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Hi everyone I have a difficulty in HD4000. I searched many times, many keywords, and I wrote others forum about my problem but I can't solve my problem for 2-3 weeks. My laptop is using Clover UEFI If ig-platform-id is 01660003, hdmi is working but internal screen is tinted (dim? foggy? cloudy?) like this picture but interesting, I can control backlight brightness and working sleep. (so I think My laptop may use 01660003, only have to solve tinted screen) If ig-platform-id is 0166000A or B, Internal screen is fully working but hdmi is not working, also I can't control backlight brightness, don't working sleep(black screen after wake) I tried this patch very many times,(on 0166000A) but I coudn't solve my problem. https://osxlatitude.com/index.php?/topic/2945-guide-for-enabling-vga-and-hdmi-in-intel-hd4000-gpu/ I found the questions is very similar my symptom(but I couldn't find the solution also) http://www.insanelymac.com/forum/topic/286934-hd4000-gray-white-tinted-display-problem/ and I read this topic(about samsung seires 5 530u3c-a01) but couldn't help me. https://osxlatitude.com/index.php?/topic/2520-ml-on-samsung-serie-5-530u3c-a01/ Help me please Thanks for reading Have a Nice Day P.S. My laptop Informations SAMSUNG NT530U3C-A7HB : Intel Core i5 3337u, HD4000, 12(4+8)gb ram, 1366x768, hdmi, vga, 128gb SSD, ALC269, Elan TouchPad, OS X 10.9 Mavericks Clover Bootloader UEFI And my config.plist <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>ACPI</key> <dict> <key>DSDT</key> <dict> <key>Debug</key> <false/> <key>DropOEM_DSM</key> <false/> <key>Fixes</key> <dict> <key>AddDTGP_0001</key> <true/> <key>AddMCHC_0008</key> <true/> <key>FakeLPC_0020</key> <true/> <key>FixAirport_4000</key> <true/> <key>FixDarwin_0002</key> <true/> <key>FixDisplay_0100</key> <true/> <key>FixFirewire_0800</key> <false/> <key>FixHDA_8000</key> <false/> <key>FixHPET_0010</key> <true/> <key>FixIDE_0200</key> <false/> <key>FixIPIC_0040</key> <true/> <key>FixLAN_2000</key> <true/> <key>FixSATA_0400</key> <false/> <key>FixSBUS_0080</key> <true/> <key>FixShutdown_0004</key> <true/> <key>FixUSB_1000</key> <true/> </dict> <key>Name</key> <string>DSDT.aml</string> <key>ReuseFFFF</key> <false/> <key>SlpSmiAtWake</key> <true/> <key>SuspendOverride</key> <true/> </dict> <key>DropTables</key> <array> <dict> <key>Signature</key> <string>DMAR</string> </dict> <dict> <key>Signature</key> <string>SSDT</string> <key>TableId</key> <string>CpuPm</string> </dict> </array> <key>SSDT</key> <dict> <key>DropOem</key> <true/> <key>Generate</key> <dict> <key>CStates</key> <true/> <key>PStates</key> <true/> </dict> <key>PLimitDict</key> <integer>0</integer> <key>UnderVoltStep</key> <integer>0</integer> </dict> <key>SlpSmiAtWake</key> <true/> </dict> <key>Boot</key> <dict> <key>Arguments</key> <string>-v</string> <key>DefaultVolume</key> <string>OS X Mavericks</string> <key>Legacy</key> <string>LegacyBiosDefault</string> <key>LegacyBiosDefaultEntry</key> <integer>2</integer> <key>Log</key> <true/> <key>Timeout</key> <integer>1</integer> <key>XMPDetection</key> <true/> </dict> <key>Devices</key> <dict> <key>Audio</key> <dict> <key>Inject</key> <string>Detect</string> </dict> <key>FakeID</key> <dict> <key>LAN</key> <string>0x0</string> <key>SATA</key> <string>0x0</string> <key>WIFI</key> <string>0x0</string> <key>XHCI</key> <string>0x0</string> </dict> <key>USB</key> <dict> <key>AddClockID</key> <true/> <key>FixOwnership</key> <true/> <key>Inject</key> <true/> </dict> </dict> <key>DisableDrivers</key> <array> <string>Nothing</string> </array> <key>GUI</key> <dict> <key>Hide</key> <array> <string>HD(1,GPT,97F45A31-6A8D-49DB-BEB3-3029E73252AA</string> </array> <key>Language</key> <string>en:0</string> <key>Mouse</key> <dict> <key>Enabled</key> <false/> </dict> <key>Scan</key> <dict> <key>Entries</key> <true/> <key>Legacy</key> <string>last</string> <key>Tool</key> <true/> </dict> <key>ScreenResolution</key> <string>1366x768</string> <key>Theme</key> <string>metal</string> </dict> <key>Graphics</key> <dict> <key>DualLink</key> <integer>1</integer> <key>Inject</key> <dict> <key>ATI</key> <false/> <key>Intel</key> <true/> <key>NVidia</key> <false/> </dict> <key>InjectEDID</key> <true/> <key>LoadVBios</key> <false/> <key>PatchVBios</key> <true/> <key>ig-platform-id</key> <string>0x0166000B</string> </dict> <key>KernelAndKextPatches</key> <dict> <key>AppleRTC</key> <false/> <key>AsusAICPUPM</key> <true/> <key>Debug</key> <false/> <key>KernelCpu</key> <false/> <key>KernelLapic</key> <false/> <key>KextsToPatch</key> <array> <dict> <key>Comment</key> <string>External icons patch</string> <key>Find</key> <data> RXh0ZXJuYWw= </data> <key>Name</key> <string>AppleAHCIPort</string> <key>Replace</key> <data> SW50ZXJuYWw= </data> </dict> </array> </dict> <key>RtVariables</key> <dict> <key>LogEveryBoot</key> <string>10</string> <key>LogLineCount</key> <integer>3000</integer> <key>MountEFI</key> <true/> </dict> <key>SMBIOS</key> <dict> <key>BiosReleaseDate</key> <string>04/22/11</string> <key>BiosVendor</key> <string>Apple Computer, Inc.</string> <key>BiosVersion</key> <string>MBP81.88Z.0047.B0E.1104221557</string> <key>Board-ID</key> <string>Mac-94245B3640C91C81</string> <key>BoardManufacturer</key> <string>Apple Computer, Inc.</string> <key>BoardType</key> <integer>10</integer> <key>ChassisAssetTag</key> <string>MacBook-Aluminum</string> <key>ChassisManufacturer</key> <string>Apple Computer, Inc.</string> <key>ChassisType</key> <integer>8</integer> <key>Family</key> <string>MacBook Pro</string> <key>Manufacturer</key> <string>Apple Computer, Inc.</string> <key>Mobile</key> <true/> <key>ProductName</key> <string>MacBookPro8,1</string> <key>SerialNumber</key> <string>C02HG42TDH2G</string> <key>Version</key> <string>1.0</string> </dict> <key>SystemParameters</key> <dict> <key>InjectKexts</key> <true/> <key>InjectSystemID</key> <true/> </dict> </dict> </plist>