Failing integrated video board on 2011 MacBook Pro

Hello,
I have a 2011 MacBook Pro (2.2 GHz Intel Core i7, 4 GB 1333 MHz DDR3 memory) running OS 10.6.8. I inherited it from a colleague and use it for work and the discrete video card (AMD Radeon HD 6750M) started to fail late 2013 leading to the classic green lines symptoms and finally complete freeze after startup. After reading several posts about the subject, I followed the instructions to disable the discrete extensions and use only the integrated video card (I also have gfxCardStatus on but it does not recognize the discrete videocard anyway). That allowed me to use my MacBook for > 2 more years without significant issues (except not being able to use chrome or view some flash videos).  But today, it looks like the integrated videocard is also starting to fail, every other horizontal line on my screen is white, so it looks like I'm looking through a tight screen and it's hard to read text. As the discrete video failed, I do not have an external video output. Any suggestions, has any one rescued a MacBook pro with two failing vieo cards? Thank you.

Hello vhurez,
Welcome to the Apple Support Communities!
I understand that it seems as if your video card is no longer working as expected. In this situation, it may be necessary to have your Macbook Pro evaluated for repair. Please review the information in the attached weblink for more information.
Apple - Support - Service Answer Center
Have a great day,
Joe

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    Disk Information:
              Hitachi HTS545032B9A302 disk0 : (320.07 GB)
                        EFI (disk0s1) <not mounted>: 209.7 MB
                        Macintosh HD (disk0s2) /: 319.21 GB (33.32 GB free)
                        Recovery HD (disk0s3) <not mounted>: 650 MB
              MATSHITADVD-R   UJ-8A8 
    USB Information:
              Apple Inc. FaceTime HD Camera (Built-in)
              Apple Inc. Apple Internal Keyboard / Trackpad
              Apple Inc. BRCM2070 Hub
                        Apple Inc. Bluetooth USB Host Controller
              Apple Computer, Inc. IR Receiver
    FireWire Information:
    Thunderbolt Information:
              Apple Inc. thunderbolt_bus
    Kernel Extensions:
              com.globaldelight.driver.BoomDevice          (1.1 - SDK 10.9)
              net.telestream.driver.TelestreamAudio          (1.1.0 - SDK 10.8)
    Startup Items:
              Jaksta: Path: /Library/StartupItems/Jaksta
    Problem System Launch Daemons:
              [failed] com.apple.wdhelper.plist 3rd-Party support link
    Problem System Launch Agents:
    Launch Daemons:
              [loaded] com.adobe.fpsaud.plist 3rd-Party support link
              [loaded] com.bourgeoisbits.cloak.cloakd.plist 3rd-Party support link
              [loaded] com.bourgeoisbits.cloak.cloakproxyd.plist 3rd-Party support link
              [loaded] com.google.keystone.daemon.plist 3rd-Party support link
              [loaded] com.macpaw.CleanMyMac2.Agent.plist 3rd-Party support link
    Launch Agents:
              [loaded] com.amazon.sendtokindle.launcher.plist 3rd-Party support link
              [loaded] com.google.keystone.agent.plist 3rd-Party support link
    User Launch Agents:
              [loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist 3rd-Party support link
              [loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist 3rd-Party support link
              [loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist 3rd-Party support link
    User Login Items:
              Boom
              PopClip
              Caffeine
              Fantastical
              AppTrap
              Dropbox
              Alfred 2
              Cloak
              ScreenFlowHelper
              Google Chrome
    Internet Plug-ins:
              o1dbrowserplugin: Version: 3.18.3.12840 3rd-Party support link
              SpeedDownload Browser Plugin: Version: 2.1.5 - SDK 10.6 3rd-Party support link
              Default Browser: Version: 537 - SDK 10.9
              Flip4Mac WMV Plugin: Version: 2.4.1.4 3rd-Party support link
              AmazonMP3DownloaderPlugin101750: Version: AmazonMP3DownloaderPlugin 1.0.17 - SDK 10.4 3rd-Party support link
              Silverlight: Version: 5.1.10411.0 - SDK 10.6 3rd-Party support link
              FlashPlayer-10.6: Version: 11.9.900.170 - SDK 10.6 3rd-Party support link
              Flash Player: Version: 11.9.900.170 - SDK 10.6 3rd-Party support link
              QuickTime Plugin: Version: 7.7.3
              googletalkbrowserplugin: Version: 3.18.3.12840 3rd-Party support link
              npgtpo3dautoplugin: Version: 0.1.44.28 - SDK 10.5 3rd-Party support link
              iPhotoPhotocast: Version: 7.0 - SDK 10.8
              JavaAppletPlugin: Version: 14.8.0 - SDK 10.9 Outdated! Update
    Audio Plug-ins:
              BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
              AirPlay: Version: 1.9 - SDK 10.9
              AppleAVBAudio: Version: 2.0.0 - SDK 10.9
              iSightAudio: Version: 7.7.3 - SDK 10.9
    User Internet Plug-ins:
              CitrixOnlineWebDeploymentPlugin: Version: 1.0.105 3rd-Party support link
              EMusic: Version: EMusic 1.0.0 3rd-Party support link
    3rd Party Preference Panes:
              AppTrap  3rd-Party support link
              Flash Player  3rd-Party support link
              Flip4Mac WMV  3rd-Party support link
              Hazel  3rd-Party support link
              Perian  3rd-Party support link
    Bad Fonts:
              None
    Old Applications:
              /Applications/iWork '09
              SLLauncher:          Version: 1.0 - SDK 10.5 3rd-Party support link
                        /Library/Application Support/Microsoft/Silverlight/OutOfBrowser/SLLauncher.app
              Attachment Tamer Helper:          Version: 3.1.2 - SDK 10.5 3rd-Party support link
                        /Users/derricksutton/Library/Mail/Bundles (Disabled)/Attachment Tamer.mailbundle/Contents/Resources/Attachment Tamer Helper.app
              Nisus Thesaurus:          Version: 1.1 - SDK 10.4 3rd-Party support link
              Amazon MP3 Downloader:          Version: INFO_PLIST_VERSION - SDK 10.4 3rd-Party support link
    Time Machine:
              Skip System Files: NO
              Mobile backups: ON
              Auto backup: YES
              Volumes being backed up:
                        Macintosh HD: Disk size: 297.29 GB Disk used: 266.26 GB
              Destinations:
                        Seagate Expansion Drive [Local] (Last used)
                        Total size: 465.44 GB
                        Total number of backups: 10
                        Oldest backup: 2013-09-21 16:05:10 +0000
                        Last backup: 2013-12-31 20:05:10 +0000
                        Size of backup disk: Too small
                                  Backup size 465.44 GB < (Disk used 266.26 GB X 3)
              Time Machine details may not be accurate.
              All volumes being backed up may not be listed.
    Top Processes by CPU:
                  28%          WindowServer
                   5%          Google Chrome
                   2%          Dock
                   1%          Fantastical
                   1%          hidd
    Top Processes by Memory:
              135 MB          Google Chrome Helper
              98 MB          mds_stores
              90 MB          Finder
              86 MB          Google Chrome
              61 MB          EtreCheck
    Virtual Memory Information:
              612 MB          Free RAM
              1.47 GB          Active RAM
              601 MB          Inactive RAM
              1.04 GB          Wired RAM
              523 MB          Page-ins
              2 MB          Page-outs

    CleanMyMac is probably your problem.
    CleanMyMac is crapware.
    Crapware is anything that purports to "optimize",  "clean", "accelerate", "monitor", or "protect" your Mac. These apps are unnecessary, poorly written, overpriced (if they were free, they'd still be overpriced), and harmful. The people who sell this stuff know this, but they keep selling it because people keep buying it. They can damage your OS and be difficult to uninstall.
    I would try to uninstall it, but if that fails, you may have to erase your HD and do a clean install.

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