How do I perform system maintenance on my iMac (Yosemite)?

I would like to know how to keep my Mac clean and healthy.  And I'm also trying to help out my sister who is having trouble with her iMac (Yosemite) that is sick.  Any ideas or suggestions would be greatly appreciated!

The best way to keep a Mac clean and healthy is to not install applications that claim to clean it or make it healthy. It has built in maintenance routines that run automatically and installing 3rd party cleaning etc. utilities is one of the biggest source of problems. The following has some information that may be of interest: http://www.reedcorner.net/the-myth-of-the-dirty-mac/
Regarding the trouble with your sister's Mac, it would be a good idea to start a thread with something specific in the title about what problem(s) it is having.  The following also may help: http://www.thesafemac.com/mpg/

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  • HT1338 how do you perform a clean install for imac

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    Here are the technical requirements for Snow Leopard:
    http://support.apple.com/kb/sp575
    If your iMac meets the requirements, then you will have to purchase the Snow Leopard disk from apple:
    http://store.apple.com/us/product/MC573/mac-os-x-106-snow-leopard
    To reinstall your OS, insert the original OS disk that came with your iMac and start up the iMac holding the C key.  Start the installation process and when you see the menu bar, select 'Utilities'. From the drop down menu, select Disk Utility.  Erase the HDD and the continue the installation.
    Note that this will erase all data on the HDD so have it backed up before you start.
    Ciao.

  • How can i perform system image recovery in windows 8.1 hp pavilion g6

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    When requesting assistance, please provide the complete model name and product number of the HP computer in question. HP/Compaq makes thousands of models of computers. Without this information it may be difficult or impossible to assist you in resolving your issue.
    The above requested information can be found on the bottom of the computer, inside the battery compartment, or on the BIOS startup/setup screen. Please do not include the serial number. Please enter the model/product information into HP's Online Consumer Support page and post it here for our review.
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    If you have any further questions, please don't hesitate to ask.
    Please click the white KUDOS star to show your appreciation
    Frank
    {------------ Please click the "White Kudos" Thumbs Up to say THANKS for helping.
    Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
    This is a user supported forum. I am a volunteer and I don't work for HP.
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  • How can I perform system memory test

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    R

  • :*** ONLINE HELP - PERFORM SYSTEM MAINTENANCE! - ...

    Can anyone advise if this is a genuine call - it is automated

    This is a well known scamming and phishing attempt.
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    http://community.skype.com/t5/Windows/Does-anyone-know-what-quot-sys-help-bn3-quot-is/m-p/967658#M71...
    you may also block and report the scammers.
    https://support.skype.com/en/faq/FA10488/how-do-i-block-or-report-a-contact
    Regards,
    Tamim
    Location - Dhaka | Bangladesh - Standard Time Zone: GMT/UTC + 06:00 hour
    If one of my replies has adequately addressed your issue, please click on the “Accept as Solution” button. If you found a post useful then please "Give Kudos" at the bottom of my post, so that this information can benefit others.

  • 'URGENT - PERFORM SYSTEM MAINTENANCE!" and other s...

    Mostly on my stand alone Skype Phones hillips Voip8411 and Netgear SPH101 
    I have checked the receieve calls from contacts only and these calls still come through. Skype has a great product, but these annoyance spam calls are making it unusable.
    Is Skype doing anything to stop this?

    og77 wrote:
    Is Skype doing anything to stop this?
    We block them each time they appear.
    TIME ZONE - US EASTERN. LOCATION - PHILADELPHIA, PA, USA.
    I recommend that you always run the latest Skype version: Windows & Mac
    If my advice helped to fix your issue please mark it as a solution to help others.
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  • "Online Help - Performance System Maintenance! (ss...

    This keeps asking me to accept as a friend. Is this a legitimate Skype request?

    It's a well known and well documented SCAM.
    IGNORE.
    TIME ZONE - US EASTERN. LOCATION - PHILADELPHIA, PA, USA.
    I recommend that you always run the latest Skype version: Windows & Mac
    If my advice helped to fix your issue please mark it as a solution to help others.
    Please note that I generally don't respond to unsolicited Private Messages. Thank you.

  • Virus Call "Online help - Perform System Maintenan...

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    This is a known scamming.
    To avoid receiving any Calls like this, you can adjust your privacy to, Change Allow Calls from... "anyone" to "people on my Contact list only".
    http://community.skype.com/t5/Windows/Does-anyone-know-what-quot-sys-help-bn3-quot-is/m-p/967658#M71...
    You may also block and report the scammers.
    https://support.skype.com/en/faq/FA10488/how-do-i-block-or-report-a-contact
    Regards,
    Tamim
    Location - Dhaka | Bangladesh - Standard Time Zone: GMT/UTC + 06:00 hour
    If one of my replies has adequately addressed your issue, please click on the “Accept as Solution” button. If you found a post useful then please "Give Kudos" at the bottom of my post, so that this information can benefit others.

  • Re:  System maintenance in SAP each module

    Dear consultant,
    I need some information from Business process consultant.   How do maintain the system maintenance for SAP each module? 
    We have maintained the system in SAP system.  Please reply me.
    Regards,
    Krishnna.

    Ámit Güjärgoüd wrote:
    >
    > Rolling On The Floor Laughing My Apple Off ?
    >
    LOL
    Click to see what it is!
    prashanth kishan wrote:
    > > Rolling On The Floor Laughing My Adam's-Apple Off
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  • How do you perform a full system restore for the hp officejet 6500

    Basically, after having this printer for 1 year, the wireless printing started to not work correctly. After buying a laptop and trying to configure the printer with it, the printer started to have problems with wireless printing. So how do you perform a FULL factory reset? I already tried hitting #9 while the printer was turning on but it only seemed to partially reset the system. It did not turn it back to the day i bought the printer.

    OK, so it turns out it was the 'only show synced content' tick box.
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    I then upgraded to ATV v3.0.1 again today and that's when my problems came back - all my content magically reappeared on the Apple TV (or so I thought).
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  • How do I perform a system restore in Windows 10?

    QuestionHow do I perform a system restore in Windows 10?
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    On the other hand you make me thing about someone who wants to clone machines and then a Flash Archive can also be an option. Please keep in mind to ask the question in the future instead of conformation of your answer ;-)

  • How to perform system copy using standard sap method (sapinst)

    Hi guys
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  • How do I perform maintenance  on my iMac SSD Drive so I can extend it's life

    I recently purchased a Mid 2011 27" 3.4GHZ i7 /16GB Memory iMac and would like to know how do I perform maintenance  on my iMac SSD Drive so I can extend it's life, Does apple now support Trimm or is there some thing else I need to do? Defrag?  I do not store anything thing but OS and APPS on the drive
    thanks

    There is nothing you need to do to the SSD. Do not attempt to defrag an SSD as there is no need and uses the device excessively. TRIM is supported only if the SSD is an Apple device so if you reformat the SSD there's no need to Zero Data for garbage collection.

  • Can anyone help with a good system maintenance tool for ML

    Does any one have any suggestions for a good dependable all-in-one system maintenance tool for ML and is it straight forward and easy to use?
    Thanks in advance .....

    You really have no need for one. That said:
    Kappy's Personal Suggestions for OS X Maintenance
    For disk repairs use Disk Utility.  For situations DU cannot handle the best third-party utilities are: 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. Drive Genius provides additional tools not found in Disk Warrior.  Versions 1.5.1 and later are Intel Mac compatible.
    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 you are using a pre-Leopard version of OS X, 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, Lion, or Mountain Lion 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. As for virus protection there are few if any such animals affecting OS X. You can protect the computer easily using the freeware Open Source virus protection software ClamXAV. Personally I would avoid most commercial anti-virus software because of their potential for causing problems. For more about malware see Macintosh Virus Guide.
    I would also recommend downloading a utility such as TinkerTool System, OnyX 2.4.3, or Cocktail 5.1.1 that you can use for periodic maintenance such as removing old log files and archives, clearing caches, etc.
    For emergency 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. (There is no confirmation that this version also works with Lion or later.)
    When you install any new system software or updates be sure to repair the hard drive and permissions beforehand. I also recommend booting into safe mode before doing system software updates.
    Get an external Firewire 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. Data Backup
      3. Deja Vu
      4. SuperDuper!
      5. SyncTwoFolders
      6. Synk Pro
      7. Synk Standard
      8. Tri-Backup
    Visit The XLab FAQs and read the FAQs on maintenance, optimization, virus protection, and backup and restore.
    Always have a current backup before performing any system updates or upgrades.
    Additional suggestions will be found in
       1. Mac Maintenance Quick Assist,
       2. Mac OS X speed FAQ,
      3. Speeding up Macs,
      4. Macintosh OS X Routine Maintenance,
      5. Essential Mac Maintenance: Get set up,
      6. Essential Mac Maintenance: Rev up your routines,
      7. Maintaining OS X, 
      8. Five Mac maintenance myths,
      9. How to Speed up Macs, and
    10. Myths of required versus not required maintenance for Mac OS X.
    Referenced software can be found at CNet Downloads or MacUpdate.
    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 or 20 GBs, whichever is greater, as free space.

  • What is the best system maintenance software to use for a MBP??

    Hello everyone, I was formerly using Mac Tune-up for my Macbook Pro and it did an okay job but I am not sure what Mac software I should be using to keep my system clean while keeping it running at optimal performance. Turns-out I can no longer use Mac Tune-Up since I upgraded to Mavericks from Snow Leopard. Can anyone recommend to me the best system maintenance software to use for my MBP with Mavericks OS and where I can get it (a link or site URL)?  Thanks in advance!

    How to maintain a Mac
    1. Make two or more backups of all your files, keeping at least one off site at all times in case of disaster. One backup is not enough to be safe. Don’t back up your backups; all should be made directly from the original data. Don’t rely completely on any single backup method, such as Time Machine. If you get an indication that a backup has failed, don't ignore it.
    2. Keep your software up to date. In the App Store or Software Update preference pane (depending on the OS version), you can configure automatic notifications of updates to OS X and other Mac App Store products. Some third-party applications from other sources have a similar feature, if you don’t mind letting them phone home. Otherwise you have to check yourself on a regular basis.
    Keeping up to date is especially important for complex software that modifies the operating system, such as device drivers. Before installing any Apple update, you must check that all such modifications that you use are compatible. Incompatibility with third-party software is by far the most common cause of trouble with system updates.
    3. Don't install crapware, such as “themes,” "haxies," “add-ons,” “toolbars,” “enhancers," “optimizers,” “accelerators,” "boosters," “extenders,” “cleaners,” "doctors," "tune-ups," “defragmenters,” “firewalls,” "barriers," “guardians,” “defenders,” “protectors,” most “plugins,” commercial "virus scanners,” "disk tools," or "utilities." With very few exceptions, such stuff is useless or worse than useless. Above all, avoid any software that purports to change the look and feel of the user interface.
    It's not much of an exaggeration to say that the whole "utility" software industry for the Mac is a fraud on consumers. The most extreme examples are the "CleanMyMac" and “MacKeeper” scams, but there are many others.
    As a rule, the only software you should install is that which directly enables you to do the things you use a computer for, and doesn't change the way other software works.
    Safari extensions, and perhaps the equivalent for other web browsers, are a partial exception to the above rule. Most are safe, and they're easy to get rid of if they don't work. Some may cause the browser to crash or otherwise malfunction.  Some are malicious. Use with caution, and install only well-known extensions from relatively trustworthy sources, such as the Safari Extensions Gallery.
    Never install any third-party software unless you know how to uninstall it. Otherwise you may create problems that are very hard to solve. Do not rely on "utilities" such as "AppCleaner" and the like that purport to remove software.
    4. Don't install bad, conflicting, or unnecessary fonts. Whenever you install new fonts, use the validation feature of the built-in Font Book application to make sure the fonts aren't defective and don't conflict with each other or with others that you already have. See the built-in help and this support article for instructions. Deactivate or remove fonts that you don't really need to speed up application launching.
    5. Avoid malware. Malware is malicious software that circulates on the Internet. This kind of attack on OS X was once so rare that it was hardly a concern, but malware is now increasingly common, and increasingly dangerous.
    There is some built-in protection against downloading malware, but you can’t rely on it—the attackers are always at least one day ahead of the defense. You can’t rely on third-party protection either. What you can rely on is common-sense awareness—not paranoia, which only makes you more vulnerable.
    Never install software from an untrustworthy or unknown source. If in doubt, do some research. Any website that prompts you to install a “codec” or “plugin” that comes from the same site, or an unknown site, is untrustworthy. Software with a corporate brand, such as Adobe Flash Player, must come directly from the developer's website. No intermediary is acceptable, and don’t trust links unless you know how to parse them. Any file that is automatically downloaded from the web, without your having requested it, should go straight into the Trash. A web page that tells you that your computer has a “virus,” or that anything else is wrong with it, is a scam.
    In OS X 10.7.5 or later, downloaded applications and Installer packages that have not been digitally signed by a developer registered with Apple are blocked from loading by default. The block can be overridden, but think carefully before you do so.
    Because of recurring security issues in Java, it’s best to disable it in your web browsers, if it’s installed. Few websites have Java content nowadays, so you won’t be missing much. This action is mandatory if you’re running any version of OS X older than 10.6.8 with the latest Java update. Note: Java has nothing to do with JavaScript, despite the similar names. Don't install Java unless you're sure you need it. Most people don't.
    6. Don't fill up your disk/SSD. A common mistake is adding more and more large files to your home folder until you start to get warnings that you're out of space, which may be followed in short order by a startup failure. This is more prone to happen on the newer Macs that come with an internal SSD instead of the traditional hard drive. The drive can be very nearly full before you become aware of the problem.
    While it's not true that you should or must keep any particular percentage of space free, you should monitor your storage use and make sure you're not in immediate danger of using it up. According to Apple documentation, you need at least 9 GB of free space on the startup volume for normal operation.
    If storage space is running low, use a tool such as OmniDiskSweeper to explore the volume and find out what's taking up the most space. Move seldom-used large files to secondary storage.
    7. Relax, don’t do it. Besides the above, no routine maintenance is necessary or beneficial for the vast majority of users; specifically not “cleaning caches,” “zapping the PRAM,” "resetting the SMC," “rebuilding the directory,” "defragmenting the drive," “running periodic scripts,” “dumping logs,” "deleting temp files," “scanning for viruses,” "purging memory," "checking for bad blocks," "testing the hardware," or “repairing permissions.” Such measures are either completely pointless or are useful only for solving problems, not for prevention.
    To use a Mac effectively, you have to free yourself from the Windows mindset that every computer needs regular downtime maintenance such as "defragging" and "registry cleaning." Those concepts do not apply to the Mac platform. A well-made computing device is not something you should have to think about much. It should be an almost transparent medium through which you communicate, work, and play. If you want a machine that needs a lot of attention, use a PC.
    The very height of futility is running an expensive third-party application called “Disk Warrior” when nothing is wrong, or even when something is wrong and you have backups, which you must have. Disk Warrior is a data-salvage tool, not a maintenance tool, and you will never need it if your backups are adequate. Don’t waste money on it or anything like it.

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