Q: My mac will not work at all

How good are your backups?

You used Recovery Mode I take it to repair the disk drive, and not just Safe boot.

This forum is not devoted to MacBook Pro line.

Mavericks can boot from TimeMachine.

your notebook came with Lion? Early 2011 came with 10.6.7+ and later started shipping with 10.7.x, so you would have internet reinstall ability.

Get all your files off that drive, don't use it, install OS X to another drive, and to build a stable solid system, you are going to want to erase the drive and maybe even zero it out, before install and using it again. In 3 yrs very possibly hdd has gone. Good time to replace it and order an SSD kit to breath new life into it. And a backup drive to help.

So as long as Recovery Mode works you have half a chance.

And you can try to clone just the system with Carbon Copy Cloner - buy it! enable checksum on copy to insure file integrity - if you can boot in safe mode.

Heat. Notebooks run hot, drives and ram are subjected to heat. Never good for components, hence higher failure rates and more important to have multiple backup sets - and a recovery plan that you know how to use.

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OS X Recovery:

http://support.apple.com/kb/ht4718

OS X Internet Recovery

Mac models introduced after public availability of OS X Lion include the ability to start up directly from an Internet-based version of the OS X Recovery system. OS X automatically uses this feature when the Recovery System on the hard disk isn't available (such as when your hard disk encounters an issue, or when your hard disk has been replaced or erased). OS X Internet Recovery lets you start your Mac directly from Apple's servers. Starting up from this system performs a quick test of your memory and hard drive to check for hardware issues.

OS X Internet Recovery presents a limited interface at first, with only the ability to select your preferred Wi-Fi network and, if needed, entering a passphrase. Next, OS X Internet Recovery downloads and starts from a Recovery System image. From there, you are offered the same utilities and options as a local Recovery System.

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Requirements for reinstalling OS X using Recovery

Reinstalling OS X using OS X Recovery requires broadband access to the Internet via Wi-Fi or an Ethernet connection. OS X is downloaded over the Internet from Apple when OS X Recovery is used for reinstallation

If you use Internet Recovery to reinstall OS X, it installs the version of OS X that originally came with your computer. After installation is finished, use the Mac App Store to install related updates or later versions of OS X that you have previously purchased.

What to do if the installer warns that no Recovery System can be created

Some disk partition configurations may result in the OS X installer reporting that it could not create a Recovery System. In these situations, even if you are permitted to continue the install, you may want to quit the installation and create an external, bootable OS X hard drive with a Recovery System, first. You can continue your OS X upgrade on your computer's startup drive after creating an external Recovery System.

• Your storage device must have at least 13 GB available (after formatting) to install OS X Lion or later and a Recovery partition.
• These steps erase and reformat the storage device. This article instructs you on setting up a storage device to use the GUID partition scheme and the Mac OS Extended (Journaled) format, which are required to install OS X and a Recovery partition on your external storage device. You should back up any important files that are on the device to a different drive.
• This procedure installs a version of OS X that is compatible with the Mac it was created with. Using this OS X system with a different Mac model may produce unpredictable results.
• Your computer's serial number is sent to Apple as part of this process to help authenticate your request to download and install OS X Lion.

http://support.apple.com/kb/ht4718

Installing OS X on an external volume - such as your USB flash drive

http://support.apple.com/kb/HT5911

Some disk partition configurations may result in the OS X installer reporting that it could not create a Recovery System. If this happens, and you are unable to install or upgrade OS X, you may need to backup and erase your hard disk first. You can use Internet Recovery, or Recovery Disk Assistant to do this. You can also install OS X on an external volume.

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Install or Reinstall Mavericks or Mountain Lion from Scratch

the following procedure will remove everything from the hard drive.

OS X Mavericks- Erase and reinstall OS X

OS X Mountain Lion- Erase and reinstall OS X

OS X Lion- Erase and reinstall Mac OS X

About TimeMachine backups and Recovery Mode

http://support.apple.com/kb/HT1427

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How to Clone a Volume
Using Cloning as a Backup Strategy

http://www.macupdate.com/app/mac/7032/carbon-copy-cloner

Using Cloning as a Backup Strategy

http://macperformanceguide.com/Mac-HowToClone.html

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http://arstechnica.com/apple/2013/10/how-to-make-your-own-bootable-os-x-10-9-mav ericks-usb-install-drive/

Install or Reinstall Mavericks or Mountain Lion from Scratch