Install Mac OS X 10.5 Leopard via USB on PowerPC Macs

Author: LOLZpersonok
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15m 35s Lenght
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This is a video tutorial that explains how it is possible to install Mac OS X 10.5 on supported PowerPC Macintoshes using a USB thumb drive. This should work on any supported Macintosh. I don't know if you can install 10.4 or older this way, but it's worth a shot. I should also mention that I installed Mac OS X 10.5 on an 867MHz PowerBook G4 in this very same manner. YOU NEED A USB THUMB DRIVE THAT IS AT LEAST 8GB. THE SECOND PARTITION I SHOW IN THE VIDEO IS NOT NECESSARY. Please note that this may not work on all machines, especially some of the older G3 Macintoshes. If you try it and it doesn't work, make sure your drive is formatted correctly, make sure your OS X 10.5 disk image file is about 7.3GB in size and make sure that you followed all instructions correctly. Ensure that your disk image file is not corrupted, and ensure the drive can be read by other computers, and make sure that your Mac's USB ports are working. When pressing Option while booting, it may take some time for the drive to be seen. If none of that works, check through the following links, as well as the Open Firmware command down below. If all that still fails, your system may not want to boot to the USB device, and I unfortunately cannot offer much other help. If this tutorial doesn't work for you, you can try these links, or this method from Appleontheapex. It would be best to follow the first link before the second link as it describes how to prepare a USB to install Mac OS X. Note that a USB thumb can be prepared in this manner using Mac OS X 10.4, and possibly 10.3. If you're doing it on a USB 1.1 Macintosh it will take a long time to prepare. Do this if the method I described in the video doesn't work for you. Preparing the thumb drive: http://gwhiz.wordpress.com/2006/09/21/installing-leopard-from-dmg/ Installing Leopard: http://lifedigital2010.wordpress.com/2011/04/03/how-to-install-mac-osx-from-usb-on-powerbook-g4/ @Appleontheapex: "Pressing "Option" does not work on some older PPC Macs, such as G3 PowerMacs. I was able to get that menu on my G5, but the USB was not detected. I suspect that my image of OSX was a bit wonky. I was able to boot from the USB by booting in to Open Firmware mode (CTRL+OPTION+O+F), and then entering: Boot ud:,11:tbxi. This worked eventually." It must be typed EXACTLY as you see it for it to work.

Comments

  1. I wanna change the password from a mac power pc tour G5 and am not the admin, I can just log as a inviter so how cant i do it? thanks
  2. The USB will not show no matter what I do. I have the exact same PowerMac G4 MDD 2x 1ghz as you
  3. Awesome... Apple is so f'n backwards.. I bought Lion so I could refresh an Imac 5.2 for a friend and then i ran into the bs of need a new os then the 10.5.4 version on it just to download the installer.. holly.. this saved my sanity as then how to get the USB prepared once I got my hands on a version of Lion from the ever so sharing internet. so thanks.. this worked perfectly... oh. yeah.. when I bought the Lion Apple said it would take 2 business days to delivery .. .. WTF to deliver an electronically delivery ISO from .. holly.. again this video saved my sanity LOL
  4. filha da puta
  5. Great Video, i did this with a 3.0 usb drive and man is it slow. I keep thinking it was frozen. lol Thanks for the vid...
  6. i have a PC
  7. Can you give me the 10.5 leopard dmg? Can't find it anywhere (I DON'T WANT TORRENTS)
  8. I get up to the point when you boot while holding down the option key, but my drive one appears when I unplug the usb drive. Ideas?
  9. Thank you I have two heroes Tessler and now you
  10. I tried this on a PowerPC G5 with Leopard 10.5.4 but it couldn't see the USB drive at boot up. I tested it on a newer Mac and it could see it so your tutorial is spot on. Thanks!
  11. I absolutely cannot get the drive to show up on my eMac. The drive is a 8 GB Lexar, I prepared it as you said, and it just doesn't show up.
  12. In the description it says: press ctrl+option+O+F, shouldn't this be CMD+option+O+F?
  13. I booted the USB on an IMac G4 700MHz with 768MB ram, it boots and says "OS X cannot be installed on this computer" before the installer even launches.. Ideas?
  14. I cant get it to work I have 10.3.8 installed
  15. Can you make a new tutorial for El Capitan users because the layout is very different and I can't downgrade to Mavericks to get the old layout back because my Mac is from early 2015.
  16. Please can i get a link to download the Mac os x 10.5?
  17. Thanks for this, worked a treat. USB showed up, clicked it, got the Apple logo appear with spinning circle, after a few minutes screen goes black and has stayed like that for the last half hour or so. Machine sounds like it's doing something but nothing on screen, just black. Is this USB 1.1 slow or have I knackered my Mac?
  18. Could you make a video for how to install OS X ONTO a flash drive? I've been searching the internet forever with no results. My internal hard drive is nonexistent, so I'm wanting to install os x onto a flash drive. Thanks :)
  19. will this work on a power mac G4 450Mhz sawtooth? i've got the folder with a question mark when I boot up
  20. Your more of a hac then a hacker!