Speed up your mac

create
/etc/launchd.conf
with this content:
limit maxproc 2048
limit maxfiles 8129

in /etc. see launchctl limit. increase the number of process to 2048 and the number of file that can be open at the same time from 256 to 8129

Similar Messages

  • Speed up your Mac's System Performance . . .

    Just for anyone who's got their capture folder on their system drive . . .
    When I had no external drives (several months ago) I did a (free) Kona Speed Test:
    http://aja.com/html/supportkonaLHeswd.html
    Settings were:
    2 GB File - 720x576 Frame Size.
    The Quad was averaging around 42 MB/s.
    I gathered at the time, that's at the low end of acceptable.
    Just did the test today - with all my media files on seperate hard drive or external . . .
    Settings were:
    4 GB File - 720x576 Frame Size.
    Average Reading 54.1 MB/s
    Average Writing: 55.0 MB/s
    I don't have a clue whether these figures are good (and if anyone knows how to improve them, please tell me - I LOVE SPEED) but you have to agree, they're a heap better than I was getting before!
    (This is where someone chips in that their single processor G4's doing 85 MB/s and I feel really silly)!!!
    Andy
    G5 Quad. 8 GB. 250 & 500 GB Internal HDs. G-Tech G-Raid 1 TB. FCP 5.0.4 (Studio)   Mac OS X (10.4.7)   Sony HVR-Z1E.
    You can't educate pork . . ..

    Let's see, their website says they will respond within 24 hrs. It took a week. They said they were going to ship to an address that was wrong. I sent them urgent email saying it was the wrong address. They emailed back saying, of course they corrected it when they spoke to me on the phone. They never spoke to me on the phone. They said they were going to ship to a different address. still the wrong one. etc., etc., etc. The replacement terabyte drive failed within 2 weeks and they could not recover the files. When they said they would replace the drive I said I wanted a refund. They refused. I threatened a letter to their ceo, naming names with copies of all the emails and posting my story whenever I got the opportunity. They promised a refund within a few days. When I emailed a week later, they said to let them know if I didn't get the check within a week. And then they would check with accounting. That's where it stands now. I'm sending them a copy of this email. The registered letter to the ceo goes off at the end of the week.

  • Does a clean install really speed up your Mac?

    I did a clean install on my iMac and it was running extremely fast. I have now restored some applications from TM and things seem to be slowing down.
    Was it worth doing a clean install?

    my mini was extremely fast right after i started using it and for the first 4 or 6 months of use.
    now it seems almost as slow as my Cube.
    and i don't have a lot of applications instaled or third-party preference panes or small utilities.

  • Cleaning Up Your Mac

    Okay well I know for Safari you do Safari>Reset Safari and it cleans up that...but are there others ways to clean Safari/ the computer to get rid of all the cookies and everything to make the computer run faster? Thanks.

    Cookies should not affect the speed of your mac
    It's not necessary to do the kind of cleanups you have to do in windows--the mac is a very good housekeeper without any interference from you. Keeping as much empty space on your hard drive as you can is probably the single biggest thing that keep your mac zipping along.
    There are cache cleaning utilities, but except for browser caches, cache removal is a troubleshooting technique, not part of routine maintenance, and may actually hurt performance (you mac needs those system caches, for instance).
    For Safari you can go to Safari>Empty cache, and that's all you really should need to do. If you have broadband, you can set safari not to cache anything, too.

  • Is this beta? The image for Yosemite is a very big rock, appropriate as this OS sends your mac back to the stone-age. iTunes crashes on open, iPhoto won't download, movies won't play, Safari won't show graphics, wifi down to speed of crippled snail.

    Is this beta. The image for Yosemite is a very big rock, appropriate as this OS sends your mac back to the stone-age. iTunes crashes on open, iPhoto won't update, Safari shows text without graphics, can't get Java 8 'cause Safari "can't find server". Wifi slower than a crippled snail. Does anyone know how to uninstall this rubbish?

    travellingbirder wrote:
    Is this beta ?
    You tell us Finding the OS X version and build information on your Mac.

  • ****How to speed up/Fix installation errors on your Mac****

    I recently went to the geniuos bar, and got some help. For some reason my Mac wouldnt install anything made by Apple. Not iTunes, iPhoto, even iLife. I was stuck, but they helped. The main problem that happens quite abit is a problem with your OS. All you have to do, is re-install your OS. How do you do that? Well, here we go.
    First, grab your Mac OS X install disk.
    Next, double-click on the Install Mac OS X icon in the CD on your desktop.
    Then, Follow the onscreen instructions. In the pannel where you select the destination disk, select your current Mac OS X disk.
    Then, Click options. If you want to save your existing files, users, and network settings, (yes, you want to. It saves EVERYTHING.)
    Then, click continue.
    Finally, click install.
    Let it install, and then when installation is done, let your computer boot up. As it boots up, it will put all of your stuff back where it was. Then, when you get to your desktop, update your version of OS X to the newest version. Finally, go into /your name/previous systems. Now, delete previous system 1. There you go! Now, all your files are back where they where, the problems are fixed, and your Mac should be running like they are new!
    (NOTE: After doing this, you may have to re-install the plugins for the Safari webbrowser.)

    Kelly:
    Glad a re-install solved your issue. However, it is not the only, nor is necessarily the best solution to some issues.
    In terms of the re-install one should always backup the Users Folder, if you have any data on it, and any third party apps you want to save.
    Again, I am glad your issue was resolved to your satisfaction.
    Good luck.
    cornelius
    PismoG4 550, 100GB 5400 Toshiba internal, 1 GB RAM; Pismo 500 OS X (10.4.5)   Mac OS X (10.4.5)   Beige G3 OS 8.6

  • Is ther a way to speed up a Mac? Mine has gotten slower and slower over time.  When memory comes close to full would that have an effect on performance? Is there a way to determine unused programs/software to remove and free space?

    Is there a way to speed up a Mac (similar to de-fragging on a PC)? Mine has gotten slower and slower over time. 
    When memory/disc comes close to full would that have an effect on performance? How should I determine what programs/software to remove and free space?

    Things You Can Do To Resolve Slow Downs
    If your computer seems to be running slower here are some things you can do:
    Start with visits to:     OS X Maintenance - MacAttorney;
                                      The X Lab: The X-FAQs;
                                      The Safe Mac » Mac Performance Guide;
                                      The Safe Mac » The myth of the dirty Mac;
                                      Mac maintenance Quick Assist.
    Boot into Safe Mode then repair your hard drive and permissions:
    Repair the Hard Drive and Permissions Pre-Lion
    Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer.
    Repair the Hard Drive - Lion/Mountain Lion/Mavericks
    Boot to the Recovery HD:
    Restart the computer and after the chime press and hold down the COMMAND and R keys until the Utilites Menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD disk icon and click on the arrow button below.
    When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list.  In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive.  If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported, then click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu. Select Restart from the Apple menu.
    Restart your computer normally and see if this has helped any. Next do some maintenance:
    For situations Disk Utility cannot handle the best third-party utility is Disk Warrior;  DW only fixes problems with the disk directory, but most disk problems are caused by directory corruption; Disk Warrior 4.x is now Intel Mac compatible.
    Note: Alsoft ships DW on a bootable DVD that will startup Macs running Snow Leopard or earlier. It cannot start Macs that came with Lion or later pre-installed, however, DW will work on those models.
    Suggestions for OS X Maintenance
    OS X performs certain maintenance functions that are scheduled to occur on a daily, weekly, or monthly period. The maintenance scripts run in the early AM only if the computer is turned on 24/7 (no sleep.) If this isn't the case, then an excellent solution is to download and install a shareware utility such as Macaroni, JAW PseudoAnacron, or Anacron that will automate the maintenance activity regardless of whether the computer is turned off or asleep.  Dependence upon third-party utilities to run the periodic maintenance scripts was significantly reduced since Tiger.  These utilities have limited or no functionality with Snow Leopard or later and should not be installed.
    OS X automatically defragments files less than 20 MBs in size, so unless you have a disk full of very large files there's little need for defragmenting the hard drive.
    Helpful Links Regarding Malware Protection
    An excellent link to read is Tom Reed's Mac Malware Guide.
    Also, visit The XLab FAQs and read Detecting and avoiding malware and spyware.
    See these Apple articles:
              Mac OS X Snow Leopard and malware detection
              OS X Lion- Protect your Mac from malware
              OS X Mountain Lion- Protect your Mac from malware
              About file quarantine in OS X
    If you require anti-virus protection I recommend using VirusBarrier Express 1.1.6 or Dr.Web Light both from the App Store. They're both free, and since they're from the App Store, they won't destabilize the system. (Thank you to Thomas Reed for these recommendations.)
    Troubleshooting Applications
    I recommend downloading a utility such as TinkerTool System, OnyX, Mavericks Cache Cleaner, or Cocktail that you can use for removing old log files and archives, clearing caches, etc. Corrupted cache, log, or temporary files can cause application or OS X crashes as well as kernel panics.
    If you have Snow Leopard or Leopard, then for similar repairs install the freeware utility Applejack.  If you cannot start up in OS X, you may be able to start in single-user mode from which you can run Applejack to do a whole set of repair and maintenance routines from the command line.  Note that AppleJack 1.5 is required for Leopard. AppleJack 1.6 is compatible with Snow Leopard. Applejack does not work with Lion and later.
    Basic Backup
    For some people Time Machine will be more than adequate. Time Machine is part of OS X. There are two components:
    1. A Time Machine preferences panel as part of System Preferences;
    2. A Time Machine application located in the Applications folder. It is
        used to manage backups and to restore backups. Time Machine
        requires a backup drive that is at least twice the capacity of the
        drive being backed up.
    Alternatively, get an external drive at least equal in size to the internal hard drive and make (and maintain) a bootable clone/backup. You can make a bootable clone using the Restore option of Disk Utility. You can also make and maintain clones with good backup software. My personal recommendations are (order is not significant):
      1. Carbon Copy Cloner
      2. Get Backup
      3. Deja Vu
      4. SuperDuper!
      5. Synk Pro
      6. Tri-Backup
    Visit The XLab FAQs and read the FAQ on backup and restore.  Also read How to Back Up and Restore Your Files. For help with using Time Machine visit Pondini's Time Machine FAQ for help with all things Time Machine.
    Referenced software can be found at MacUpdate.
    Additional Hints
    Be sure you have an adequate amount of RAM installed for the number of applications you run concurrently. Be sure you leave a minimum of 10% of the hard drive's capacity as free space.
    Add more RAM. If your computer has less than 2 GBs of RAM and you are using OS X Leopard or later, then you can do with more RAM. Snow Leopard and Lion work much better with 4 GBs of RAM than their system minimums. The more concurrent applications you tend to use the more RAM you should have.
    Always maintain at least 15 GBs or 10% of your hard drive's capacity as free space, whichever is greater. OS X is frequently accessing your hard drive, so providing adequate free space will keep things from slowing down.
    Check for applications that may be hogging the CPU:
    Pre-Mavericks
    Open Activity Monitor in the Utilities folder.  Select All Processes from the Processes dropdown menu.  Click twice on the CPU% column header to display in descending order.  If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar.  Click on the Force Quit button to kill the process.  See if that helps.  Be sure to note the name of the runaway process so you can track down the cause of the problem.
    Mavericks and later
    Open Activity Monitor in the Utilities folder.  Select All Processes from the View menu.  Click on the CPU tab in the toolbar. Click twice on the CPU% column header to display in descending order.  If you find a process using a large amount of CPU time (>=70,) then select the process and click on the Quit icon in the toolbar.  Click on the Force Quit button to kill the process.  See if that helps.  Be sure to note the name of the runaway process so you can track down the cause of the problem.
    Often this problem occurs because of a corrupted cache or preferences file or an attempt to write to a corrupted log file.

  • How do you know if your Mac is 2.4 GHz or 5 GHz 802.11n?

    We have a 2007 iMac and an original MacBook Air, which were both bought in January of 2008. And a brand new 17-inch MacBook Pro. Our Time Capsule is the older non-dual band model which was bought with the iMac and MacBook Air, again in January of 2008.
    If they are all 5GHz, I would think I would want to set the Time Capsule's Radio Mode for "802.11n only (5GHz)."
    Assuming that they are all 5GHz, is this what I should do for maximum efficiency, or does it really matter?
    (And yes, I know that our iPhones would not be able to use the 5GHz band. Not a problem)

    That's true. Apparently the 5Ghz band can use 40 mhz bandwith, rather than 20 mhz, which when combined with the relatively few 5ghz devices, means it can be quite a bit faster. I routinely get about 8-10 MB/sec (that's 64-80 megabits/sec) with my 2007 Macbook Pro and my Airport Extreme base station (802:11n). The signal from the Airport Extreme is pretty strong across even from about 150 feet away, and through several walls, but the speed drops significantly (to around 2 MB/sec at best)
    Unfortunately, I'm not sure how to confirm your Macs support 5 ghz, apart from simply trying to connect to a 5 Ghz only network. I would assume that since my late 2007 MacBook Pro supports it, your Macbook (and probably Macbook Air) will support it too. I can't say for the iMac.
    You can look in the Airport section of System Profiler, then look for an entry like this:
    Supported PHY Modes: 802.11 a/b/g/n
    Note the 802:11 a - apparently the "a" refers to the 5 Ghz band, which is used by 802:11n. So, if it shows this, I figure it should work fine.

  • Download Speed On  a mac

    Hello All
    Simple question !
    Why the Download Speed on A mac slower than on A PC ? Or on OS X Than Windows
    Many Users have this problem ..
    I looked every where i tried every single method and suggestions
    Changing DNS
    Updating my router software AND SO ON
    Nothing help !!
    What is really confusing me is
    I have windows operating system running on my mac "Vmware"
    My internet concoction speed 4mb
    when i download file on windows i get the full download speed 480 to 512
    when i switch back to my mac i get maximum 350 !!
    It's the same machine ?? Why !!
    Thank you
    Message was edited by: Rayan Albader

    USB speed is limited to the speed of all the connected devices on the same bus. The bus is the portion of the computer's data traffic cop that connects several USB devices at once. Go to Apple menu -> About This Mac -> More Info to determine if there are any slower items connected to the same bus. Some USB ports may connect to a different bus under the USB section. If you want to see which bus a device has moved to after physically moving it, select Refresh from the View menu. Additionally some USB non-Apple devices may trip up if you put your machine to sleep either but closing the lid, or manually from the Apple menu, or automatically through the timer in the Energy Saver System Preferences. Some of these connection devices have latency issues. This means, they need a place to store their downloads before they come onto your computer. It may be their driver on the PC has settings to store something on the machine directly. Make sure your Mac isn't too full*:
    http://www.macmaps.com/diskfull.html
    - * Links to my pages may give me compensation.

  • What is this all about? "The "QuickTime Plug-in 7.6.6" plug-in is slowing down your Mac. You can wait for it to recover or stop it now."  I'm running Mavericks 6.8.

    I regularly get a prompt reading as follows: "The "QuickTime Plug-in 7.6.6" plug-in is slowing down your Mac. You can wait for it to recover or stop it now."  I've tried waiting, but nothing happens.  I "stop it now" and lose the page I'm reading.

    GJD
    You haven't provided quite enough info for anyone to be able to help. Please follow these tips:
    Quoted from Apple's "How to write a good question"
       To help other members answer your question, give as many details as you can.
    Include your product name and specs such as processor speed, memory, and storage capacity. Please do not include your Serial Number, IMEI, MEID, or other personal information.
    Provide the version numbers of your operating system and relevant applications, for example "iOS 6.0.3" or "iPhoto 9.1.2".
    Describe the problem, and include any details about what seems to cause it.
    List any troubleshooting steps you've already tried, or temporary fixes you've discovered.
    CCC

  • What is the best and easiest way to speed up a Mac-MINI?

    What is the best and easiest way to speed up a Mac Mini without adding memory?

    I'd tried to reply yesterday to your question but for some reason it didn't go anywhere and I got a red message box in the Discussion post area with "error." After trying three times, including  log-out, clear cookies from browser (and history) and back in, I still was unable to add my post with links to resources for your Mini, here. And the last time I tried that, the copied text also went missing as I found it gone after considering to make a Text document of it, for later posting.
    Anyway, the http://iFixit.com site has guides on how to replace RAM in the computer you have. Note there are different models shown and from what I remember, yours is the last 'old look' Mini with an optical drive. The model after that is thin, a 2010 model with slot in front for discs; the next one has no internal optical drive.
    RAM specs:  2 - 204-pin PC3-8500 (1066 MHz) DDR3 SO-DIMM (replace pair) up to 8GB total. Best price would be an online vendor of repute, once you know about what they sell for, you could ask a local mac expert if they could get you a better than retail price. I get ram from OEMPCworld and shipping is about $1. including insurance to my post office box, priority or 1st class. At about half retail. Crucial (website) offers parts, too; and so does OWC (other world computing).
    In addition, I recommended checking into the build specs and quality of the OWC (esales) site for external enclosures with their own power supply, for hard disk drive; for storage and bootable clones on different partitions. And see about Bombiche Carbon copy cloner, it is a commercial product now, not donationware. I've used it successfully to make competely bootable clones on a suitable external HDD (drive should have own power supply, too) A 750GB HDD in a self-powered enclosure that can boot Mac OS X from a clone, is a good start on backing up your upgraded OSX in a way you can clone it back into an empty, wiped or new HDD inside the computer; and it can run from the external. You can't necessarily use a TimeMachine that way.
    This should be your Mini -- check other indicators to be sure:
    http://www.ifixit.com/Device/Mac_Mini_Model_A1283
    A serial number lookup site such as the one I end up using because I had it bookmarked is OK: http://www.powerbookmedic.com/identify-mac-serial.php & also have mactracker http://mactracker.ca
    Anyway, before I time out or exceed post content(?) This is not all I meant to write before.
    Good luck & happy computing!

  • Any mac user use some kind of apps to "clean" your mac???

    i know that a lot of software are build for "CLEAN YOUR MAC", software like clean my mac, mac keeper, ccleaner. etc
    they all said that when we use our mac, there are a lot of "dummiy files " like language pack or used history .ect that need to be cleaned.
    if we dun clean it, it will make the system laggy.
    i know some ppl on the internet said its true,then other ppl said that all these softwares are jus malware, its totally unecessary to use all these.
    the mac ox system will clean itself.
    which one is true???
    did Apple claim or announce anything about these software???
    If its true,the softwares can clean your mac, how come all of these apps CANT go to Mac App Store???
    IF its true, you guys use what software to run the cleaning process???

    Macs do not need "cleaning". Apps such as the ones you mention have the ability to wreck your Mac.
    If its true,the softwares can clean your mac, how come all of these apps CANT go to Mac App Store???
    Because they are not safe to use.
    There are apps in the App Store that suggest the ability or necessity to "clean" memory or unwanted files. They are worthless and are only capable of degrading performance and wasting power. They will also waste your time and your money. Deleting localization files will cause problems and cannot be un-done without reinstalling OS X. Language files use a negligible amount of disk space.
    IF its true, you guys use what software to run the cleaning process???
    A much better question is "how should I protect my Mac":
    Never install any product that claims to "speed up", "clean up", "optimize", or "accelerate" your Mac. Without exception, they will do the opposite.
    Never install pirated or "cracked" software, software obtained from dubious websites, or other questionable sources. Illegally obtained software is almost certain to contain malware.
    Don’t supply your password in response to a popup window requesting it, unless you know what it is and the reason your credentials are required.
    Don’t open email attachments from email addresses that you do not recognize, or click links contained in an email:
    Most of these are scams that direct you to fraudulent sites that attempt to convince you to disclose personal information.
    Such "phishing" attempts are the 21st century equivalent of a social exploit that has existed since the dawn of civilization. Don’t fall for it.
    Apple will never ask you to reveal personal information in an email. If you receive an unexpected email from Apple saying your account will be closed unless you take immediate action, just ignore it. If your iTunes or App Store account becomes disabled for valid reasons, you will know when you try to buy something or log in to this support site, and are unable to.
    Don’t install browser extensions unless you understand their purpose. Go to the Safari menu > Preferences > Extensions. If you see any extensions that you do not recognize or understand, simply click the Uninstall button and they will be gone.
    Don’t install Java unless you are certain that you need it:
    Java, a non-Apple product, is a potential vector for malware. If you are required to use Java, be mindful of that possibility.
    Disable Java in Safari > Preferences > Security.
    Despite its name JavaScript is unrelated to Java. No malware can infect your Mac through JavaScript. It’s OK to leave it enabled.
    Block browser popups: Safari menu > Preferences > Security > and check "Block popup windows":
    Popup windows are useful and required for some websites, but popups have devolved to become a common means to deliver targeted advertising that you probably do not want.
    Popups themselves cannot infect your Mac, but many contain resource-hungry code that will slow down Internet browsing.
    If you ever see a popup indicating it detected registry errors, that your Mac is infected with some ick, or that you won some prize, it is 100% fraudulent. Ignore it.
    Ignore hyperventilating popular media outlets that thrive by promoting fear and discord with entertainment products arrogantly presented as "news". Learn what real threats actually exist and how to arm yourself against them:
    The most serious threat to your data security is phishing. To date, most of these attempts have been pathetic and are easily recognized, but that is likely to change in the future as criminals become more clever.
    OS X viruses do not exist, but intentionally malicious or poorly written code, created by either nefarious or inept individuals, is nothing new.
    Never install something without first knowing what it is, what it does, how it works, and how to get rid of it when you don’t want it any more.
    If you elect to use "anti-virus" software, familiarize yourself with its limitations and potential to cause adverse effects, and apply the principle immediately preceding this one.
    Most such utilities will only slow down and destabilize your Mac while they look for viruses that do not exist, conveying no benefit whatsoever - other than to make you "feel good" about security, when you should actually be exercising sound judgment, derived from accurate knowledge, based on verifiable facts.
    Do install updates from Apple as they become available. No one knows more about Macs and how to protect them than the company that builds them.
    Summary: Use common sense and caution when you use your Mac, just like you would in any social context. There is no product, utility, or magic talisman that can protect you from all the evils of mankind.

  • How to speed up a mac

    How to speed up a Mac.

    More information is required to begin addressing your question, much more. What specific model Mac Pro are you using?  (Apple) menu > About This Mac...
    Whatever you do, do not download or install any product claiming to magically "clean up" or "speed up" or "optimize" your Mac. Without exception, they will do the opposite. If you already did, you found the problem. Fix it.
    If it is only Web browsing that seems to be slower than it used to, that is often the result of such sites becoming ever more demanding of hardware and bandwidth. Short of paying for faster Internet service, buying additional memory, or a faster Mac, there is little you can do to cope with such so-called progress.
    If you are experiencing general slowdowns or "freezes" unrelated to Internet activity, the problem may be related to your computer or the software you installed and is something you may be able to fix, or at least improve. Aside from hardware failures and software that you install, including OS upgrades, there is no reason that your computer should not work precisely the same as it did when it was new. 
    Without a more specific description it is difficult to provide specific guidance. Read the following to determine if something may apply to your concern:
    General Mac maintenance: Tips to keep your Mac in top form
    General purpose Mac troubleshooting guide: Isolating issues in Mac OS X
    Creating a temporary account to isolate user-specific problems: Isolating an issue by using another user account
    Memory limitations: Using Activity Monitor to read System Memory and determine how much RAM is being used
    Identifying resource hogs and other tips: Runaway applications can shorten battery runtime, affect performance, and increase heat and fan activity
    To identify potential hardware problems: Apple Hardware Test.
    To resolve startup issues and perform disk maintenance, use Disk Utility.
    Safe Mode or "Safe Boot" is a troubleshooting mode that bypasses all third party system extensions and loads only required system components. Read about it: Starting up in Safe Mode

  • How can I read the internet speed in a MAC?

    How can I find the INTERNET SPEED in a MAC?

    You typically use a free Internet Speed test. It does an upload and a download from a known site, bypassing certain configuration problems. Just do a search to find a dozen services eager to test with you (in exchange for the Ads on their pages).
    Do not pay for this service, and DO NOT accept any CR@P they suggest you download to "fix" your speed. They cannot tell from outside whether you have problems, and none of the things you can download ever makes anything better.
    If using Wi-Fi, one generally finds that the Wi-Fi part of the connection is the limiting factor.

  • "Shut Down your Mac" window appear

    Hello, just now window with message that I need to turn my Mac was appeared, there was instruction that I need to hold power button for a few seconds. I made it and recived error report:
    [quote]
    Interval Since Last Panic Report:  5436007 sec
    Panics Since Last Report:          1
    Anonymous UUID:                    3B48A598-F87D-45DC-9C54-E8FCEC514F82
    Sun Feb 10 22:39:29 2013
    panic(cpu 3 caller 0xffffff80002c4794): Kernel trap at 0xffffff7f80e10b23, type 14=page fault, registers:
    CR0: 0x000000008001003b, CR2: 0x000000040002bdeb, CR3: 0x000000006e3b302f, CR4: 0x00000000000606e0
    RAX: 0x000000040002bd93, RBX: 0xffffff8019f9fd10, RCX: 0x000000040002bd93, RDX: 0xffffff800d464d10
    RSP: 0xffffff807f85bae0, RBP: 0xffffff807f85baf0, RSI: 0xffffff8019f9fd10, RDI: 0xffffff800d464d10
    R8:  0x0000000000000000, R9:  0x0000000000000000, R10: 0xffffff800e058400, R11: 0xffffff7f80db6c30
    R12: 0xffffff8019f9fd10, R13: 0xffffff800e058400, R14: 0xffffff800d53bc00, R15: 0xffffff800e058400
    RFL: 0x0000000000010203, RIP: 0xffffff7f80e10b23, CS:  0x0000000000000008, SS:  0x0000000000000010
    CR2: 0x000000040002bdeb, Error code: 0x0000000000000000, Faulting CPU: 0x3
    Backtrace (CPU 3), Frame : Return Address
    0xffffff807f85b790 : 0xffffff8000220792
    0xffffff807f85b810 : 0xffffff80002c4794
    0xffffff807f85b9c0 : 0xffffff80002da55d
    0xffffff807f85b9e0 : 0xffffff7f80e10b23
    0xffffff807f85baf0 : 0xffffff7f80e0d2f2
    0xffffff807f85bb10 : 0xffffff7f80e0e5df
    0xffffff807f85bb40 : 0xffffff800063dd21
    0xffffff807f85bba0 : 0xffffff7f80e0bfb8
    0xffffff807f85bbe0 : 0xffffff800063baeb
    0xffffff807f85bc20 : 0xffffff7f80e0bf16
    0xffffff807f85bc40 : 0xffffff8000656fbb
    0xffffff807f85bd80 : 0xffffff80002a3f08
    0xffffff807f85be80 : 0xffffff8000223096
    0xffffff807f85beb0 : 0xffffff80002148a9
    0xffffff807f85bf10 : 0xffffff800021bbd8
    0xffffff807f85bf70 : 0xffffff80002aef10
    0xffffff807f85bfb0 : 0xffffff80002daec3
          Kernel Extensions in backtrace:
             com.apple.iokit.IOAudioFamily(1.8.6f18)[8D690452-BF17-3DA0-BCAD-F1BCF1495926]@0 xffffff7f80e03000->0xffffff7f80e2ffff
                dependency: com.apple.kext.OSvKernDSPLib(1.3)[CF50CA5A-4AF6-3E28-B84B-9619535445E7]@0xfffff f7f80dfd000
    BSD process name corresponding to current thread: coreaudiod
    Mac OS version:
    11G63
    Kernel version:
    Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64
    Kernel UUID: FF3BB088-60A4-349C-92EA-CA649C698CE5
    System model name: iMac12,1 (Mac-942B5BF58194151B)
    System uptime in nanoseconds: 182546829266205
    last loaded kext at 165547627665565: com.apple.filesystems.msdosfs          1.7.1 (addr 0xffffff7f80798000, size 57344)
    last unloaded kext at 166466121855806: com.apple.driver.AppleUSBCDC          4.1.22 (addr 0xffffff7f80795000, size 12288)
    loaded kexts:
    com.apple.driver.AppleHWSensor          1.9.5d0
    com.apple.driver.AppleBluetoothMultitouch          70.12
    com.apple.driver.IOBluetoothA2DPAudioDriver          4.0.8f17
    com.apple.driver.IOBluetoothSCOAudioDriver          4.0.8f17
    com.apple.driver.AudioAUUC          1.59
    com.apple.driver.AGPM          100.12.75
    com.apple.filesystems.autofs          3.0
    com.apple.driver.AppleMikeyHIDDriver          122
    com.apple.driver.AppleHDA          2.2.5a5
    com.apple.driver.AppleMikeyDriver          2.2.5a5
    com.apple.driver.AppleUpstreamUserClient          3.5.9
    com.apple.kext.ATIFramebuffer          7.3.2
    com.apple.iokit.IOUserEthernet          1.0.0d1
    com.apple.driver.AppleSMCPDRC          5.0.0d8
    com.apple.iokit.IOBluetoothSerialManager          4.0.8f17
    com.apple.driver.AppleSMCLMU          2.0.1d2
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.AudioIPCDriver          1.2.3
    com.apple.driver.ApplePolicyControl          3.1.33
    com.apple.driver.ACPI_SMC_PlatformPlugin          5.0.0d8
    com.apple.driver.AppleLPC          1.6.0
    com.apple.ATIRadeonX3000          7.3.2
    com.apple.driver.AppleBacklight          170.2.2
    com.apple.driver.AppleMCCSControl          1.0.33
    com.apple.driver.AppleIntelHD3000Graphics          7.3.2
    com.apple.driver.BroadcomUSBBluetoothHCIController          4.0.8f17
    com.apple.iokit.SCSITaskUserClient          3.2.1
    com.apple.driver.AppleUSBCardReader          3.0.6
    com.apple.iokit.IOAHCISerialATAPI          2.0.3
    com.apple.driver.AppleIRController          312
    com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.BootCache          33
    com.apple.driver.XsanFilter          404
    com.apple.iokit.IOAHCIBlockStorage          2.1.0
    com.apple.driver.AppleUSBHub          5.1.0
    com.apple.driver.AirPort.Atheros40          505.67.1
    com.apple.iokit.AppleBCM5701Ethernet          3.2.4b8
    com.apple.driver.AppleEFINVRAM          1.6.1
    com.apple.driver.AppleFWOHCI          4.9.0
    com.apple.driver.AppleAHCIPort          2.3.1
    com.apple.driver.AppleUSBEHCI          5.1.0
    com.apple.driver.AppleACPIButtons          1.5
    com.apple.driver.AppleRTC          1.5
    com.apple.driver.AppleHPET          1.7
    com.apple.driver.AppleSMBIOS          1.9
    com.apple.driver.AppleACPIEC          1.5
    com.apple.driver.AppleAPIC          1.6
    com.apple.driver.AppleIntelCPUPowerManagementClient          195.0.0
    com.apple.nke.applicationfirewall          3.2.30
    com.apple.security.quarantine          1.4
    com.apple.security.TMSafetyNet          8
    com.apple.driver.AppleIntelCPUPowerManagement          195.0.0
    com.apple.driver.AppleBluetoothHIDKeyboard          160.7
    com.apple.driver.AppleHIDKeyboard          160.7
    com.apple.driver.AppleMultitouchDriver          231.4
    com.apple.driver.IOBluetoothHIDDriver          4.0.8f17
    com.apple.kext.triggers          1.0
    com.apple.driver.DspFuncLib          2.2.5a5
    com.apple.iokit.IOSurface          80.0.2
    com.apple.iokit.IOSerialFamily          10.0.5
    com.apple.iokit.IOFireWireIP          2.2.5
    com.apple.iokit.IOAudioFamily          1.8.6fc18
    com.apple.kext.OSvKernDSPLib          1.3
    com.apple.driver.AppleHDAController          2.2.5a5
    com.apple.iokit.IOHDAFamily          2.2.5a5
    com.apple.driver.AppleSMC          3.1.3d10
    com.apple.driver.IOPlatformPluginLegacy          5.0.0d8
    com.apple.driver.AppleSMBusPCI          1.0.10d0
    com.apple.driver.AppleGraphicsControl          3.1.33
    com.apple.driver.IOPlatformPluginFamily          5.1.1d6
    com.apple.driver.AppleBacklightExpert          1.0.4
    com.apple.driver.AppleThunderboltEDMSink          1.1.8
    com.apple.driver.AppleThunderboltEDMSource          1.1.8
    com.apple.driver.AppleSMBusController          1.0.10d0
    com.apple.kext.ATI6000Controller          7.3.2
    com.apple.kext.ATISupport          7.3.2
    com.apple.iokit.IONDRVSupport          2.3.4
    com.apple.driver.AppleIntelSNBGraphicsFB          7.3.2
    com.apple.iokit.IOGraphicsFamily          2.3.4
    com.apple.driver.AppleThunderboltDPOutAdapter          1.8.5
    com.apple.driver.AppleThunderboltDPInAdapter          1.8.5
    com.apple.driver.AppleThunderboltDPAdapterFamily          1.8.5
    com.apple.driver.AppleThunderboltPCIDownAdapter          1.2.5
    com.apple.driver.AppleUSBBluetoothHCIController          4.0.8f17
    com.apple.iokit.IOBluetoothFamily          4.0.8f17
    com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.2.1
    com.apple.iokit.IOBDStorageFamily          1.7
    com.apple.iokit.IODVDStorageFamily          1.7.1
    com.apple.iokit.IOCDStorageFamily          1.7.1
    com.apple.iokit.IOSCSIBlockCommandsDevice          3.2.1
    com.apple.iokit.IOUSBMassStorageClass          3.0.3
    com.apple.iokit.IOSCSIArchitectureModelFamily          3.2.1
    com.apple.iokit.IOUSBHIDDriver          5.0.0
    com.apple.driver.AppleUSBMergeNub          5.1.0
    com.apple.driver.AppleUSBComposite          5.0.0
    com.apple.driver.AppleThunderboltNHI          1.6.0
    com.apple.iokit.IOThunderboltFamily          2.0.3
    com.apple.iokit.IOUSBUserClient          5.0.0
    com.apple.iokit.IO80211Family          420.3
    com.apple.iokit.IOEthernetAVBController          1.0.1b1
    com.apple.iokit.IONetworkingFamily          2.1
    com.apple.iokit.IOFireWireFamily          4.4.8
    com.apple.iokit.IOAHCIFamily          2.0.8
    com.apple.iokit.IOUSBFamily          5.1.0
    com.apple.driver.AppleEFIRuntime          1.6.1
    com.apple.iokit.IOHIDFamily          1.7.1
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.security.sandbox          177.8
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.driver.DiskImages          331.7
    com.apple.iokit.IOStorageFamily          1.7.2
    com.apple.driver.AppleKeyStore          28.18
    com.apple.driver.AppleACPIPlatform          1.5
    com.apple.iokit.IOPCIFamily          2.7
    com.apple.iokit.IOACPIFamily          1.4
    Model: iMac12,1, BootROM IM121.0047.B1F, 4 processors, Intel Core i5, 2.5 GHz, 4 GB, SMC 1.71f22
    Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe, 512 MB
    Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE, 0x45424A3231554538424655302D444A2D4620
    Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE, 0x45424A3231554538424655302D444A2D4620
    AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x9A), Atheros 9380: 4.0.67.5-P2P
    Bluetooth: Version 4.0.8f17, 2 service, 18 devices, 1 incoming serial ports
    Network Service: Wi-Fi, AirPort, en1
    Serial ATA Device: ST3500418AS, 500,11 GB
    Serial ATA Device: OPTIARC DVD RW AD-5690H
    USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x850b, 0xfa200000 / 3
    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2
    USB Device: BRCM2046 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 4
    USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215, 0xfa111000 / 5
    USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
    USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 4
    USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0xfd110000 / 3[/quote]
    Can anyone explain me what it was?

    Why would you want a start button to stop something?
    Seriously, I would not routinely shut down your Mac. It is not necessary. Just set it to sleep in System Preferences > Energy Saver.
    When you are not using it, just walk away. Things will work better that way. Most of my Macs don't get shut down except while restarting them for software updates. This might be once every couple of months.

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