How do I reinstall Mac OS from external hard drive?

How do I reinstall Mac OS from external hard drive?

Start your computer with the external drive connected to your computer. Hold down the “Option” key while your Mac boots. Holding down the Option key provides you with a list of bootable drives. Select the external drive you used to create the install image and then wait for your Mac to boot to the hard disk.

How do I wipe my LG G3 imac?

With the CD in the drive, restart or boot, then press the C key and keep it held down until you know the machine has started to boot to the CD. Alternatively (and this may not work with a G3 – depends on firmware), restart or boot, immediately press the Option key (Alt on a PC keyboard)m keep it held down.

What are macOS versions?

Releases

When did Mac OS 8 release?

July 26, 1997
Mac OS 8/Initial release dates

How to install OS 10.3 on iMac G3?

Just install 10.3 as an upgrade – your OS9 and files will be retained and you can boot into either OS via the Startup Disk preference. Just install 10.3 as an upgrade – your OS9 and files will be retained and you can boot into either OS via the Startup Disk preference.

What’s the best way to install Mac OS 9?

Step one is to acquire a Mac OS 9.2.1 Universal Install CD (White CD with Orange 9) from eBay for about $30 to $40. This retail CD is not Mac specific and will work on dozens of models, hence the “universal” reference. Install the CD and reboot.

Is there a way to reboot Mac OS 9?

Install the CD and reboot. Optionally, you can now install the 9.2.2 patch (mentioned above). At this point, it is a good idea to archive the entire fresh install of the Applications (Mac OS 9), Documents, and System folders by copying these folders from the root to a new backup sub folder.

Is it possible to install OS 9 off CD?

To recap, you can drag the original OS 9 installed folders from the subfolder you created to the root of a freshly formatted partition without the need to ever install off CD again.