Be an Administrator Still no luck?
Open Users System Preference. For the name of the currently logged-in user, look in the Name column. Then check the Kind column see "Three of a Kind". If the Admin designation does not appear next to your name, you're not an administrator. There are some things an administrator can do that other users can't. For example, regular users can't add files to or remove them from the Applications folder. If you're an administrator and another user isn't for example, if your daughter has her own log-in on the home computer , you can opt to give that user administrator status as well.
To do this, highlight the user name and click on Edit User.
Prime examples are the files in the System Folder. If you try, for example, to move a file from the System Folder, you'll get a message such as "The operation cannot be completed because you do not have sufficient privileges for item or folder name " or "The item item name could not be moved because system cannot be modified. However, if you are an administrator and you want to modify the contents of the System Folder, you can do so by giving yourself root access.
There are several ways to accomplish this bit of OS X magic. Three of a Kind To make a user an administrator, select his name, click on Edit User, and choose the appropriate option. Root of the Matter To enable root access or disable it, if it's already been enabled , use NetInfo Manager. One method is to log in as the root user. Before you can do that, you have to set up a root account.
From there, select System Administrator Root from the pop-up menu that appears and establish a password. Once you've set up the account, restart as usual and enter the word root as your user name, along with the password you selected. You will then have access to nearly everything on the drive.
Be aware that logging in as root can be dangerous: It lets you launch an application that you couldn't otherwise launch or open documents that you couldn't otherwise open unless you had root access or went to the command line. To use it, simply drag onto the Pseudo icon any application you want to work with.
The program will open, prompting you for your admin password along the way. After entering the password, you'll have root access to the application and to any files you open from within it. This means that you can use TextEdit to open documents such as preferences files in the System Folder or even in OS X's invisible Unix directories; you would otherwise be prohibited from opening them. How often do you get an e-mail attachment--a picture from your parents' trip to the Grand Canyon, say--and find that double-clicking on it sends your Mac into a confused search for an application that can display it?
When you double-click on a document icon in Mac OS X, the file should automatically open in an appropriate application--typically the one that created it. But OS X may sometimes open the wrong application or even claim that no application is available to open the document. Here's how to avoid that problem:. Update to the latest version of Explorer to fix this. Check for Fix-It Utilities In some cases,. Double-click on them, and you launch TextEdit rather than Disk Copy.
Any one of these cache files could have been corrupt, or contained out-of-date information that could have caused the issue you were having. Safe mode only allows the most basic system kernel extensions to be loaded. December 29, at August 3, at 9: Force restarted and it worked for about an hour until dying again.
You can work around this by dragging the image file's icon to the Disk Copy icon or by mounting the image from within Disk Copy. If you find these extra steps annoying, you can use "a freeware utility called DMG Fixer http: Just drag the problem file's icon to the DMG Fixer icon, and the utility will permanently fix the file.
Afterward, you'll be able to open the file correctly by double-clicking on it. Place the Application in the Dock If you've got two versions of the same application on your drive for example, one for OS 9 and another for OS X , and documents for that application open by default to the wrong one, drag the preferred application's icon to the Dock.
Typically, OS X will open that version of the program by default when you double-click on documents created with it. To change the listed application, click on the application's icon, and from the pop-up menu that appears, select Add Application.
In the resulting window, select the desired application. If the application you want is dimmed, change the Show pop-up menu from Recommended Applications to All Applications. Remember, however, that this will fix the problem only for that particular file. It won't always fix the problem, but it's worth a try. Launch the utility, and drag the file that you want to modify to the xFiles window.
Once OS X is booted again, it can be a good idea to confirm all is well by going back to .. My Mac is crashed and I tried fsck – fy with /sbin too. to one of the big guns. Here's how you can use fsck to fix a Mac hard disk. This article is written with a focus on Mac's user interface. /sbin/fsck_hfs -fy /dev /disk2 How to Supercharge Apple Reminders with Goodtask.
Delete whatever code is listed in the text box next to Creator. Click on Change. Now double-click on the file.
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The solution is to boot into a special recovery mode. Your Mac will be able to fix errors on your system drive from recovery mode. Your Mac will load straight into recovery mode. You may need to boot your Mac into single-user mode and run the fsck file system check command the old-fashioned way. To do this, start your Mac in single-user mode.
Type the following command into the terminal and press Enter to start a file system check:. The command will run through several phases of checks. This indicates the fsck command found and fixed problems.