Reinstall OS X without erasing the drive
Mac OS X System & Mac Software. Getting 'Error loading Operating System'. 'Error loading operating system'.
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard 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.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.
May 9, 2015 4:45 PM
Mac OS X is a great operating system but not all of people can “have a taste of it” because it only works on mac based computers which are built by Apple. Today you can install it on you PC using Oracle VirtualBox to give it a try.
NOTE: This process only works with Intel processor.
Requirments :
64 bit operating system,
At least 4 gb of Ram (more is better),
Intel Dual core processor or better,
10 gb or more unused hard disk space.
What You’ll Need:
1. Download and install Oracle VM VirtualBox plus latest extension pack.
2. Niresh Mavericks Distro ISO file.
Niresh Installation:
1. Open VirtualBox and click on New to create a new virtual machine.
2. Name your virtual machine, select OS X as Type and Mac OS X (64 bit) as Version as shown:
3. Allocate 2GB or more of ram.
4. Select Create a New Hard Drive now ->VDI -> Dynamically Allocated and then allocate more than 40GB of virtual hard drive space, and click on Create.
5. Select the machine and click on Settings:
6. Navigate to System on the left pane and under Motherboard tab Uncheck enable EFI.
7. Then under Storage select empty disk icon and on the right side click little disk icon button to browse and select the downloaded niresh iso file.
8. Start your VM and after the boot menu appears select niresh distro by pressing enter.
9. Select your language and click next, then select Disk Utility… under Utilities tab.
10. Select your disk, navigate to Erase tab, here name your disk, select Mac OS Extended (Journaled) from the format drop-down, and click Erase button.
11. Then Exit (X) disk utility, select your new disk and click Customize.
12. Uncheck GraphicEnabler=Yes and Network Drivers then click OK and install.
13. After it’s done installing Niresh’s Mavericks you will get a black screen, press little disk button and eject OSX-Mavericks.iso and restart your machine.
14. Your machine will re-boot, just follow the easy setup screen.
15. Click continue to finish the setup.
Mazel tov budapest. 16. Once you finished you’ll boot to desktop running OS X.
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