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<blockquote data-quote="eagle1990" data-source="post: 1477420" data-attributes="member: 285783">Hello,&nbsp;I have a macbook pro 15-inch, Early 2011 model and am operating on 0SX 10.8.2. Before updating to 10.8.2, I would hook my computer up to my flat screen via hdmi connection. It was working perfectly until I upgraded to 10.8.2. Now, whenever I try to plug in my computer, both screens will flicker and become fragmented, followed by computer screen showing either lines of white or blue and subsequently freezing. I've already ran disk warrior on it and verified/fixed the permission and disk (everything appeared to be OK). I also downloaded and installed gfxCardStatus and when I tried to switch from Dynamic Switching to &quot;integrated&quot; or &quot;discreet&quot;, my screen again froze (blue lines appeared again) and froze. The one time it actually switched to &quot;integrated,&quot; my computer froze and &quot;lined out&quot; when I tried to go full-screen in netflix or itunes (this is when the HDMI cord isn't even plugged in). When I tried to switch it again to &quot;dynamic switching,&quot; same malfunction. The only programs I've downloaded recently was Google Music Manager, and I recently deleted Spotify from my computer. It definitely is not a cord issue or external screen issue (since I've used the cord to connect my sister's mac and it worked fine, and I've tried connecting my own computer to multiple screens and I get the same problem).&nbsp;This problem wasn't there when I was operating on 10.8.1. I have no idea what could be going wrong or what I can possibly to do fix this. I've tried everything and have reset p-ram as well. Nothing works.&nbsp;This is a rather long post, so thank you ahead of time for taking the time to read through it!&nbsp; I don't know if this is important, but my graphics card information is as follows:&nbsp;Intel HD Graphics 3000:&nbsp;&nbsp; Chipset Model:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Intel HD Graphics 3000&nbsp; Type:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; GPU&nbsp; Bus:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Built-In&nbsp; VRAM (Total):&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 384 MB&nbsp; Vendor:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Intel (0x8086)&nbsp; Device ID:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0x0116&nbsp; Revision ID:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0x0009&nbsp; gMux Version:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1.9.23&nbsp; Displays:Color LCD:&nbsp; Display Type:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; LCD&nbsp; Resolution:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1440 x 900&nbsp; Pixel Depth:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 32-Bit Color (ARGB8888)&nbsp; Main Display:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Yes&nbsp; Mirror:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Off&nbsp; Online:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Yes&nbsp; Built-In:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Yes&nbsp;AMD Radeon HD 6490M:&nbsp;&nbsp; Chipset Model:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; AMD Radeon HD 6490M&nbsp; Type:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; GPU&nbsp; Bus:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; PCIe&nbsp; PCIe Lane Width:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; x8&nbsp; VRAM (Total):&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 256 MB&nbsp; Vendor:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; ATI (0x1002)&nbsp; Device ID:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0x6760&nbsp; Revision ID:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 0x0000&nbsp; ROM Revision:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 113-C0170H-521&nbsp; gMux Version:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1.9.23&nbsp; EFI Driver Version:&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 01.00.521I also did some digging around in &quot;Console,&quot; and the following was logged while I was trying to use the HDMI cable/switch between graphics cards using gfxCardStatus. I'm not the most knowledgable when it comes to interpreting this stuff, so I'm not even sure if this will be of any help.&nbsp;Thank you&nbsp;12/10/12 11:17:33.462 PM Finder[193]: CGSGetCurrentDisplayMode: Invalid display 0x042728c0&nbsp;12/10/12 11:17:33.561 PM WindowServer[97]: Display 0x4b80081d: MappedDisplay Unit 1; ColorProfile { 3, &quot;HD 709-A&quot;}; TransferFormula (1.000000, 1.000000, 1.000000)&nbsp;12/10/12 11:17:35.270 PM WindowServer[97]: Created shield window 0x6c for display 0x4b80081d&nbsp;12/10/12 11:17:40.273 PM WindowServer[97]: Display 0x4b80081d: MappedDisplay Unit 1: Startup Mode 1280 x 720, CGSThirtytwoBitColor, Resolution 1, IOMode 0x80000002, IODepth 0x1, IOReturn 0x0&nbsp;12/10/12 11:17:40.274 PM ALSPlugin 235.55[47]: LuxDisplayBacklightManager::updateALSIdleTimer Failed to get current linear brightnes&nbsp;12/10/12 11:17:40.274 PM ALSPlugin 235.55[47]: Failed to get brightness for displayID 0x042728c0&nbsp;12/10/12 11:17:40.274 PM ALSPlugin 235.55[47]: Failed to get displayid&nbsp;12/10/12 11:17:40.280 PM WindowServer[97]: Display 0x4b80081d: GL mask 0x2; bounds (0, 0)[1280 x 720], 33 modes availableMain, Active, on-line, enabled, OpenGL-accel, Vendor 4f2e, Model 22, S/N 9d, Unit 1, Rotation 0UUID 0x00004f2e000000220000009d00000000, ColorProfile { 3, &quot;HD 709-A&quot;}&nbsp;12/10/12 11:17:40.280 PM WindowServer[97]: GLCompositor: GL renderer id 0x01021b07, GL mask 0x00000007, accelerator 0x0000323f, unit 0, caps QEX|QGL|MIPMAP, vram 256 MBtexture units 8, texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT&nbsp;12/10/12 11:17:40.280 PM WindowServer[97]: Display 0x003f003e: GL mask 0x4; bounds (2304, 0)[1 x 1], 1 modes availableoff-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 2, Rotation 0UUID 0xffffffffffffffffffffffff003f003e&nbsp;12/10/12 11:17:40.280 PM WindowServer[97]: Display 0x003f003c: GL mask 0x9; bounds (2305, 0)[1 x 1], 1 modes availableoff-line, enabled, boot, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 0, Rotation 0UUID 0xffffffffffffffffffffffff003f003c, ColorProfile { 4, &quot;Color LCD Calibrated&quot;}&nbsp;12/10/12 11:17:47.276 PM WindowServer[97]: Display added&nbsp;12/10/12 11:17:47.276 PM WindowServer[97]: Display removed&nbsp;12/10/12 11:17:47.281 PM WindowServer[97]: Display 0x042728c0: GL mask 0x9; bounds (0, 0)[1440 x 900], 39 modes availableMain, Active, on-line, enabled, built-in, boot, Vendor 610, Model 9ca3, S/N 0, Unit 0, Rotation 0UUID 0x0000061000009ca300000000042728c0, ColorProfile { 4, &quot;Color LCD Calibrated&quot;}&nbsp;12/10/12 11:17:47.281 PM WindowServer[97]: GLCompositor: GL renderer id 0x01021b07, GL mask 0x00000007, accelerator 0x0000323f, unit 0, caps QEX|QGL|MIPMAP, vram 256 MBtexture units 8, texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT&nbsp;12/10/12 11:17:47.281 PM WindowServer[97]: Display 0x4b80081d: GL mask 0x2; bounds (1440, 56)[1280 x 720], 33 modes availableActive, on-line, enabled, OpenGL-accel, Vendor 4f2e, Model 22, S/N 9d, Unit 1, Rotation 0UUID 0x00004f2e000000220000009d00000000, ColorProfile { 3, &quot;HD 709-A&quot;}&nbsp;12/10/12 11:19:42.802 PM gfxCardStatus[402]: CGSGetDisplayBounds: Invalid display 0x4b80081d&nbsp;12/10/12 11:19:42.776 PM gfxCardStatus[402]: _NXGetScreenRect: error getting display bounds (1001)</blockquote>

[QUOTE="eagle1990, post: 1477420, member: 285783"] Hello, I have a macbook pro 15-inch, Early 2011 model and am operating on 0SX 10.8.2. Before updating to 10.8.2, I would hook my computer up to my flat screen via hdmi connection. It was working perfectly until I upgraded to 10.8.2. Now, whenever I try to plug in my computer, both screens will flicker and become fragmented, followed by computer screen showing either lines of white or blue and subsequently freezing. I've already ran disk warrior on it and verified/fixed the permission and disk (everything appeared to be OK). I also downloaded and installed gfxCardStatus and when I tried to switch from Dynamic Switching to "integrated" or "discreet", my screen again froze (blue lines appeared again) and froze. The one time it actually switched to "integrated," my computer froze and "lined out" when I tried to go full-screen in netflix or itunes (this is when the HDMI cord isn't even plugged in). When I tried to switch it again to "dynamic switching," same malfunction. The only programs I've downloaded recently was Google Music Manager, and I recently deleted Spotify from my computer. It definitely is not a cord issue or external screen issue (since I've used the cord to connect my sister's mac and it worked fine, and I've tried connecting my own computer to multiple screens and I get the same problem). This problem wasn't there when I was operating on 10.8.1. I have no idea what could be going wrong or what I can possibly to do fix this. I've tried everything and have reset p-ram as well. Nothing works. This is a rather long post, so thank you ahead of time for taking the time to read through it! I don't know if this is important, but my graphics card information is as follows: Intel HD Graphics 3000: Chipset Model: Intel HD Graphics 3000 Type: GPU Bus: Built-In VRAM (Total): 384 MB Vendor: Intel (0x8086) Device ID: 0x0116 Revision ID: 0x0009 gMux Version: 1.9.23 Displays: Color LCD: Display Type: LCD Resolution: 1440 x 900 Pixel Depth: 32-Bit Color (ARGB8888) Main Display: Yes Mirror: Off Online: Yes Built-In: Yes AMD Radeon HD 6490M: Chipset Model: AMD Radeon HD 6490M Type: GPU Bus: PCIe PCIe Lane Width: x8 VRAM (Total): 256 MB Vendor: ATI (0x1002) Device ID: 0x6760 Revision ID: 0x0000 ROM Revision: 113-C0170H-521 gMux Version: 1.9.23 EFI Driver Version: 01.00.521 I also did some digging around in "Console," and the following was logged while I was trying to use the HDMI cable/switch between graphics cards using gfxCardStatus. I'm not the most knowledgable when it comes to interpreting this stuff, so I'm not even sure if this will be of any help. Thank you 12/10/12 11:17:33.462 PM Finder[193]: CGSGetCurrentDisplayMode: Invalid display 0x042728c0 12/10/12 11:17:33.561 PM WindowServer[97]: Display 0x4b80081d: MappedDisplay Unit 1; ColorProfile { 3, "HD 709-A"}; TransferFormula (1.000000, 1.000000, 1.000000) 12/10/12 11:17:35.270 PM WindowServer[97]: Created shield window 0x6c for display 0x4b80081d 12/10/12 11:17:40.273 PM WindowServer[97]: Display 0x4b80081d: MappedDisplay Unit 1: Startup Mode 1280 x 720, CGSThirtytwoBitColor, Resolution 1, IOMode 0x80000002, IODepth 0x1, IOReturn 0x0 12/10/12 11:17:40.274 PM ALSPlugin 235.55[47]: LuxDisplayBacklightManager::updateALSIdleTimer Failed to get current linear brightnes 12/10/12 11:17:40.274 PM ALSPlugin 235.55[47]: Failed to get brightness for displayID 0x042728c0 12/10/12 11:17:40.274 PM ALSPlugin 235.55[47]: Failed to get displayid 12/10/12 11:17:40.280 PM WindowServer[97]: Display 0x4b80081d: GL mask 0x2; bounds (0, 0)[1280 x 720], 33 modes available Main, Active, on-line, enabled, OpenGL-accel, Vendor 4f2e, Model 22, S/N 9d, Unit 1, Rotation 0 UUID 0x00004f2e000000220000009d00000000, ColorProfile { 3, "HD 709-A"} 12/10/12 11:17:40.280 PM WindowServer[97]: GLCompositor: GL renderer id 0x01021b07, GL mask 0x00000007, accelerator 0x0000323f, unit 0, caps QEX|QGL|MIPMAP, vram 256 MB texture units 8, texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT 12/10/12 11:17:40.280 PM WindowServer[97]: Display 0x003f003e: GL mask 0x4; bounds (2304, 0)[1 x 1], 1 modes available off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 2, Rotation 0 UUID 0xffffffffffffffffffffffff003f003e 12/10/12 11:17:40.280 PM WindowServer[97]: Display 0x003f003c: GL mask 0x9; bounds (2305, 0)[1 x 1], 1 modes available off-line, enabled, boot, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 0, Rotation 0 UUID 0xffffffffffffffffffffffff003f003c, ColorProfile { 4, "Color LCD Calibrated"} 12/10/12 11:17:47.276 PM WindowServer[97]: Display added 12/10/12 11:17:47.276 PM WindowServer[97]: Display removed 12/10/12 11:17:47.281 PM WindowServer[97]: Display 0x042728c0: GL mask 0x9; bounds (0, 0)[1440 x 900], 39 modes available Main, Active, on-line, enabled, built-in, boot, Vendor 610, Model 9ca3, S/N 0, Unit 0, Rotation 0 UUID 0x0000061000009ca300000000042728c0, ColorProfile { 4, "Color LCD Calibrated"} 12/10/12 11:17:47.281 PM WindowServer[97]: GLCompositor: GL renderer id 0x01021b07, GL mask 0x00000007, accelerator 0x0000323f, unit 0, caps QEX|QGL|MIPMAP, vram 256 MB texture units 8, texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT 12/10/12 11:17:47.281 PM WindowServer[97]: Display 0x4b80081d: GL mask 0x2; bounds (1440, 56)[1280 x 720], 33 modes available Active, on-line, enabled, OpenGL-accel, Vendor 4f2e, Model 22, S/N 9d, Unit 1, Rotation 0 UUID 0x00004f2e000000220000009d00000000, ColorProfile { 3, "HD 709-A"} 12/10/12 11:19:42.802 PM gfxCardStatus[402]: CGSGetDisplayBounds: Invalid display 0x4b80081d 12/10/12 11:19:42.776 PM gfxCardStatus[402]: _NXGetScreenRect: error getting display bounds (1001) [/QUOTE]

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