511      iPhone_iPad_Mac_apple

recurring black screen on macOS Sierra 10.12.6 ...

recurring black screen on imac with sierra 10.12.6. smc and pram reset plus new instalation of 10.12.6 with total erase does not seem to have solved the problem. Although it does help at first. but the problem keeps on recurring. What could be the next step.

thanks in advance

pat

Try running this program in your normal account, then copy and paste the output in a reply. The program was created by etresoft, a frequent contributor.  Please use copy and paste as screen shots can be hard to read. On the screen with Options, please open Options and check the bottom 2 boxes before running. Click “Share Report” button in the toolbar, select “Copy Report” and then paste into a reply. This will show what is running on your computer. No personal information is shown.
  

Etrecheck – System Information

EtreCheck version: 3.4.4 (448)

Report generated 2017-08-28 10:11:38

Download EtreCheck from https://etrecheck.com

Runtime: 1:58

Performance: Excellent

Click the [Lookup] links for more information from Apple Support Communities.

Click the [Details] links for more information about that line.

Problem: Other problem

Description:

Recurring black screen

Hardware Information: ⓘ

    iMac (27-inch, Mid 2011)

    [Technical Specifications] - [User Guide] - [Warranty & Service]

    iMac - model: iMac12,2

    1 3,1 GHz Intel Core i5 (i5-2400) CPU: 4-core

    8 GB RAM Upgradeable - [Instructions]

        BANK 0/DIMM0

            2 GB DDR3 1067 MHz ok

        BANK 1/DIMM0

            2 GB DDR3 1067 MHz ok

        BANK 0/DIMM1

            2 GB DDR3 1067 MHz ok

        BANK 1/DIMM1

            2 GB DDR3 1067 MHz ok

    Handoff/Airdrop2: not supported

    Wireless:  en1: 802.11 a/b/g/n

    iCloud Quota: 5.00 GB available

Video Information: ⓘ

    AMD Radeon HD 6970M - VRAM: 1024 MB

        iMac 2560 x 1440

Disk Information: ⓘ

    WDC WD1001FALS-403AA0 disk0: (1 TB) (Rotational)

    [Show SMART report]

        EFI (disk0s1 - MS-DOS FAT32) <not mounted>  [EFI]: 210 MB

        Macintosh HD (disk0s2 - Journaled HFS+) /  [Startup]: 999.35 GB (777.74 GB free)

        Recovery HD (disk0s3 - Journaled HFS+) <not mounted>  [Recovery]: 650 MB

    OPTIARC DVD RW AD-5690H  ()

USB Information: ⓘ

     USB20Bus

        Apple Inc. FaceTime HD Camera (Built-in)

         hub_device

            Apple Inc. BRCM2046 Hub

                Apple Inc. Bluetooth USB Host Controller

     USB20Bus

         hub_device

            Apple Computer, Inc. IR Receiver

            Apple Card Reader

Thunderbolt Information: ⓘ

    Apple Inc. thunderbolt_bus

System Software: ⓘ

    macOS Sierra  10.12.6 (16G29) - Time since boot: about one hour

Gatekeeper: ⓘ

    Mac App Store and identified developers

System Launch Agents: ⓘ

    [not loaded]    8 Apple tasks

    [loaded]    183 Apple tasks

    [running]    91 Apple tasks

System Launch Daemons: ⓘ

    [not loaded]    42 Apple tasks

    [loaded]    179 Apple tasks

    [running]    95 Apple tasks

Launch Agents: ⓘ

    [not loaded]    com.teamviewer.teamviewer.plist (TeamViewer GmbH - installed 2017-08-16) [Lookup]

    [not loaded]    com.teamviewer.teamviewer_desktop.plist (TeamViewer GmbH - installed 2017-07-27) [Lookup]

Launch Daemons: ⓘ

    [loaded]    com.adobe.fpsaud.plist (? 2afb3af7 85012398 - installed 2017-07-25) [Lookup]

    [loaded]    com.teamviewer.Helper.plist (TeamViewer GmbH - installed 2017-07-27) [Lookup]

    [not loaded]    com.teamviewer.teamviewer_service.plist (TeamViewer GmbH - installed 2017-08-16) [Lookup]

User Launch Agents: ⓘ

    [loaded]    com.skype.skype.shareagent.plist (Skype Communications S.a.r.l - installed 2017-08-14) [Lookup]

User Login Items: ⓘ

    iTunesHelper    Programm (Apple, Inc. - installed 2017-08-14)

        (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

Internet Plug-ins: ⓘ

    FlashPlayer-10.6: 26.0.0.151 (installed 2017-08-27) [Lookup]

    QuickTime Plugin: 7.7.3 (installed 2017-07-15)

    Flash Player: 26.0.0.151 (installed 2017-08-27) [Lookup]

3rd Party Preference Panes: ⓘ

    Flash Player (installed 2017-07-25) [Lookup]

Time Machine: ⓘ

    Time Machine not configured!

Top Processes by CPU: ⓘ

         9%       mdworker

         8%       mdworker

         3%       mds

         2%       WindowServer

         1%       trustd

Top Processes by Memory: ⓘ

    878 MB        firefox

    557 MB        kernel_task

    367 MB        thunderbird

    258 MB        plugin-container

    192 MB        mds_stores

Top Processes by Network Use: ⓘ

    Input         Output        Process name

    8 KB          22 KB         firefox

    11 KB         11 KB         mDNSResponder

    8 KB          12 KB         apsd

    2 KB          2 KB          ntpd

    2 KB          1 KB          netbiosd

Top Processes by Energy Use: ⓘ

      5.62    WindowServer

      0.32    watchdogd

      0.04    thunderbird

      0.04    launchd

Virtual Memory Information: ⓘ

    3.78 GB       Available RAM

    1.48 GB       Free RAM

    4.22 GB       Used RAM

    2.29 GB       Cached files

    0 B           Swap Used

Software installs: ⓘ

    TeamViewer: 12.0.81460 (installed 2017-08-16)

    Adobe Flash Player:  (installed 2017-08-27)

    Install information may not be complete.

Diagnostics Information: ⓘ

    2017-08-28 08:57:30    Last shutdown cause: 0 - Power loss

Hallo Eric

thank you for your reply. i have reinstalled macosx Sierra 10.12.6. again After saving all my data to a external harddisk. It seemed as if the problem with the black screen was indeed over and done with. (About a week) But as i was copying my music back on to the mac ( external Harddrive with usb connection ) and online the blackscreen was there multiple times. each time i could get it back on with the on butten beening pressed multiple times. After disconnecting the drive and restarting i was able to continue to copy the data on to the mac. I have left the mac osx as origional as possible not making many preference changes. A few programs have been added. For whatever reasons it maybe happening it is not happing now. whow, if you have any ideas let me know i appreciate it.

thanks pat

最后更新：2017-08-28 21:10:40

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