Yes.
To do this, you will need two things done. The first is to HAVE a password for your login account. The second thing is to set a preference to require a password whenever it is woke up.
In OS X Leopard, this preference is found in Apple Menu (upper left corner) ---> System Preferences ---> Security ---> General ---> Require password to wake this computer from sleep or screen saver
It is not possible to convert a DVD into an iMac.
No. You can only play games made for Mac OS on an iMac.
Open System PrefsSelect SecurityClick 'Require a password to wake this computer from sleep or Screensaver.Enter a password that you will not forget.If you forget your password you will need the original installation disk to re set it.
No. The slot-loading drives on all current iMac models (and most previous iMac models) will only accept standard 12cm (120mm) diameter discs. Smaller discs may (and usually do) cause problems with the drive, up to and including complete drive failure. Smaller discs require tray-loading optical drives; the only iMac models that included tray-loading optical drives were the early iMac G3 (CRT) models, and the iMac G4 ("Sunflower," or "Desk Lamp" style) models.
You can buy a refurbished iMac from the Apple store. They're available in brick and mortar stores, and also on their website. They are often at a heavily discounted price compared to new iMacs.
We have no way of telling you that as we cannot examine your iMac. However Macintosh computers are very rarely attacked compared to PCs, so it is unlikely.
No. An iMac is a computer from Apple. Mac OS X is an Operating System for Mac computers. Every Mac comes with a copy of Mac OS X - pre installed.
No, you can only get that discount on a new iMac not a refurbished iMac.
Open Mail. Click the name Mail, top left of the screen. Now click preferences. On the window that comes up click the Accounts tab. On the bottom left click the + sign. Put in the email address and password and your iMac will do the rest.
The original iMac was the G3 which came out in (1998). It was followed by the G4 (2002), then the G5 (2004), then the Intel iMac plastic version (2006). The 5th iMac was the aluminum iMac which came out in (August 2007), followed by the iMac Aluminum Unibody (2009). The newest iMac is simply called 2012 iMac and it came out on November 30, 2012.
There is no "iMac Air".
To reset the password on Mac OS X you need to start up the computer from the original system install disc that came with the iMac. Insert the disc in the disc drive. Restart the computer and hold down the C key until the computer has recognised the disc and has started loading it. Once the desktop has loaded select Reset Password from the Installer (in earlier versions this may be called Utilities) menu at the top of the screen. Select the computers hard disc and then the account that has had the password added to it. Enter a new password. Enter a hint to remind you if you ever forget it again. Restart the computer.