSafe power adapter.
      7. Press the power button to turn on the computer.

    Resetting the SMC on Macs with built-in battery.
      1. Shut down the computer.
      2. Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
      3. On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
      4. Release all the keys and the power button at the same time.
      5. Press the power button to turn on the computer. Note: The LED on the MagSafe power adapter does not change states or temporarily turn-off when you reset the SMC.

    Resetting the SMC on Desktop Macs.
      1. Shut down the computer.
      2. Unplug the computer's power cord.
      3. Press and hold the power button for 5 seconds.
      4. Release the power button.
      5. Attach the computers power cable.
      6. Press the power button to turn on the computer.
    F. Powercycling Network Devices

    A lot of times, connections issues can stem from this. If you haven't powercycled your hardware in awhile, it can cause latency issues, or connection issues. Routers will not broadcast, or modems itself may cache a bad DNS. This is one of the first steps to use when troubleshooting a connection issue.

    Powercycle your network devices.

      1. Unplug your modem and router (if you have one.)
      2. Let them set for 30-60 seconds.
      3. Plug them back in modem first, then the router.
      4. Reboot your computer.
    G. Making sure World of Warcraft Launcher is up to date

    Another vital part of WoW to check for performance issues is to see if your launcher is truly up to date.

    Checking the WoW Launcher
      1. Open the World of Warcraft Launcher from the dock or from /Applications/World of Warcraft.
      2. When the launcher loads, check for any messages you may see.
      3. If you see that WoW is downloading or "Applying Non-critical updates", please do NOT hit "Play"until you see "World of Warcraft is up to date" next to it.

    When WoW is still downloading or applying non-critical updates, this can lower performance, as it is still streaming data, or caching files, which can affect performance.

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