HT201364 Where do I find what the current OS version that is in my Mac Book ?

Where do I find the operating system that is currently loaded into my Mac Book?

Look under the Apple menu (upper left) and choose "About This Mac".

Similar Messages

  • Where do I determine the current Firmware version that's installed?

    Where do I determine the current Firmware version that's installed?
    Thanks,
    Kristin.

    Firmware updates necessary (for OS X operation) for older Macs are available at Mac OS X: Available firmware updates
    http://docs.info.apple.com/article.html?artnum=86117
     Cheers, Tom

  • Is there a replacement app for adobe flash player?if not where can i go to download a secure version thats is for my mac ?

    is there something i can use for youtube or is there a flash player for make that can be downloaded sucurely?

    Download 11.8.800.94, it is the current stable version.

  • Where can I find what the latest version of Firefox is?

    I just want to know what the latest version of Firefox is. I'm not asking where I can download the latest version. In the past when I've gone to Firefox help and "About Firefox" It said I had the latest version when in fact I didn't. So I just want to know where I can go to find out what the latest version is. When I Google "What is the latest version of Firefox" it only tells me where to go for the download but not what the latest version is.
    Thanks,
    dycon

    You can find the full version of the current current Firefox release (37.0.1) in all languages and all operating systems here:
    *https://www.mozilla.org/en-US/firefox/all/
    If you hover a link then you can see its version number.
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    *https://www.mozilla.org/en-US/firefox/notes/

  • Where can I find what the error messages of Time Machine means?

    Checking my System Log Queries I found the following:
    Could not back up OS X Recovery to /Volumes/Backup2/Backups.backupdb: Error Domain=NSOSStatusErrorDomain Code=-10 "Could not create com.apple.Boot.plist for recovery set" (kCFURLUnknownError / dsMacsBugInstalled: ) UserInfo=0x7fed8b312100 {NSLocalizedDescription=Could not create com.apple.Boot.plist for recovery set}
    Can anyone explain what this means, and is it "fatal" in such a way that the backup made is useless for restoring? Where can I find documentation for such messages?
    Hans

    I reinstalled OS X just as you recommended. It seems that the error message concerning the  Recovery set changed:
    25/04/15 16:17:52,246 storedownloadd[491]: DownloadServiceDelegate: Accepting new connection <NSXPCConnection: 0x7ff598500fa0> connection from pid 487 with interface <DownloadServiceInterface: 0x7ff598506b50> (PID 487)
    25/04/15 16:17:59,751 com.apple.backupd[403]: Starting automatic backup
    25/04/15 16:17:59,995 com.apple.backupd[403]: Backing up to /dev/disk2s2: /Volumes/Backup2/Backups.backupdb
    25/04/15 16:18:00,806 com.apple.backupd[403]: Event store UUIDs don't match for volume: SSD Boot
    25/04/15 16:18:01,454 com.apple.backupd[403]: Deep event scan at path:/ reason:must scan subdirs|new event db|
    25/04/15 16:18:01,455 com.apple.backupd[403]: Running event scan
    25/04/15 16:18:30,853 mdworker[532]: code validation failed in the process of getting signing information: Error Domain=NSOSStatusErrorDomain Code=-67062 "The operation couldn’t be completed. (OSStatus error -67062.)"
    25/04/15 16:18:30,983 mdworker[532]: code validation failed in the process of getting signing information: Error Domain=NSOSStatusErrorDomain Code=-67062 "The operation couldn’t be completed. (OSStatus error -67062.)"
    25/04/15 16:18:32,812 com.apple.xpc.launchd[1]: (com.apple.imdmessageservices.IMDMessageServicesAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
    25/04/15 16:18:32,812 com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
    25/04/15 16:18:50,000 kernel[0]: process MacsFanControl[451] caught causing excessive wakeups. Observed wakeups rate (per sec): 641; Maximum permitted wakeups rate (per sec): 150; Observation period: 300 seconds; Task lifetime number of wakeups: 45544
    25/04/15 16:18:50,539 com.apple.xpc.launchd[1]: (com.apple.ReportCrash[559]) Endpoint has been activated through legacy launch(3) APIs. Please switch to XPC or bootstrap_check_in(): com.apple.ReportCrash
    25/04/15 16:18:50,540 ReportCrash[559]: Invoking spindump for pid=451 wakeups_rate=641 duration=71 because of excessive wakeups
    25/04/15 16:18:53,089 spindump[560]: Saved wakeups_resource.diag report for MacsFanControl version 1.2.1.0 (???) to /Library/Logs/DiagnosticReports/MacsFanControl_2015-04-25-161853_iMac-van-Hans. wakeups_resource.diag
    25/04/15 16:19:18,278 com.apple.backupd[403]: Finished scan
    25/04/15 16:19:18,770 com.apple.backupd[403]: Saved event cache at /Volumes/Backup2/Backups.backupdb/iMac van Hans/2015-04-25-161800.inProgress/C8A10FE4-5356-4E21-81A5-6E3F9C14FF93/.F999C86 6-1B71-3466-8990-9540C593C08A.eventdb
    25/04/15 16:19:18,868 com.apple.backupd[403]: Not using file event preflight for SSD Boot
    25/04/15 16:20:22,939 com.apple.backupd[403]: Will copy (769 bytes) from USERS1
    25/04/15 16:20:22,950 com.apple.backupd[403]: Found 423386 files (11,49 GB) needing backup
    25/04/15 16:20:23,207 com.apple.backupd[403]: 19,66 GB required (including padding), 1,41 TB available
    25/04/15 16:20:50,187 com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
    25/04/15 16:20:51,554 cloudphotosd[663]: Unable to register with launch services, result = -10819
    25/04/15 16:20:51,588 com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
    25/04/15 16:20:54,027 cloudphotosd[663]: +[CSLogger preferencesChanged:] reconfiguring logging
    25/04/15 16:20:54,244 cloudphotosd[663]: Determine service transition start: service=com.apple.photo.icloud.myphotostream personId=1353114644 lastKnownPersonId=(null) targetState=-1
    25/04/15 16:20:54,244 cloudphotosd[663]: Determine service transition end: 2, currentState: 3, shouldEnableService: 0
    25/04/15 16:20:54,566 cloudphotosd[663]: Determine service transition start: service=com.apple.photo.icloud.sharedstreams personId=1353114644 lastKnownPersonId=(null) targetState=-1
    25/04/15 16:20:54,566 cloudphotosd[663]: Determine service transition end: 2, currentState: 3, shouldEnableService: 0
    25/04/15 16:20:55,464 cloudphotosd[663]: Determine service transition start: service=com.apple.photo.icloud.cloudphoto personId=1353114644 lastKnownPersonId=(null) targetState=0
    25/04/15 16:20:55,464 cloudphotosd[663]: Determine service transition end: 2, currentState: 3, shouldEnableService: 0
    25/04/15 16:20:56,548 cloudphotosd[663]: New connection request from 666
    25/04/15 16:20:57,767 com.apple.photomoments[672]: Photomoments process awakened.
    25/04/15 16:20:57,956 com.apple.photomoments[672]: Connection error while checking Apple Internalness. Error: Error Domain=NSCocoaErrorDomain Code=4099 "Couldn’t communicate with a helper application." (The connection to service named com.apple.CrashReporterSupportHelper was invalidated.) UserInfo=0x7f92a143c050 {NSDebugDescription=The connection to service named com.apple.CrashReporterSupportHelper was invalidated.}
    25/04/15 16:20:58,164 sandboxd[323]: ([672]) com.apple.photom(672) deny mach-lookup com.apple.CrashReporterSupportHelper
    25/04/15 16:20:58,000 kernel[0]: process backupd[403] thread 9125 caught burning CPU! It used more than 50% CPU (Actual recent usage: 50%) over 180 seconds. thread lifetime cpu usage 90.873877 seconds, (42.019109 user, 48.854768 system) ledger info: balance: 90016080142 credit: 90016080142 debit: 0 limit: 90000000000 (50%) period: 180000000000 time since last refill (ns): 179260947065
    25/04/15 16:20:58,968 com.apple.xpc.launchd[1]: (com.apple.ReportCrash.Root[677]) Endpoint has been activated through legacy launch(3) APIs. Please switch to XPC or bootstrap_check_in(): com.apple.ReportCrash.DirectoryService
    25/04/15 16:20:59,150 com.apple.geod[675]: Connection error while checking Apple Internalness. Error: Error Domain=NSCocoaErrorDomain Code=4099 "Couldn’t communicate with a helper application." (The connection to service named com.apple.CrashReporterSupportHelper was invalidated.) UserInfo=0x7f90e9700130 {NSDebugDescription=The connection to service named com.apple.CrashReporterSupportHelper was invalidated.}
    25/04/15 16:20:59,160 sandboxd[323]: ([675]) com.apple.geod(675) deny mach-lookup com.apple.CrashReporterSupportHelper
    25/04/15 16:20:59,367 spindump[560]: Saved cpu_resource.diag report for backupd version ??? (???) to /Library/Logs/DiagnosticReports/backupd_2015-04-25-162059_iMac-van-Hans.cpu_res ource.diag
    25/04/15 16:21:56,492 mdworker[738]: code validation failed in the process of getting signing information: Error Domain=NSOSStatusErrorDomain Code=-67062 "The operation couldn’t be completed. (OSStatus error -67062.)"
    25/04/15 16:21:56,620 mdworker[738]: code validation failed in the process of getting signing information: Error Domain=NSOSStatusErrorDomain Code=-67062 "The operation couldn’t be completed. (OSStatus error -67062.)"
    25/04/15 16:23:29,049 com.apple.backupd-helper[68]: Not starting scheduled Time Machine backup: Backup already running
    25/04/15 16:23:39,154 com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
    25/04/15 16:23:39,795 com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
    25/04/15 16:29:15,765 com.apple.xpc.launchd[1]: (com.apple.DataDetectorsDynamicData) The JoinExistingSession key is only available to Application services.
    25/04/15 16:29:15,766 com.apple.xpc.launchd[1]: (com.apple.appkit.xpc.sandboxedServiceRunner) The JoinExistingSession key is only available to Application services.
    25/04/15 16:29:31,510 com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
    25/04/15 16:29:35,483 mdworker[293]: SCNetworkReachability server not available
    25/04/15 16:29:35,484 mdworker[293]: SCNetworkReachability server not available
    25/04/15 16:29:35,487 mdworker[293]: bootstrap_look_up2 failed with 0x44c
    25/04/15 16:29:35,487 mdworker[293]: IOPMConnectionCreate failed, 0xe00002c9
    25/04/15 16:29:35,719 sandboxd[323]: ([293]) mdworker(293) deny mach-lookup com.apple.SystemConfiguration.SCNetworkReachability (import fstype:hfs fsflag:480D000 flags:5E diag:0 isXCode:0 uti:public.html plugin:/Library/Spotlight/RichText.mdimporter - find suspect file using: sudo mdutil -t 2310261)
    25/04/15 16:29:35,754 sandboxd[323]: ([293]) mdworker(293) deny mach-lookup com.apple.PowerManagement.control (import fstype:hfs fsflag:480D000 flags:5E diag:0 isXCode:0 uti:public.html plugin:/Library/Spotlight/RichText.mdimporter - find suspect file using: sudo mdutil -t 2310261)
    25/04/15 16:31:03,369 com.apple.backupd[403]: Copied 223515 items (1,65 GB) from volume SSD Boot. Linked 210906.
    25/04/15 16:31:32,355 com.apple.backupd[403]: Copied 14 items (861 bytes) from volume USERS1. Linked 119.
    25/04/15 16:31:35,323 com.apple.backupd[403]: Created new backup: 2015-04-25-163135
    25/04/15 16:31:35,517 com.apple.xpc.launchd[1]: (com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
    25/04/15 16:31:35,000 kernel[0]: hfs: mounted Recovery HD on device disk0s3
    25/04/15 16:31:35,871 mds[57]: (Volume.Normal:2464) volume:0x7fb9c213e000 ********** Bootstrapped Creating a default store:0 SpotLoc:(null) SpotVerLoc:(null) occlude:0 /Volumes/Recovery HD
    25/04/15 16:31:35,918 fseventsd[44]: Logging disabled completely for device:1: /Volumes/Recovery HD
    25/04/15 16:31:35,932 com.apple.backupd[403]: Copying OS X Recovery set
    25/04/15 16:31:59,320 mdworker[290]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,320 mdworker[292]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,322 mdworker[293]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,328 mdworker[291]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,330 mdworker[885]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,334 mdworker[294]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,334 mdworker[295]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,335 mdworker[296]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,337 mdworker[297]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,337 mdworker[530]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,339 mdworker[788]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,339 mdworker[327]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,340 mdworker32[1077]: (ImportBailout.Error:1325) Asked to exit for Diskarb
    25/04/15 16:31:59,000 kernel[0]: hfs: unmount initiated on Recovery HD on device disk0s3
    25/04/15 16:32:00,119 com.apple.backupd[403]: Starting post-backup thinning
    25/04/15 16:32:00,120 com.apple.backupd[403]: No post-backup thinning needed: no expired backups exist
    25/04/15 16:32:00,133 com.apple.backupd[403]: Backup completed successfully.
    25/04/15 16:32:44,591 WindowServer[181]: CGXGetConnectionProperty: Invalid connection 54279
    Am I wrong or is the recovery set still " under fire"?

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    hi
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  • Whats the maximum memory i can install in a mac book 13

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    **Click the KUDOS thumb up on the left to say 'Thanks'**
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  • Where do i find what version of iTunes i have

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    With iTunes running pull down iTunes Menu > About. This will show you the version. To check for updates pull down Apple Menu > Software update.

  • Where can I find what phone loads are compatible with CME?

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    Hi Jared,
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    http://www.ipadastic.com/tutorials/how-to-find-your-ipad-serial-number
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