Connecting Apple VGA Adapter

Question

I plug in through the Mini DisplayPort adapter, MacBook Pro screen flickers, and nothing happens with my external monitor.
Here is the log:
3/4/15 6:41:36.414 PM WindowServer[144]: Received display connect changed for display 0x4272900
3/4/15 6:41:36.418 PM WindowServer[144]: Found 24 modes for display 0x04272900 [24, 0]
3/4/15 6:41:36.454 PM WindowServer[144]: Received display connect changed for display 0x3f003d
3/4/15 6:41:36.455 PM WindowServer[144]: Found 1 modes for display 0x003f003d [1, 0]
3/4/15 6:41:36.466 PM WindowServer[144]: Display 0x04272900: GL mask 0x5; bounds (0, 0)[1440 x 900], 24 modes available
Main, Active, on-line, enabled, built-in, boot, OpenGL-accel, Vendor 610, Model 9ca4, S/N 0, Unit 0, Rotation 0
UUID 0x8a96a568c33550779a382c64e81094d2, ColorSpace { -1464169586 }
3/4/15 6:41:36.467 PM WindowServer[144]: GLCompositor: GL renderer id 0x0102260e, GL mask 0x00000003, accelerator 0x00003fd3, unit 0, caps QEX|MIPMAP, vram 256 MB
texture max 8192, viewport max {8192, 8192}, extensions NPOT|GLSL|FLOAT
3/4/15 6:41:36.467 PM WindowServer[144]: Display 0x003f003d: GL mask 0xa; bounds (2464, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 1, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
3/4/15 6:41:36.479 PM WindowServer[144]: Display 0x04272900: Unit 0: Startup Mode 1440 x 900, CGSThirtytwoBitColor, Resolution 1, ioModeID 0x80003000, ioModeDepth 0x2, IOReturn 0x0
3/4/15 6:41:36.479 PM WindowServer[144]: CGXDisplaysDidReconfigure: Display added
3/4/15 6:41:36.479 PM WindowServer[144]: CGXDisplaysDidReconfigure: Display removed
3/4/15 6:41:36.481 PM WindowServer[144]: Display 0x04272900: GL mask 0x5; bounds (0, 0)[1440 x 900], 24 modes available
Main, Active, on-line, enabled, built-in, boot, OpenGL-accel, Vendor 610, Model 9ca4, S/N 0, Unit 0, Rotation 0
UUID 0x8a96a568c33550779a382c64e81094d2, ColorSpace { -1464169586 }
3/4/15 6:41:36.482 PM WindowServer[144]: GLCompositor: GL renderer id 0x0102260e, GL mask 0x00000003, accelerator 0x00003fd3, unit 0, caps QEX|MIPMAP, vram 256 MB
texture max 8192, viewport max {8192, 8192}, extensions NPOT|GLSL|FLOAT
3/4/15 6:41:36.482 PM WindowServer[144]: Display 0x003f003d: GL mask 0xa; bounds (2464, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 1, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
3/4/15 6:41:38.455 PM WindowServer[144]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'. Run with arg = -discovery
3/4/15 6:41:38.479 PM WindowServer[144]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'. Run with arg = -discovery
3/4/15 6:41:38.525 PM WindowServer[144]: CGXSetDisplayColorProfileAndTransfer: Display 0x04272900: Unit 0; ColorProfile { -1464169586 }; TransferTable (256, 12)
3/4/15 6:41:38.550 PM com.apple.AmbientDisplayAgent[154]: AMBD Agent: xpc connection became invalid during event handler
3/4/15 6:41:38.579 PM WindowServer[144]: CGXSetDisplayColorProfileAndTransfer: Display 0x04272900: Unit 0; ColorProfile { -1464169586 }; TransferTable (256, 12)
3/4/15 6:41:38.591 PM com.apple.AmbientDisplayAgent[154]: AMBD Agent: xpc connection became invalid during event handler
3/4/15 6:41:38.595 PM DMProxy[4239]: AMBD Services: connection interrupted: com.apple.AmbientDisplayAgent (Connection interrupted)
3/4/15 6:41:38.605 PM com.apple.AmbientDisplayAgent[154]: AmbientDisplayAgent started
3/4/15 6:41:38.608 PM com.apple.AmbientDisplayAgent[154]: AMBD initializing devices
3/4/15 6:41:38.630 PM WindowServer[144]: CGXSetDisplayColorProfileAndTransfer: Display 0x04272900: Unit 0; ColorProfile { -1464169586 }; TransferTable (256, 12)
3/4/15 6:41:38.642 PM com.apple.AmbientDisplayAgent[154]: AMBD Agent: xpc connection became invalid during event handler
3/4/15 6:41:38.654 PM DMProxy[4240]: AMBD Services: connection interrupted: com.apple.AmbientDisplayAgent (Connection interrupted)
3/4/15 6:41:38.664 PM com.apple.AmbientDisplayAgent[154]: AmbientDisplayAgent started
3/4/15 6:41:38.668 PM com.apple.AmbientDisplayAgent[154]: AMBD initializing devices
3/4/15 6:41:38.683 PM WindowServer[144]: CGXSetDisplayColorProfileAndTransfer: Display 0x04272900: Unit 0; ColorProfile { -1464169586 }; TransferTable (256, 12)
3/4/15 6:41:38.694 PM com.apple.AmbientDisplayAgent[154]: AMBD Agent: xpc connection became invalid during event handler

Answer 1

Hi dainekerelis,
I'm sorry to hear you are having issues with your MacBook Pro. If you continue having issues with your MiniDisplayPort VGA adapter and an external display, you may find the troubleshooting steps outlined in the following article helpful:
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support
Regards,
- Brenden