How to use Disk Utility to partition Hard Disk / Solid State Disk Drive on Mac

Macintosh OSX Disk Utility

 

As Wikipedia Says: Disk Utility is a system utility for performing disk and disk volume-related tasks on the OS X operating system by Apple Inc.

 
Day to day functions supported by Disk Utility are:

 

  • Creation, conversion, backup, compression and encryption of logical volume images from a wide range of formats read by Disk Utility to .dmg or, for CD/DVD images, .cdr
  • Mounting, unmounting and ejecting external disk volumes
  • Enabling or disabling journaling
  • Verifying a disk’s integrity, and repairing it if the disk is damaged
  • Erasing, formatting, partitioning and cloning disks
  • Secure deletion of free space or disk using a “zero out” data, a 7-pass DOD 5220-22 M standard, or a 35-pass Gutmann algorithm
  • Adding or changing partition table between Apple Partition Table, GUID Partition Table and master boot record (MBR)
  • Restoring volumes from Apple Software Restore (ASR) images
  • Checking the S.M.A.R.T. status of a hard disk
  • Disk Utility functions may also be accessed from the OS X command line with the diskutil and hdiutil commands.

 
Now will learn how to partition disk,

 

Important Note:

  • Partitioning a disk erases all the data previously stored on it
  • By using partition feature of disk utility it divides disk into sections called ‘partitions’ which appear on the desktop as separate disks.

 

Precaution: Before moving forward backup all your computer data using Time Machine on different hard drive other than that you are currently partitioning.

 
Here is how to Partition a disk

 
Step 01: Connect External Disk to your Mac using USB / FireWire cable for purpose partitioning it

 
Step 02: Locate ‘Disk Utility App in Applications > Utilities

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Here is how to calibrate & maximise your Mac, Apple Watch, iPhone, iPad or iPod touch battery life & performance

Introduction:

 
What is Battery life?

 
Battery life is the amount of time your device runs before it needs to be recharged.

 
What is Battery lifespan?

 
Battery lifespan is the amount of time your battery lasts until it needs to be replaced.

 

General Performance Tips & Solutions

 

  • Update your Apple device to the latest software updates & operating system:
  • Apple software updates often include advanced energy-saving technologies, so always make sure your device is running with the latest version of iOS, OS X, or watchOS.

     

  • Avoid extreme ambient temperatures: Your device is designed to perform well in a wide range of ambient temperatures, with 62° to 72° F (16° to 22° C) as the ideal comfort zone. Avoid exposing your device to ambient temperatures higher than 95° F (35° C), which can permanently damage battery capacity.
  •  
    Apple Device iPhone iPad iPod touch Temprature Comfort Zone

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Apple Safari running slow, unable / can’t open pages here is how to fix this

If you are on your favourite Macintosh Computer using latest OSX Operating System 10.10 or 10.11 or greater & you are getting the feeling you Apple Safari web browser running slow or hanging for that matter from time to time.

 
Here are few steps that you can follow to fix your slow Safari Web browser.

 

First thing first: Close Safari & see it is not running in background

 

Step 01:

 
Check you have adequate free disk space on your ‘Macintosh HD’, Delete un necessary & not required data from your user folder & free up some disk space.

 
Macintosh HD Disk Utility Applications Maintainance

 

Step 02:

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How to change or upgrade time machine backup hard disk without loosing your old backups, In simple words how to transfer Apple Macintosh OSX Time Machine backups from a current backup drive to a new high storage capacity backup drive

Here is how to transfer backups from a current backup drive to a new high capacity backup drive

 
i.e. Here by learn how to transfer your existing Time Machine backups to a new drive in five simple steps.

 

Step 01: First check the format of your new backup drive

  1. Connect your new backup drive to your Mac.
  2. Open Disk Utility (located in the Utilities folder).
  3. In Disk Utility, select the new drive’s icon to make sure it has a GUID partition and is formatted as Mac OS Extended (Journaled). Reformat it with option Mac OSX Extended (Journaled) with a GUID partition. At this stage you can format your new backup drive with Mac OSX Extended (Journaled, Encrypted) to password protect your backup drive & there by safe guard your data. Remember & write down what encryption password you set this time for your drive.

 

Step 02: Set permissions on your new backup drive

  1. Open a new Finder window > in sidebar of your Finder window > click the icon of the new backup drive.
  2. Choose Get Info from the File menu.
  3. Make sure “Ignore ownership on this volume” at the bottom of the “Sharing & Permissions” section of the Get Info window is deselected (unchecked).

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What is Trust this Computer functionality means & what if you accidentally tapped on Don’t Trust this Computer & you want to reset it

What is trust settings means to your iOS & OSX device

 
Background: When you connect your iPhone, iPad, or iPod touch to a computer first time an alert asks whether you want to trust this computer or not.

 
Relationships of Trusted Devices:

  1. Trusted computers can sync with your iOS device, create backups, and access your device’s photos, videos, contacts, and other content.
  2. These computers remain trusted until you change device privacy settings or erase your iOS device.
  3. If you choose not to trust a computer, you block its access to content on your device. You’ll see the trust alert every time that you connect your iOS device to that computer.

 
ios9-trust-this-computer-alert-message

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How to open an Apple Mac OSX app from an unidentified developer using Finder App or using ‘Open anyway’ functionality in your System Preferences’ Security & Privacy Settings

If you are like mine using safe Macintosh’s OSX default settings to allow system to run & open app only from Third Party Identified OSX App Developers.

 
You may face problem something like this your Mac’s Security & Privacy preferences will not allow you to open app from Unidentified OSX App Developer.

 
If you navigate to System Preferences > Security & Privacy > General tab you will see something like this:

 
System-Preferances-Security-and-Privacy-open-anyway

 
So how you will open that particular app that has been blocked by Security & Privacy Settings

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How to fix Apple MacBook, MacBook Air, MacBook Pro, iPhone, iPad and iPod touch battery issue where battery status shows charging for long time & it never completes to 100% Charged

From time to time with long use of your Apple devices you may face issue like you may be charging your Apple MacBook, MacBook Air, MacBook Pro, iPhone, iPad and iPod touch for long time but battery charging never completes and display battery 100% Charged and it keep charging indefinitely.

 
So how to fix this?

 
Solution is simple…!!!

 
Assumption: I assume that you are using your Apple device without power cord attached & you have already backup your device using Time Machine for Macintosh & iTunes for iPhone, iPad and iPod touch.

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