scrutinizer82
Level 1 (43 points)
Mac OS X

Q: What is the most effective way to reinstall OS Mavericks from scratch?

...if I want to reinstall from the bootable DVD I made (from Mavericks Installer that I downloaded some time month ago). I'm tired of numerous problems plugging my system recently. Slowdowns, especially concerning iWork and iLife, so I decided to return to Day 1. Will I be able then update to 10.9.5? I don't even mind losing some of my data as performance is more important for me. I know there're several ways to accomplish the task, what would be your suggestions?

 

Any support would earn my gratitude,

 

Kindest regards,

 

I.S.

OS X Mavericks (10.9.5), MacBook Pro 15.4 " mid-2012

Posted on Jan 31, 2015 3:48 PM

by keg55,Solvedanswer
keg55 keg55
Level 6 (8,514 points)
Mac OS X
A:

When you boot off your DVD you will get the OS X Utilities menu with the 4 options of which Disk Utility and Reinstall OS X are 2 of.

 

If you made your DVD correctly, it's like using a USB thumb drive and the Option key at Startup to select the USB thumb drive. With a CD/DVD drive one only has to press the C key to boot from that device ONLY instead of selecting what to boot from.

 

Try it so you see what I'm talking about. Insert your DVD, restart and at the black screen press/hold the C key. You should hear your CD/DVD drive start and your Mac should boot off it and to the OS X Utilities menu screen.

Posted on Feb 1, 2015 8:45 AM

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Q: What is the most effective way to reinstall OS Mavericks from scratch?

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  • by scrutinizer82,

    scrutinizer82 scrutinizer82 Feb 2, 2015 2:05 AM in response to Drew Reece
    Level 1 (43 points)
    Mac OS X
    Feb 2, 2015 2:05 AM in response to Drew Reece

    Hi, Drew Reece. Could you elaborate more on this? I'm not sure I got you :-) It now says

     

    Pass 1 of 7. Estimated time 4 days 13 hours. does it mean I have to wait for god knows how many days if just 1 pass is 4 days? There is a button Skip. Is it for purpose for skipping these passes?

     

    Kindest regards,

     

    I.S.

  • by Drew Reece,

    Drew Reece Drew Reece Feb 2, 2015 2:27 AM in response to scrutinizer82
    Level 5 (7,753 points)
    Notebooks
    Feb 2, 2015 2:27 AM in response to scrutinizer82

    I think the time is for all passes, otherwise it is 31.5 days

    It can take eons to secure erase TB disks.  How large is it? Is it a SSD?

    I can't remember if skip stops the current pass, it may drop into the reformat task.

     

    Do you really need secure erase?

    A normal format should be quick, a zero would be several hours.

     

    This should help

    disk utility 7 pass erase

  • by scrutinizer82,

    scrutinizer82 scrutinizer82 Feb 2, 2015 3:19 AM in response to Drew Reece
    Level 1 (43 points)
    Mac OS X
    Feb 2, 2015 3:19 AM in response to Drew Reece
    How large is it? Is it a SSD?

     

    500 GB HDD. Initially I just wanted to be sure all of staff would be erased completely. I like clean pants.:-D

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