White black screen on Macbook pro

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  Here are my macbook details:

  MacBook Pro (retina, 15 inch, mid-2015)

  2.8 GHz Intel Core i7 processor

  16GB memory.

  Now here are the logs:

  16/04/2016 01:42:49.000 kernel [0]: ARPT: 73359.434903: ARPT: reason Wake: Wake on MDNS Service

  16/04/2016 01:42:49.554 Dock [427]:-[UABestAppSuggestionManager notifyBestAppChanged:type:options:bundleIdentifier:activityType:dynamicIdentifi er: when: trust: deviceName:deviceIdentifier:deviceType:] (null) UASuggestedActionType = 0 (null) / (null) opts = (null) when = 2016-04-16 00:42:49 + 0000 trust = 1 from = (null) / (null) (UABestAppSuggestionManager.m #319)

  16/04/2016 01:42:49.000 kernel [0]: USBMSC (non-unique) identifier: 000000000820 0x5ac 8406 x 0 0 x 820, 3

  16/04/2016 01:42:49.000 kernel [0]: ARPT: 73359.705713: AirPort_Brcm43xx::powerChange: Wake - wake-up full system / Dark Wake / maintenance wake

  16/04/2016 01:42:49.000 kernel [0]: ARPT: 73359.705740: IOPMPowerSource information: onWake, SleepType: Normal sleep, "ExternalConnected": Yes, "TimeRemaining": 0.

  16/04/2016 01:42:49.000 kernel [0]: ARPT: 73359.705759: ARPT: reason Wake: Wake on MDNS Service

  16/04/2016 01:42:49.000 kernel [0]: ARPT: 73359.705792: AirPort_Brcm43xx::platformWoWEnable: WWEN [disable]

  16/04/2016 01:42:49.000 kernel [0]: AppleCamIn::systemWakeCall - messageType = 0xE0000340

  16/04/2016 01:42:49.000 kernel [0]: AppleCamIn::wakeEventHandlerThread

  16/04/2016 01:42:49.000 kernel [0]: [HIDDEN] [ATC] AppleDeviceManagementHIDEventService::processWakeReason Wake reason: host (0x01)

  16/04/2016 01:42:50.000 kernel [0]: Airport: Link Up on awdl0

  16/04/2016 01:42:50.548 ntpd [195]: sigio_handler: sigio_handler_active! = 1

  16/04/2016 01:42:50.548 ntpd [195]: sigio_handler: sigio_handler_active! = 0

  16/04/2016 01:42:50.564 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:42:50.564 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:42:50.616 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:42:50.617 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:42:54.000 kernel [0]: AppleCamIn::handleWakeEvent_gated

  16/04/2016 01:42:54.000 kernel [0]: TCON: the loan at HW

  16/04/2016 01:42:54.000 kernel [0]: AppleCamIn::handleWakeEvent_gated

  16/04/2016 01:43:04.829 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 654

  16/04/2016 01:43:04.830 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 654

  16/04/2016 01:43:04.830 iTunes [1437]: TID: 20 c 83 - Mux ID not found in the mapping Dictionary

  16/04/2016 01:43:04.830 iTunes [1437]: TID: 20 83 c - handle cannot disconnect with invalid ecid

  16/04/2016 01:43:10.069 com.apple.usbmuxd [81]: LOCKDOWN_V2_BONJOUR_SERVICE_NAME is _apple - mobdev2._tcp, 8e9e07de

  16/04/2016 01:43:10.071 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:43:10.072 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:43:10.073 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:43:10.073 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:43:15.033 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 656

  16/04/2016 01:43:15.033 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 656

  16/04/2016 01:43:15.034 iTunes [1437]: TID: 20 c 83 - Mux ID not found in the mapping Dictionary

  16/04/2016 01:43:15.034 iTunes [1437]: TID: 20 83 c - handle cannot disconnect with invalid ecid

  16/04/2016 01:43:54.000 syslogd [46]: sender ASL statistics

  16/04/2016 01:46:49.780 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:46:49.780 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 01:46:57.141 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 658

  16/04/2016 01:46:57.142 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 658

  16/04/2016 01:46:57.142 iTunes [1437]: tid:1bba7 - Mux ID not found in the mapping Dictionary

  16/04/2016 01:46:57.142 iTunes [1437]: tid:1bba7 - handle cannot disconnect with invalid ecid

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780084: wl0: setup_keepalive: 900, 30, retry_count 10 retry_interval interval

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780094: wl0: setup_keepalive: local IP address: 192.168.0.6

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780097: wl0: setup_keepalive: remote IP address: 17.252.12.24

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780100: wl0: setup_keepalive: Local port: 49161, remote port: 5223

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780104: wl0: setup_keepalive: Seq: Ack 2180243861,: 1713386523, Win size: 4096

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780129: wl0: MDNS: IPV4 address: 192.168.0.6

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780132: wl0: MDNS: IPV6 Addr: fe80:0:0:0:aebc:32ff:feb0:2d2b

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780136: wl0: MDNS: IPV6 Addr: fde9:489 d: 3 c 38: 0:aebc:32ff:feb0:2d2b

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780140: wl0: MDNS: IPV6 Addr: fde9:489 d: 3 c 38: 0:f587:1d3e:2842:7942

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780143: wl0: MDNS: 3 SRV REB, 4 TXT REB

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780146: wl0: MDNS: 1 UDP ports: 4500

  16/04/2016 01:47:49.000 kernel [0]: ARPT: 73659.780149: wl0: MDNS: 4 ports TCP: 60554 60554 3689 3689

  16/04/2016 01:47:51.000 kernel [0]: PM response has taken ms 1931 (55, powerd)

  16/04/2016 01:47:51.000 kernel [0]: ARPT: 73661.703970: AirPort_Brcm43xx::powerChange: sleep system

  16/04/2016 01:47:51.000 kernel [0]: ARPT: 73661.703989: IOPMPowerSource information: onSleep, SleepType: Normal sleep, "ExternalConnected": Yes, "TimeRemaining": 0.

  16/04/2016 01:47:51.000 kernel [0]: AppleCamIn::systemWakeCall - messageType = 0xE0000340

  16/04/2016 03:12:54.000 kernel [0]: AppleThunderboltNHIType2::prePCIWake - power-up full - took US 1

  16/04/2016 03:12:54.000 kernel [0]: - full - AppleThunderboltGenericHAL::earlyWake took 0 milliseconds

  16/04/2016 03:12:54.000 kernel [0]: Airport: link down on awdl0. Reason no. 1 (unspecified).

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73662.220223: wl0: wl_update_tcpkeep_seq: Seq Original: Ack 2180243861,: 1713386523, Win size: 4096

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73662.220245: wl0: wl_update_tcpkeep_seq: update UserClient Seq 2180243861, Ack 1713386523, Win-dimension 330 seq/ack/victory

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73662.220268: wl0: leaveModulePoweredForOffloads: Wi - Fi remains on.

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73662.254025: AirPort_Brcm43xx::platformWoWEnable: WWEN [activate]

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73662.254859: AirPort_Brcm43xx::syncPowerState: [active] WWEN

  16/04/2016 03:12:54.000 kernel [0]: IOThunderboltSwitch < 0 > (0x0): listenerCallback - HPD Thunderbolt package for road port = 0 x 0 = 11 unplug = 0

  16/04/2016 03:12:54.000 kernel [0]: IOThunderboltSwitch < 0 > (0x0): listenerCallback - HPD Thunderbolt package for road port = 0 x 0 = 12 disconnect = 0

  16/04/2016 03:12:54.000 kernel [0]: AppleCamIn::systemWakeCall - messageType = 0xE0000340

  16/04/2016 01:47:53.000 kernel [0]: AppleThunderboltNHIType2::waitForOk2Go2Sx - intel_rp = 1 dlla_reporting_supported = 0

  16/04/2016 03:12:54.000 kernel [0]: AppleThunderboltNHIType2::waitForOk2Go2Sx - attempts = 5

  16/04/2016 03:12:54.000 kernel [0]: Wake right?:

  16/04/2016 03:12:54.000 kernel [0]: AppleCamIn::systemWakeCall - messageType = 0xE0000340

  16/04/2016 03:12:54.000 kernel [0]: AppleCamIn::wakeEventHandlerThread

  16/04/2016 03:12:54.000 kernel [0]: CCF: PowerByCalendarDate parameter ignored

  16/04/2016 03:12:54.000 syslogd [46]: sender ASL statistics

  16/04/2016 03:12:54.000 kernel [0]: previous cause of sleep: 5

  16/04/2016 03:12:54.000 kernel [0]: AppleThunderboltNHIType2::prePCIWake - power-up full - took US 2

  16/04/2016 03:12:54.000 kernel [0]: - full - AppleThunderboltGenericHAL::earlyWake took 1 milliseconds

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73663.553923: wl_print_wake_pkt: MAC Addr 9 c: 20 Source: 7B: b5:bc:6 d ac:bc:32:b0:2d:2 b Dest

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73663.553929: wl_print_wake_pkt: IPv4 Addr Source 192.168.0.14 Dest 192.168.0.6

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73663.553931: wl_print_wake_pkt: TCP Port Source 62484 Dest 3689

  16/04/2016 03:12:54.000 kernel [0]: IOThunderboltSwitch < 0 > (0x0): listenerCallback - HPD Thunderbolt package for road port = 0 x 0 = 11 unplug = 0

  16/04/2016 03:12:54.000 kernel [0]: IOThunderboltSwitch < 0 > (0x0): listenerCallback - HPD Thunderbolt package for road port = 0 x 0 = 12 disconnect = 0

  16/04/2016 03:12:54.000 kernel [0]: TBT W (2): 0 x 0040 [x]

  16/04/2016 03:12:54.000 kernel [0]: en0: BSSID changed for d0:03:4 b: d3:ec:3 has

  16/04/2016 03:12:54.000 kernel [0]: en0: channel changed to 11

  16/04/2016 03:12:54.000 kernel [0]: ARPT: 73663.894497: ARPT: reason Wake: Wake on MDNS Service

  16/04/2016 03:12:54.000 kernel [0]: in6_unlink_ifa: address 0xdc041ba1a7db56f5 IPv6 has no prefix

  16/04/2016 03:12:54.359 ntpd [195]: sigio_handler: sigio_handler_active! = 1

  16/04/2016 03:12:54.359 ntpd [195]: sigio_handler: sigio_handler_active! = 0

  16/04/2016 03:12:54.554 Dock [427]:-[UABestAppSuggestionManager notifyBestAppChanged:type:options:bundleIdentifier:activityType:dynamicIdentifi er: when: trust: deviceName:deviceIdentifier:deviceType:] (null) UASuggestedActionType = 0 (null) / (null) opts = (null) when = 2016-04-16 02:12:54 + 0000 trust = 1 from = (null) / (null) (UABestAppSuggestionManager.m #319)

  16/04/2016 03:12:54.970 ntpd [195]: wake up time together + 0.320920 s

  16/04/2016 03:12:55.000 kernel [0]: Airport: Link Up on awdl0

  16/04/2016 03:12:55.778 ntpd [195]: sigio_handler: sigio_handler_active! = 0

  16/04/2016 03:12:55.778 ntpd [195]: sigio_handler: sigio_handler_active! = 1

  16/04/2016 03:12:55.000 kernel [0]: USBMSC (non-unique) identifier: 000000000820 0x5ac 8406 x 0 0 x 820, 3

  16/04/2016 03:12:55.000 kernel [0]: ARPT: 73665.092189: AirPort_Brcm43xx::powerChange: Wake - wake-up full system / Dark Wake / maintenance wake

  16/04/2016 03:12:55.000 kernel [0]: ARPT: 73665.092216: IOPMPowerSource information: onWake, SleepType: Normal sleep, "ExternalConnected": Yes, "TimeRemaining": 0.

  16/04/2016 03:12:55.000 kernel [0]: ARPT: 73665.092241: ARPT: reason Wake: Wake on MDNS Service

  16/04/2016 03:12:55.000 kernel [0]: ARPT: 73665.092287: AirPort_Brcm43xx::platformWoWEnable: WWEN [disable]

  16/04/2016 03:12:55.000 kernel [0]: AppleCamIn::systemWakeCall - messageType = 0xE0000340

  16/04/2016 03:12:55.000 kernel [0]: AppleCamIn::wakeEventHandlerThread

  16/04/2016 03:12:55.884 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:12:55.884 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:12:55.000 kernel [0]: [HIDDEN] [ATC] AppleDeviceManagementHIDEventService::processWakeReason Wake reason: host (0x01)

  16/04/2016 03:12:59.000 kernel [0]: AppleCamIn::handleWakeEvent_gated

  16/04/2016 03:12:59.000 kernel [0]: TCON: the loan at HW

  16/04/2016 03:13:00.000 kernel [0]: AppleCamIn::handleWakeEvent_gated

  16/04/2016 03:13:07.462 com.apple.usbmuxd [81]: failure of USBMuxBonjourDeviceReconfirm DNSServiceReconfirmRecord (60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mo bdev2._tcp.local.) -65541.

  16/04/2016 03:13:07.463 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 657

  16/04/2016 03:13:07.464 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 657

  16/04/2016 03:13:07.464 iTunes [1437]: tid:1bbb3 - Mux ID not found in the mapping Dictionary

  16/04/2016 03:13:07.464 iTunes [1437]: tid:1bbb3 - handle cannot disconnect with invalid ecid

  16/04/2016 03:13:12.917 com.apple.usbmuxd [81]: LOCKDOWN_V2_BONJOUR_SERVICE_NAME is _apple - mobdev2._tcp, 8e9e07de

  16/04/2016 03:13:12.920 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:13:12.920 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:13:16.391 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 659

  16/04/2016 03:13:16.391 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 659

  16/04/2016 03:13:16.391 iTunes [1437]: tid:228eb - Mux ID not found in the mapping Dictionary

  16/04/2016 03:13:16.391 iTunes [1437]: tid:228eb - handle cannot disconnect with invalid ecid

  16/04/2016 03:15:04.215 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:15:04.216 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:15:16.183 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:15:16.184 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:15:23.878 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 661

  16/04/2016 03:15:23.878 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 661

  16/04/2016 03:15:23.878 iTunes [1437]: tid:2524f - Mux ID not found in the mapping Dictionary

  16/04/2016 03:15:23.878 iTunes [1437]: tid:2524f - handle cannot disconnect with invalid ecid

  16/04/2016 03:15:28.194 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 660

  16/04/2016 03:15:28.194 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 660

  16/04/2016 03:15:28.195 iTunes [1437]: tid:1badf - Mux ID not found in the mapping Dictionary

  16/04/2016 03:15:28.195 iTunes [1437]: tid:1badf - handle cannot disconnect with invalid ecid

  16/04/2016 03:16:29.471 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:16:29.471 com.apple.usbmuxd [81]: _SendAttachNotification device 78:7e:61:a1:66:69@fe80::7a7e:61ff:fea1:6669._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:16:37.199 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 662

  16/04/2016 03:16:37.199 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 662

  16/04/2016 03:16:37.199 iTunes [1437]: tid:c0fb - Mux ID not found in the mapping Dictionary

  16/04/2016 03:16:37.199 iTunes [1437]: tid:c0fb - handle cannot disconnect with invalid ecid

  16/04/2016 03:18:15.432 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:18:15.432 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:18:40.794 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 663

  16/04/2016 03:18:40.794 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 663

  16/04/2016 03:18:40.794 iTunes [1437]: tid:22817 - Mux ID not found in the mapping Dictionary

  16/04/2016 03:18:40.794 iTunes [1437]: tid:22817 - handle cannot disconnect with invalid ecid

  16/04/2016 03:19:10.309 Safari [2504]: tcp_connection_tls_session_error_callback 205 __tcp_connection_tls_session_callback_write_block_invoke.434 error 22

  16/04/2016 03:20:36.303 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:20:36.303 com.apple.usbmuxd [81]: _SendAttachNotification device 60:a3:7d:a0:e4:ce@fe80::62a3:7dff:fea0:e4ce._apple-mobdev2._tcp.local. has already appeared on the 4 interface. Removal of duplicates join the notification.

  16/04/2016 03:20:54.433 iTunes [1437]: entry: _AMMuxedDeviceDisconnected, mux-device: 664

  16/04/2016 03:20:54.433 iTunes [1437]: entry: __thr_AMMuxedDeviceDisconnected, mux-device: 664

  16/04/2016 03:20:54.434 iTunes [1437]: tid:1ff8f - Mux ID not found in the mapping Dictionary

  16/04/2016 03:20:54.434 iTunes [1437]: tid:1ff8f - handle cannot disconnect with invalid ecid

  16/04/2016 bootlog 09:22:40.000 [0]: BOOT_TIME 1460794960 0

  16/04/2016 09:23:11.000 syslogd [46]: notice of Configuration:

  ASL Module 'com.apple.AccountPolicyHelper' claims the selected messages.

  These messages may not appear in the standard system log files or in the database of the ASL.

  16/04/2016 09:23:11.000 syslogd [46]: notice of Configuration:

  ASL Module 'com.apple.Accounts' claims the selected messages.

  These messages may not appear in the standard system log files or in the database of the ASL.

  16/04/2016 09:23:11.000 syslogd [46]: notice of Configuration:

  ASL Module 'com.apple.Accounts' claims the selected messages.

  These messages may not appear in the standard system log files or in the database of the ASL.

  16/04/2016 09:23:11.000 syslogd [46]: notice of Configuration:

  Please unplug all devices and mobile devices. Any change?

• Damage to the screen from Macbook Pro retina

  Then I found a thread similar to this one.

  But no one seemed to have a definitive answer.

  I have a Macbook Pro 13 "retina 2014 and there is some damage on the screen. Seems to be the transparent layer that is consumed.

  I have used a cleaner Whiteboard which I assume is the question. Is there any difficulty in it and if not how easy/expensive is it to fix?

  

  Call Apple and make no mention of yo trying to clean it up. Products Apple are not guaranteed against this type of damage, unless you bought in a store that offers additional guarantees that apple does not offer.

  Apple provides this document on their cleaning devices and Whiteboard cleaner is not on the list

  Cleaning of your Apple - Apple Support products

  If you have a 3rd party repair not authorized apple, Apple may choose not to offer to solve the problem, even if you offer to pay the rate for the repair.

  Contact Apple is at the bottom of this page

• Spots on the screen of Macbook Pro retina (Staingate)

  Hello

  For a long time I have in my Macbook Pro retina and and a few days ago I just know that there is a site that some users have been implemented to inform this anomaly in the quality of Apple laptops Macbook Pro retina screen.

  It is very annoying and it is not a solution. However, I saw that on the www.staingate.org site all users with this problem are eligible for a full exchange of the screen.

  Do you know if there is a time limit for a full exchange of the screen? Users with more than 3 years with full screen replaced there Facebook page "https://www.facebook.com/groups/607572909386595/" and www.staingate.org .

  Thanks for your advice.

  You have until 16 October of this year, or 3 years after the original date of purchase of your computer, longer applying.

• HP all-in - One PC 19-2113w 19: white/black screen after upgrading RAM

  Hello

  So I have upgraded RAM using 2 x 4 GB SODIMM DDR3 Corsair 1600 Mhz, after installing the PC boots but screen is white/black

  steps to follow:

  1. I tried with 1 socket by using only a RAM, screen black

  2. I tried with 2 socket using RAM only one with the same RAM step 1, screen black

  3. I tried step 1 and 2 using the other RAM, screen black

  now here it gets interesting

  4 tried 1 socket using Original/factory RAM, screen black

  5 tried 2 socket using Original/factory RAM, screen black

  6. tried without any RAM at all, looks like a lack of RAM, screen black

  Now, to each measure adopted, I must say that the screen sound not only not showing things, but its totally black as it does at all, until the system starts normally. !

  Is it Possible the upgrade of RAM affect the screen? or maybe when I was replacing the RAM I hit some conecting by cable to screen or something?

  HP 19 all-in-ONE PC

  Product No.G4B06AA #ABA

  Model n ° 19-2113w

  10 64-bit Windows

  Update

  Removed the battery and hold the power for 30 sec button (BIOS reset if I'm not mistaken?) now it works with the orginal of RAM so I guess my new RAM that's the problem!

• iMac G4 as a secondary screen for MacBook Pro

  I have an old iMac G4 which I would use as a secondary display for my MacBook Pro (13-inch, mid-2012).

  My guess would be to use the VGA port and port G4 mini Thunderbolt of the MBP but can work?

  And what kind of cards can I use?

  Thank you very much

  You must configure Virtual Network Computing.

  (144752)

• It did not work on Macbook white 2010 or 2010 MacBook pro installed in El Capitan and Yosemite respectively y at - it something special for these releases?

  Apple hardware test does not on macbook pro or macbook, 2010, 2010. Both run 10.1 and 10.10, respectively. Wielding D in power does not launch apple hardware test as advertised. s he is weaned something special to do?

  Thank you

  Alex

  For versions of model before 2013 diagnostic test uses a different method.

  Two different media cover aspects There are reasons

  Why the AHT vs diagnoses may not work in some models of the year of construction.

  And with specific systems, the recovery partition (or lack thereof).

  • With the help of Apple Diagnostics - Apple Support

  For computers shipped with OS X 10.7 or earlier, the test is on the

  Press Kit of included system disk; If you start from there to run the test.

  • With the help of Apple Hardware Test - Apple Support

  • Finding material defects: explore Ardourel & Apple Diagnostics

  Before you run AHT /Apple Diagnostics. By controlling both the software and

  distribution of material for its systems, Apple is able to optimize the two halves to work...

  http://computers.tutsplus.com/tutorials/finding-hardware-faults-exploring-AHT-AP ple-diagnosis-mac-60456

  There are some methods and ideas in the articles above.

  A reason for the question, you face, is the vintage material & macOS they shipped with.

  Good luck & happy computing!

• Spots on the screen from macbook pro 13 early 2015

  I am from Nepal and bought Macbook pro 13 Futureworld last year. I noticed stains and spots on Macbook pro early 2015. Its the apple care warranty. I would like to know if it is covered by the apple care warranty or not. With this question, I also think questions of wifi signal that falls and has bad reception. Windows 10 Hp431 works very well, Iphone5 too connects well to the router and on speedtest shows better resistance than that of the macbook pro 13.

  

  Best regards

  Rajesh

  This will be of interest to you: http://www.staingate.org

• Acer R7-572-6423 white/black screen. Indicator of battery/blue

  Acer R7-572-6423

  Windows 8.1

  Bought April 28, 2014.

  Question:

  Now I get a black screen permanently.  When it is connected to wall battery indicator is blue, I press the power button, light to power lights up blue for 7 seconds then turns off.  Nothing happens.  Screen not being able to, can not hear fans, etc. Same question not connected to the wall.

  There was a version of the 2.04 BIOS update that fixed a problem '2.Revise system cannot start when "Exit Discard Changes" has been selected in the BIOS menu."  I think this is my problem.

  Is there any recovery method that can be done at home to get out of this State?

  Here's one video of another user with the same laptop and same problem, but he has never released a fix. https://www.YouTube.com/watch?v=AJeEZO_czxw

  Another user suggests to send in the laptop to have the EPROM replaced but never said why or if it is fixed.

  Tried:

  Pinhole button to reset the system

  removed battery, hard drive

  looked for son crimped in hinge past on the screen

  Thanks for the help.

  Just updated my own post-

  Something on the motherboard is indeed stuck in a permanent off-State.  There is no solution in addition to the replacement of the motherboard together. They are more expensive because integrated cpu.

  My laptop is out of warranty for a reason any since I bought it via Acer Outlet on Amazon, even though the laptop itself had been built less than a year ago.

  Chat online support for problems would not help at all.  They are a 3rd third party vendor and do not do this things.

  Sent a request for repair of Acer. They want $399 for repair.

  It took a repairman (people super nice btw, way more useful than acer supports... I would suggest strongly local mom & pop stores if you can), they want $360.

  Don't know what I'll do yet. I think it's ridiculous to pay for a bug of software known bios that bricks your laptop, but that's just me.

  Marking this as resolved issue.

• Black screen on Satellite Pro C870-1CJ

  Good night

  I have a portable Satellite PRO 1CJ C870. A few days ago I got a blue screen showing display problems and since then, the laptop screen is black and there is no picture shown in it. I am entered mode secure and tried to connect it to a VGA monitor with success.
  As I guess it was a problem with the graphics card then in the blue screen message, he made atikmgpag.sys that I tried to install the latest version of the graphics driver t but no news on the laptop screen.
  I also tried Toshiba Tempro, which has not had the success also. I have tried several things without result.

  Can anyone help me to solve the problem? I'm a bit desperate.

  Thank you

  Gabriel

  As far as I know your laptop Satellite Pro C870-1CJ was equipped with two graphics cards:

  1 - internal Intel Graphics HD 4000, which is part of the Intel CPU
  2 external ATI Radeon HD M 7610

  The error that contains information about the atikmgpag.sys file seems to be related to the ATI graphics card driver.

  I'm not sure, but it might be possible that the graphics chip from ATI external began to malfunction.

  Anyway, if possible, try to retrieve the laptop as mentioned by Liam
  If this is not possible, the material may be affected and it could be costly to repair.

• Quickly formwork black screen on MacBook ' 09?

  Earlier today, I was on the Internet and for some strange reason, the screen went black 75% horizontally to the top of the screen and the rest of the ~ 25% took a shuttering effect, display the Web page, I was on and the normal screen, but constantly flicker to match the darkness below it. I recorded the event on my phone. Any idea why this happened? I know this is an old computer and will likely soon, but I usually never have problems with it. I had just turned on my computer and briefly surfe SURFs on the Web before this happened, leaving it on for too long was not the issue.

  I would try SMC and NVRAM resets:

  https://support.Apple.com/en-us/HT201295

  https://support.Apple.com/en-us/HT204063

  Also run Apple hardware test using the appropriate installation disc that came with your Macbook trha.

  Ciao.

• White/black screen after you run check disk error in Windows Vista.

  I ran a check of the disk error on my lenovo W700ds (Windows Vista) yesterday evening. When I logged into the machine the screen became black and white. I was able to start the Task Manager, and he showed no application running and less than a dozen processes running in the background (which is unusual). I was able to login using safe mode but may not know how to get rid of white screen black and restore anything that could have been smeared in the disc.

  Thank you

  Hello

  Method 1
  I suggest you boot the computer last known good configuration and check if the problem persists.

  Using the last good known Configuration
  http://Windows.Microsoft.com/en-us/Windows-Vista/using-last-known-good-configuration

  Method 2
  As you're able to boot in safe mode, I suggest you perform the clean boot and remove the program that is causing the problem.

  How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7
  http://support.Microsoft.com/kb/929135
  Note: Follow step 7 clean boot KB929135 article to reset the computer in normal mode.

• After you install Amd catalyst 13.12, laptop screen is white black screen switching

  Original title: catalyst for windows 8 portable 13.12 amd had deleted my screen

  while I was installing amd catalyst 13.12 suddenly my computer screen dell laptop is purple and black patch, nothing can be seen in the my computer screen, nothing is displayed, alt + ctrl + del also does not work, so I restarted the computer dell laptop symbol appeared then the windows loading 8 points appears then the screen next to the switch to white screen black and purple. I repeated it restart my pc so many times but the problem is the same

  Hi Abhishek,

  This problem may occur because of problems with the display card driver.

  What is the model of the Dell laptop?

  Please disconnect all external devices other than the keyboard and mouse.

  Since you are not able to go to the login screen or able to boot to the desktop, the only option we can try is to run the system restore by using the installation of Windows 8 media. To create an installation of Windows 8 (USB) media. Check out the following link.

  How to create the installation media for a PC refresh or reset:

  http://Windows.Microsoft.com/en-us/Windows-8/create-reset-refresh-media

  When you create the installation media, do the system restore. System Restore to restore your computer to a previous state, quickly and easily without losing any of your files and personal settings. Sometimes when you install programs or drivers, they can affect some system settings and prevent other programs to function properly. You can use system restore to restore these settings to their previous state. Refer to the steps:

  1. Insert the Windows 8 (DVD/USB) installation media, and then restart the computer.
  2. Hit F12 key (usually it's F12, but it may differ between computer manufacturers) and choose the drive in which you inserted into the installation media.
  3. Once the Windows Setup window appears, follow these steps:
  4. Then drag and select repair your computer.
  5. You will then see a blue screen and an option to choose.
  6. Choose the Troubleshooting option and select Advanced options.
  7. Select restore and follow the prompt on the screen.

  For your reference: System Restore

  Please follow the section restore your PC to an earlier point in time

  http://Windows.Microsoft.com/en-us/Windows-8/restore-refresh-reset-PC

  Warning the system restore: Application /programmes. that were installed after the last restore point will be lost. You may have to reinstall programs and applications.

  Please answer us on the State of the question to help you further.