Solve Input/Output Error in Mac by deleting Alias

Mac OS X, is full of various files, and applications that we need to use on frequent basis. Now, the question is-­- in what scenario you need Alias?

When you don’t want to move or change the original location of files or adding it to Dock, but want to access those files from the desktop of your Mac, you need to create Alias on Mac.

For creating an alias:

-­-­-> highlight original icon -­-­-­-> press Command+L or choose File -> create Alias.

• For making Alias, you can also drag the icon to another location while holding down the Option and Command keys.

Alias is not a duplicate copy of icon, but it looks like a clone of the original icon. For identifying Alias from original you can check a tiny arrow appears in the lower-left corner of icon that is Alias.


For deleting an Alias, simply drag it to the trash. It doesn't effect your original file but once after deletion of Alias to trash, it can't restore.

Cause of input/output error occurrence:

Placing an alias in the operating system (OS) folder or volume can cause an input/output error to occur. In some cases, this can also result into crash of entire system. 

Solution of input/output error:

Removing the alias from operating system (OS) folder will eliminate this error. This process requires knowledge of administration password, that was used by the owner when OS X was 1st set up.

Steps:-

• On Double-click to hard drive icon (desktop) to open window.
• Double-click on "System" folder(window)
• Double-click on "Library" folder (window on the desktop)
  

To view the contents click on the arrow that is located at the top of the window. Finding Alias that need to be deleted. If the Alias is not in the folder, then click the arrow again in order to make the contents disappear.


Repeat this process of finding Alias in every folder on the window until and unless you come to the Alias that is to be deleted. When you got, Highlight the alias by clicking on it once. Drag the Alias to the trash folder at the bottom left of screen. Don't release the mouse button until Alias touches the Trash folder.
Then a pop up window will appear on screen, where you have to enter the administration password. into a "Password" field. After that Click on the "OK" button.

For deleting contents of trash click the trash folder to open it. And then click the "Empty" button at the upper right of the window to make it empty.
Then click the "Apple icon'' at the upper left corner of the screen. Go to "System Services" from drop down menu and select "Restart".

Let the OS X operating system shut down and restart.