Updating mac os 10 1 5 to 10 3
These days I prefer to simply clone my healthy, problem-free boot hard drive onto a freshly-erased internal hard drive, removing the original hard drive intact (and storing it away as my system back up).This allows me to work off the clone and have a trustworthy boot drive I can swap out and get back to work in five minutes if necessary.
Be sure to back up all critical MAIL folders, DOCUMENT folders, FINANCIAL data files, i PHOTO and i TUNES folders and PREFERENCE files.Starting with 10.2 Jaguar, Mac OS X features a "Safe Boot/Safe Mode." Safe Booting -- rebooting from a complete Shut Down with Shift key down -- forces a directory check of the boot volume and loads only required kernel extensions and Apple start-up items.Shut Down Mac completely, Restart your Mac in single-user mode (after pressing power on button, immediately press and hold down the Command and S keys until white text begins to scroll on black screen.WARNING TO THE BRAVE SOULS UPGRADING TO APPLE'S NEW 10.10.0 YOSEMITE OR ANY NEW "BLEEDING-EDGE" OPERATING SYSTEM APP OR HARDWARE...There are good reasons professionals and experienced users avoid brand new Operating Systems and .0 upgrades, but if you must be on "The Bleeding Edge" consider my free advice for what it may be worth to you: Tips for backing up, buying, installing, creating an install DVD, reverting back to what works....It has been widely stated on the internet and Apple forums there are no known computer viruses for the Mac OSX operating system so worrying about getting a virus is probably needless worry for most of us search Google for more facts and information about Mac viruses, Trojans, prevention.
What we do need to watchout for is passing infected files that we download or receive in emails over to Windows users where they can do serious damage.
Apple provides a "Time Machine.app" (Apple's popular backup and restore application).
Here is Apple's official Knowledge Base article HT1427: "Learn how to set up Time Machine to perform backups, how to restore items (or your entire system) from a backup, how to use existing backups on a new Mac, and more."SECOND, be sure you have a lot of free unused disk space on your hard drives (a minimum 30 percent of free unused, unfragmented space is recommended) a hard drive that fills up and turns flaky is nearly impossible (for me) to get back to normal without Erasing reformatting.
In a few more seconds, the Unix command line prompt ending in (:/ root#).
If Apple's REPAIR DISK and FSCK-Y cannot repair the problem, we need to try third-party DISK UTILITIES like Disk Warrior
CORRUPTION | BACKUP | FREE UNUSED SPACE | DEFRAG | VIRUSES | SPARE USER ACCOUNT | PREFERENCES | SAFE BOOT | DISK UTILITY REPAIR PERMISSIONS | DISK UTILITY REPAIR DISK | DISK WARRIOR | MAC CLEANER APPS (Slow Mac) | FSCK | CRON SCRIPTS | COMBO UPDATES | FAQ-TIPS | TIME MACHINE-CLONING | STARTING OVER | NEW TO MAC LINKSWhen Mac a computer starts running slow or acting flaky unstable, crashing, freezing or generally misbehaving it's a corruption issue 98 percent of the time (unless we've recently done something to it, and there is 98 percent of our clue).