Just installed moutain lion: picture on lg 23 inch moniter  now stuck  om the right with some  loss of right edge and   occaisional  waving whole display; Please  helppry

Just imstalled  Mountain Lion on my mac mini. On my LG 23 inch moniter the    picture is stuck on the right and I lose  the right edge. Sometimes the display  truns  actively wavy. Please help. Had NO moniter  problems until Mountain Lion

Apple computers: Troubleshooting issues with video on internal or external displays

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    User ID:         501
    Date/Time:       2013-07-10 22:35:39.180 +0200
    OS Version:      Mac OS X 10.8.4 (12E55)
    Report Version:  10
    Interval Since Last Report:          2118 sec
    Crashes Since Last Report:           1
    Per-App Interval Since Last Report:  24 sec
    Per-App Crashes Since Last Report:   1
    Anonymous UUID:                      47D641A2-4625-7590-369C-8BAFE1439551
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    Identifier:      com.apple.iPhoto
    Version:         9.3.2 (9.3.2)
    Build Info:      iPhotoProject-670063000000000~2
    App Item ID:     408981381
    App External ID: 9487287
    Code Type:       X86 (Native)
    Parent Process:  launchd [151]
    User ID:         501
    Date/Time:       2012-08-01 00:17:41.478 +0800
    OS Version:      Mac OS X 10.8 (12A269)
    Report Version:  10
    Interval Since Last Report:          383869 sec
    Crashes Since Last Report:           29
    Per-App Interval Since Last Report:  14 sec
    Per-App Crashes Since Last Report:   14
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        __DATA/__OBJC          00000000ac5ff000-00000000ac600000 [    4K] rw-/rwx SM=COW  /usr/lib/libobjc.A.dylib
    --> Submap                 00000000ac600000-00000000ac601000          r-x/rwx process-only submap
        __IMPORT               00000000ac600000-00000000ac601000 [    4K] rw-/rw- SM=COW  /usr/lib/libobjc.A.dylib
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    1   libobjc.A.dylib                         0x93cb2d47 object_setIvar + 353
    2   libobjc.A.dylib                         0x93cb2bda object_setInstanceVariable + 80
    3   com.apple.AppKit                        0x950b7461 -[NSNibOutletConnector establishConnection] + 486
    4   com.apple.AppKit                        0x9508915f -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 1002
    5   com.apple.AppKit                        0x95067762 loadNib + 373
    6   com.apple.AppKit                        0x95066d84 +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] + 819
    7   com.apple.AppKit                        0x9506695f -[NSBundle(NSNibLoading) loadNibNamed:owner:topLevelObjects:] + 256
    8   com.apple.AppKit                        0x950666ec +[NSBundle(NSNibLoading) loadNibNamed:owner:] + 418
    9   com.apple.AppKit                        0x95062688 NSApplicationMain + 447
    10  com.apple.iPhoto                        0x00010f40 0x1000 + 65344
    11  com.apple.iPhoto                        0x00010409 0x1000 + 62473
    Thread 1:: Dispatch queue: com.apple.libdispatch-manager
    0   libsystem_kernel.dylib                  0x962c09ae kevent + 10
    1   libdispatch.dylib                       0x96e9acc5 _dispatch_mgr_invoke + 993
    2   libdispatch.dylib                       0x96e9a7fd _dispatch_mgr_thread + 53
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    Process:         Google Chrome [494]
    Path:            /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
    Identifier:      com.google.Chrome
    Version:         20.0.1132.57 (1132.57)
    Code Type:       X86 (Native)
    Parent Process:  launchd [151]
    User ID:         501
    Date/Time:       2012-08-01 00:26:16.848 +0800
    OS Version:      Mac OS X 10.8 (12A269)
    Report Version:  10
    Interval Since Last Report:          384384 sec
    Crashes Since Last Report:           30
    Per-App Interval Since Last Report:  30 sec
    Per-App Crashes Since Last Report:   13
    Anonymous UUID:                      FD6B6DB9-BBD9-4CBB-AC1F-2CE4A93AE9E8
    Crashed Thread:  0  Dispatch queue: com.apple.main-thread
    Exception Type:  EXC_BAD_ACCESS (SIGBUS)
    Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000ac600000
    VM Regions Near 0xac600000:
        __DATA/__OBJC          00000000ac5ff000-00000000ac600000 [    4K] rw-/rwx SM=COW  /usr/lib/libobjc.A.dylib
    --> Submap                 00000000ac600000-00000000ac601000          r-x/rwx process-only submap
        __IMPORT               00000000ac600000-00000000ac601000 [    4K] rw-/rw- SM=COW  /usr/lib/libobjc.A.dylib
    Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
    0   ???                                     0xac600000 objc_assign_ivar + 0
    1   libobjc.A.dylib                         0x93cb2d47 object_setIvar + 353
    2   libobjc.A.dylib                         0x93cb2bda object_setInstanceVariable + 80
    3   com.apple.AppKit                        0x950b7461 -[NSNibOutletConnector establishConnection] + 486
    4   com.apple.AppKit                        0x9508915f -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] + 1002
    5   com.apple.AppKit                        0x952a07d0 -[NSNib _instantiateNibWithExternalNameTable:] + 634
    6   com.apple.AppKit                        0x952a04a2 -[NSNib instantiateNibWithOwner:topLevelObjects:] + 166
    7   com.google.Chrome.framework             0x003f1118 ChromeMain + 3217304
    8   com.google.Chrome.framework             0x0244f16b ChromeMain + 37156843
    9   com.google.Chrome.framework             0x0244fdc2 ChromeMain + 37160002
    10  com.google.Chrome.framework             0x0244ea1d ChromeMain + 37154973
    11  com.google.Chrome.framework             0x009af67b ChromeMain + 9239803
    12  com.google.Chrome.framework             0x009ae840 ChromeMain + 9236160
    13  com.google.Chrome.framework             0x000df9a9 ChromeMain + 41
    14  com.google.Chrome                       0x000d7f58 main + 24
    15  com.google.Chrome                       0x000d7f16 0xd7000 + 3862
    Thread 1:
    0   libsystem_kernel.dylib                  0x962c00ee __workq_kernreturn + 10
    1   libsystem_c.dylib                       0x984ee04c _pthread_workq_return + 45
    2   libsystem_c.dylib                       0x984ede19 _pthread_wqthread + 448
    3   libsystem_c.dylib                       0x984d5cca start_wqthread + 30

    The geniuses at Google have devised a solution for Chrome that also fixes iPhoto.
    Be sure that you are logged in as a user with administrative privileges (System Preferences → Users & Groups → Current User → ☑ Allow user to administer this computer).
    Launch the Terminal application.
    Inside the Terminal, run sudo update_dyld_shared_cache -force
    When prompted, enter your password.
    After the command completes (in about a minute), restart the computer.

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