How to burn boot cd in 10.7.5?

I have numerous apps crashing upon launch and wish to run disk utility and repair the disk. I have an older MacBook that cannot run Mountain Lion. I'm running 10.7.5 and wish to create a bootable CD with disk utility on it so that I can repair the disk which I cannot currently unmount because it is running the OS at the moment.
Thanks

Welcome to the Apple Support Communities
You don't have to create a bootable DVD. OS X Lion and Mountain Lion come with Recovery HD, from where you can start to reinstall OS X, repair drives, reset passwords, etc. See > http://support.apple.com/kb/HT4718
To start into Recovery HD, hold Command and R keys while your computer is starting. Then, in the "OS X Utilities" window, open Disk Utility and repair the drive

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****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
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Please click the white KUDOS star to show your appreciation
Frank
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How to burn boot cd in 10.7.5?

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